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Gases (petroleum), straight-run naphtha catalytic reformer stabilizer overhead

A complex combination of hydrocarbons obtained by the catalytic reforming of straight-run naphtha and the fractionation of the total effluent. It consists of saturated aliphatic hydrocarbons having carbon numbers predominantly in the range of C2 through C4.

Help Substance identity

The ‘Substance identity’ section is calculated from substance identification information from all ECHA databases. The substance identifiers displayed in the InfoCard are the best available substance name, EC number, CAS number and/or the molecular and structural formulas.

Some substance identifiers may have been claimed confidential, or may not have been provided, and therefore not be displayed.

EC (European Community) Number

The EC Number is the numerical identifier for substances in the EC Inventory. The EC Inventory is a combination of three independent European lists of substances from the previous EU chemicals regulatory frameworks (EINECS, ELINCS and the NLP-list). More information about the EC Inventory can be found here.

If the substance was not covered by the EC Inventory, ECHA attributes a list number in the same format, starting with the numbers 6, 7, 8 or 9.

The EC or list number is the primary substance identifier used by ECHA.

CAS (Chemical Abstract Service) registry number

The CAS number is the substance numerical identifier assigned by the Chemical Abstracts Service, a division of the American Chemical Society, to substances registered in the CAS registry database. A substance identified primarily by an EC or list number may be linked with more than one CAS number, or with CAS numbers that have been deleted. More information about CAS and the CAS registry can be found here.

Molecular formula

The molecular formula identifies each type of element by its chemical symbol and identifies the number of atoms of each element found in one discrete molecule of the substance. This information is only displayed if the substance is well–defined, its identity is not claimed confidential and there is sufficient information available in ECHA’s databases for ECHA’s algorithms to generate a molecular structure.

Molecular structure

The molecular structure is based on structures generated from information available in ECHA’s databases. If generated, an InChI string will also be generated and made available for searching. This information is only displayed if the substance is well-defined, its identity is not claimed confidential and there is sufficient information available in ECHA’s databases for ECHA’s algorithms to generate a molecular structure.

More help available here.

EC / List no.: 273-270-2

CAS no.: 68955-34-0

Mol. formula:

formula
Help Hazard classification and labelling

The ‘Hazard classification and labelling’ section shows the hazards of a substance based on the standardised system of statements and pictograms established under the CLP (Classification Labelling and Packaging) Regulation. The CLP Regulation makes sure that the hazards presented by chemicals are clearly communicated to workers and consumers in the European Union. The CLP Regulation uses the UN Global Harmonised System (GHS) and European Union Specific Hazard Statements (EUH).

This section is based on three sources for information (harmonised classification and labelling (CLH), REACH registrations and CLP notifications). The source of the information is mentioned in the introductory sentence of the hazard statements. When information is available in all sources, the first two are displayed as a priority.

Please note:

The purpose of the information provided under this section is to highlight the substance hazardousness in a readable format. It does not represent a new labelling, classification or hazard statement, neither reflect other factors that affect the susceptibility of the effects described, such as duration of exposure or substance concentration (e.g. in case of consumer and professional uses). Other relevant information includes the following:

  • Substances may have impurities and additives that lead to different classifications. If at least one company has indicated that the substance classification is affected by impurities or additives, this will be indicated by an informative sentence. However, substance notifications in the InfoCard are aggregated independently of the impurities and additives.
  • Hazard statements were adapted to improve readability and may not correspond textually to the hazard statements codes description in the European Union Specific Hazard Statements (EUH) or the UN Global Harmonised System (GHS).

To see the full list of notified classifications and to get more information on impurities and additives relevant to classification please consult the C&L Inventory.

More information about Classification and Labelling is available in the Regulations section of ECHA website.

More help available here.

Harmonised classification and labelling (CLH)

Harmonised classification and labelling is a legally binding classification and labelling for a substance, agreed at European Community level. Harmonisation is based on the substance’s physical, toxicological and eco-toxicological hazard assessment.

The ‘Hazard classification’ and labelling section uses the signal word, pictogram(s) and hazard statements of the substance under the harmonised classification and labelling (CLH) as its primary source of information.

If the substance is covered by more than one CLH entry (e.g. disodium tetraborate EC no. 215–540–4, is covered by three harmonisations: 005–011–00–4; 005–011–01–1 and 005–011–02–9), CLH information cannot be displayed in the InfoCard as the difference between the CLH classifications requires manual interpretation or verification. If a substance is classified under multiple CLH entries, a link to the C&L Inventory is provided to allow users to view CLH information associated with the substance and no text is automatically generated for the InfoCard.

It is possible that a harmonisation is introduced through an amendment to the CLP Regulation. In that case, the ATP (Adaptation to Technical Progress) number is displayed.

More info on CLH can be found here.

Classification and labelling under REACH

If available, additional information on classification and labelling (C&L) is derived from REACH registration dossiers submitted by industry. This information has not been reviewed or verified by ECHA, and may change without prior notice. REACH registration dossiers have greater data requirements (such as supporting studies) than do notifications under CLP.

Notifications under the Classification Labelling and Packaging (CLP) Regulation

If no EU harmonised classification and labelling exists and the substance was not registered under REACH, information derived from classification and labelling (C&L) notifications to ECHA under CLP Regulation is displayed under this section. These notifications can be provided by manufacturers, importers and downstream users. ECHA maintains the C&L Inventory, but does not review or verify the accuracy of the information.

Note that for readability purposes, only the pictograms, signal words and hazard statements referred in more than 5% of the notifications under CLP are displayed.

GHS02: Flammable GHS04: Gas under Pressure GHS08: Serious Health Hazard

Danger! According to the harmonised classification and labelling (ATP01corr) approved by the European Union, this substance may cause genetic defects, may cause cancer and is an extremely flammable gas.

Help Properties of concern

The ‘Properties of concern’ section shows ECHA-assigned graphical indicators for certain substance properties that are regarded as being of relevance or importance to human health and/or the environment based on the information provided to the Agency.

Properties of concern are calculated at four "levels" of certainty:

  • "Recognised" - meaning that the concern is indicated in an official source; either a Harmonised C&L (CLP Regulation Annex VI) or in the Candidate list of substances of very high concern for authorisation (REACH). Recognised concerns are illustrated with a dark red icon.
  • "Potential" - again comes from official sources only. For (C), (M), and (R) it means that the concern is suspected in a Harmonised C&L (CLP Regulation Annex VI), as Carc. 2, Muta. 2, or Repr. 2. For (PBT) and (ED) Potential means that the concern is under assessment in the PBT or ED assessment list, and the outcome is not "Not PBT" or "Not ED". There are no potential (Ss) or (Sr)s. Potential concerns are illustrated with a light red icon.
  • "Broad agreement" - comes from data submitted by industry to ECHA, and indicates that the data submitted is aligned, with >= 50% of the data submitters providing the same concern. Broad agreement concerns are illustratated with a solid outlined circle icon.
  • "Minority position" - comes from data submitted by industry to ECHA, and indicates that the data submitted is not aligned. > 5% and < 50% of the data submitters have provided the concerns indicated at this "level". Minority position concerns are illustrated with a greyed out circle icon.

The following properties of concern are calculated:

  • Carcinogenic (C) – Recognised carcinogen: comes from a harmonised C&L classifying the substance as Carc. 1A or 1B and/or an entry in the Candidate list. Potential carcinogen: comes from a harmonised C&L classifying the substance as a suspected carcinogen Carc.2. Broad agreement: comes from industry data where a majority of data submitters agree the substance is carcinogenic. Minority position: comes from industry data where a minority of data submitters indicate the substance is carcinogenic. More information about carcinogenicity here.
  • Mutagenic (M) – Recognised mutagen: comes from a harmonised C&L classifying the substance as Muta. 1A or 1B and/or an entry in the Candidate list. Potential mutagen: comes from a harmonised C&L classifying the substance as a suspected mutagen Muta. 2. Broad agreement: comes from industry data where a majority of data submitters agree the substance is mutagenic. Minority position: comes from industry data where a minority of data submitters indicate the substance is mutagenic. More information about mutagenicity here.
  • Toxic to Reproduction (R) – Recognised as toxic to reproduction: comes from a harmonised C&L classifying the substance as Carc. 1A or 1B and/or an entry in the Candidate list. Potentially toxic to reproduction: comes from a harmonised C&L classifying the substance as suspected toxic to reproduction Repr. 2. Broad agreement: comes from industry data where a majority of data submitters agree the substance is toxic to reproduction. Minority position: comes from industry data where a minority of data submitters indicate the substance is toxic to reproduction. More information about reproductive toxicity here.
  • Skin sensitising (Ss) – Recognised skin sensitiser: comes from a harmonised C&L classifying the substance as Skin Sens. 1, 1A, or 1B. Broad agreement: comes from industry data where a majority of data submitters agree the substance is a skin sensitiser. Minority position: comes from industry data where a minority of data submitters indicate the substance is skin sensitising. More information about skin sensitiser here.
  • Respiratory sensitising (Sr) – Recognised respiratory sensitiser: comes from a harmonised C&L classifying the substance as Resp. Sens. 1, 1A, or 1B and/or an entry in the Candidate list. Broad agreement: comes from industry data where a majority of data submitters agree the substance is a respiratory sensitiser. Minority position: comes from industry data where a minority of data submitters indicate the substance is a respiratory sensitiser. More information about respiratory sensitiser here.
  • PBT – Recognised Persistent, bioaccumulative and toxic (PBT): comes from an entry in the Candidate list. Potential PBT: is shown for substances under assessment, and comes from an entry in the PBT assessment list, if the outcome is not final and “Not PBT”. Broad agreement: comes from industry data where a majority of data submitters agree the substance is PBT. Minority position: comes from industry data where a minority of data submitters indicate the substance is PBT. More information about persistent, bioaccumulative and toxic substances here.
  • ED – Recognised Endocrine Disruptor (ED): comes from an entry in the Candidate list. Potential ED: is shown for substances under assessment, and comes from an entry in the ED assessment list, if the outcome is not final and “Not ED”. At this time there is no explicit possibility for industry to indicate their opinion on ED status for substances. If and when this possibility exists it is proposed that industry data also be included in the ED property of concern calculation. More information about endocrine disrupting substances here.

The substance properties displayed in this section are derived from Harmonised classification and labelling (CLH) data, entries in the Candidate list of substances of very high concern for authorisation, the PBT assessment list, the ED assessment list, REACH registered dossier data and from notifications made under CLP. A prioritisation hierarchy means that data is taken from harmonised C&L data and regulatory lists first, then REACH registrations and finally from CLP notifications.

Impurities or additives: When a specific critical property is calculated from industry data and where the majority of data submitters have indicated that the property relates to cases containing impurities and/or additives, then the respective critical property icon is modified with an asterisk (*).

  • C

Carcinogenic

  • M

Mutagenic

about INFOCARD - Last updated: 03/07/2019 InfoCard

The InfoCard summarises the non-confidential data of a substance held in the databases of the European Chemicals Agency (ECHA). InfoCards are generated automatically based on the data available at the time of generation.

The quality and correctness of the information submitted to ECHA remains the responsibility of the data submitter. The type of uses and classifications may vary between different submissions to ECHA and for a full understanding it is recommended to consult the source data. Information on applicable regulatory frameworks is also automatically generated and may not be complete or up to date. It is the responsibility of the substance manufacturers and importers to consult official publications, e.g. the electronic edition of the Official Journal of the European Union.

InfoCards are updated when new information is available. The date of the last update corresponds to the publication date of the InfoCard and not necessarily to the date in which the update occurred in the source data.

More help available here.

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Key datasets

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Regulatory context

Here you can find all of the regulations and regulatory lists in which this substance appears, according to the data available to ECHA. This substance has been found in the following regulatory activities (directly, or inheriting the regulatory context of a parent substance):

REACH - Registration, Evaluation, Authorisation and Restriction of Chemicals Regulation
CLP - Classification, Labelling and Packaging
  • A list of substances for which classification and labelling data have been notified to ECHA by manufacturers or importers.
Previous Legislations
  • Substances listed in the EINECS, ELINCS, or NLP inventories.
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Substance names and other identifiers

Regulatory process names
[A complex combination of hydrocarbons obtained by the catalytic reforming of straight-run naphtha and the fractionation of the total effluent. It consists of saturated aliphatic hydrocarbons having carbon numbers predominantly in the range of C2 through C4.]
A complex combination of hydrocarbons obtained by the catalytic reforming of straight-run naphtha and the fractionation of the total effluent. It consists of saturated aliphatic hydrocarbons having carbon numbers predominantly in the range of C2 through C4.
C&L Inventory
Gases (petroleum), straight-run naphtha catalytic reformer stabilizer overhead
EC Inventory, C&L Inventory, Pre-Registration process
Petroleum gas
A complex combination of hydrocarbons obtained by the catalytic reforming of straight-run naphtha and the fractionation of the total effluent. It consists of saturated aliphatic hydrocarbons having carbon numbers predominantly in the range of C2 through C4.
C&L Inventory
Translated names
(Keerulise koostisega süsivesinike segu, mis saadakse otsedestillatsiooni raskbensiini katalüütilsel reformingul ning kogu väljavoolu fraktsioonimisel. Koosneb küllastunud alifaatsetest süsivesinikest süsiniku aatomite arvuga valdavalt vahemikus C2 kuni C4.) (et)
C&L Inventory
[Kompleks blanding av hydrokarboner dannet ved katalytisk reformering av direktedestillert (straight-run) nafta og fraksjonering av totalutløpet. Består av mettede, alifatiske hydrokarboner, hovedsakelig C2 til C4.] (no)
C&L Inventory
[Kompleksna kombinacija ogljikovodikov dobljena s katalitskim reformingom nafte iz direktne destilacije in s frakcioniranjem celotnega iztoka. Sestoji iz nasičenih alifatskih ogljikovodikov s številom ogljikovih atomov pretežno v območju med C2 in C4.] (sl)
C&L Inventory
[komplexe Kombination von Kohlenwasserstoffen, erhalten durch katalytisches Reformieren von Straight-run-Benzin und Fraktionieren des gesamten ablaufenden Produkts; besteht aus gesättigten aliphatischen Kohlenwasserstoffen mit Kohlenstoffzahlen vorwiegend im Bereich von C2 bis C4] (de)
C&L Inventory
[Komplexná zmes uhľovodíkov získavaná katalytickým reformovaním primárneho ťažkého benzínu a frakcionáciou celého kvapalného podielu. Pozostáva z nasýtených alifatických uhľovodíkov s počtom atómov uhlíka prevažne v rozmedzí od C2 do C4.] (sk)
C&L Inventory
[O combinaţie complexă de hidrocarburi obţinută printr-un proces catalitic de reformare a fracţiei nafta de distilare directă şi fracţionarea efluentului total. Constă în hidrocarburi alifatice saturate al căror număr de atomi de carbon variază cu precădere între C2 şi C4.] (ro)
C&L Inventory
[Ogļūdeņražu savienojumu komplekss, kas iegūts, pakļaujot ligroīnu tiešās destilācijas katalītiskam riformingam un frakcionējot visas izplūdes gāzes. Sastāv no alifātiskiem ogļūdeņražiem pārsvarā ar oglekļa atomu skaitu no C2 līdz C4.] (lv)
C&L Inventory
[Složeni sastav ugljikovodika dobivenih katalitičkim reformingom primarnog benzina i frakcionacijom ukupnog efluenta. Sastoji se od zasićenih alifatskih ugljikovodika koji imaju broj ugljikovih atoma pretežito u području C2 do C4.] (hr)
C&L Inventory
[Složitá směs uhlovodíků získaná katalytickým reformováním primárního těžkého benzínu a frakční destilací veškeré vytékající látky. Je složena z nasycených alifatických uhlovodíků s počtem uhlíkových atomů převážně v rozmezí C2 až C4.] (cs)
C&L Inventory
[Sudėtinis angliavandenilių mišinys, gaunamas vykdant tiesioginio distiliavimo pirminio benzino katalizinį riformingą ir viso ištakio frakcinį distiliavimą. Jį sudaro sotieji alifatiniai angliavandeniliai, turintys anglies atomų skaičių daugiausia nuo C2 iki C4.] (lt)
C&L Inventory
[Szénhidrogének komplex elegye, melyet közvetlen lepárlású benzin katalitikus reformálásával és a teljes effluens frakcionálásával állítanak elő. Telített alifás szénhidrogénekből áll, melyek szénatomszáma főleg a C2-C4 tartományban van.] (hu)
C&L Inventory
[Złożona mieszanina węglowodorów otrzymana przez katalityczny reforming przeróbki zachowawczej nafty i frakcjonowanie całego odcieku. Składa się z nasyconych węglowodorów alifatycznych o liczbie atomów węgla zasadniczo w zakresie C2 do C4.] (pl)
C&L Inventory
[Πολύπλοκος συνδυασμός υδρογονανθράκων που λαμβάνεται με καταλυτική αναμόρφωση νάφθας απευθείας απόσταξης και κλασμάτωσητων συνολικών εκροών. Συνίσταται από κορεσμένους αλειφατικούς υδρογονάνθρακες με αριθμό ατόμων άνθρακα κυρίως μεταξύ C2 και C4.] (el)
C&L Inventory
[Комплексна комбинация от въглеводороди, получена при каталитичен реформинг на прякодестилатен нискооктанов бензин и фракциониране на общия изходящ поток. Състои се от наситени алифатни въглеводороди с брой на въглеродните атоми, преобладаващо в интервала от С2 до С4 включително.] (bg)
C&L Inventory
combinación compleja de hidrocarburos obtenida por el reformado catalítico de nafta de primera destilación y el fraccionamiento del efluente total; compuesta de hidrocarburos alifáticos saturados con un número de carbonos en su mayor parte dentro del intervalo de C2 a C4 (es)
C&L Inventory
Combinaisom complexe d'hydrocarbures obtenue par reformage catalytique de naphta de distillation directe et fractionnement de la totalité de l'effluent. Se compose d'hydrocarbures aliphatiques saturés dont le nombre de carbones se situe principalement dans la gamme C2-C4. (fr)
C&L Inventory
Combinazione complessa ottenuta con il reforming catalitico di nafta di prima distillazione e frazionamento dell'effluente globale. È costituita da idrocarburi alifatici saturi con numero di atomi di carbonio prevalentemente nell'intervallo C2- C4. (it)
C&L Inventory
Combinação complexa de hidrocarbonetos obtida por reformação catalítica de nafta de destilação directa e fraccionamento da totalidade do efluente. É constituída por hidrocarbonetos alifáticos saturados com número de átomos de carbono predominantemente na gama C2 a C4. (pt)
C&L Inventory
Dujos (nafta), tiesioginio distiliavimo pirminio benzino katalizinis riformingas, stabilizavimo įrenginio viršutiniai distiliatai (lt)
C&L Inventory
Een complexe verzameling koolwaterstoffen die wordt verkregen door de katalytische reforming van direct door fractionering verkregen nafta en de fractionering van de totale uitstroom. Bestaat uit verzadigde alifatische koolwaterstoffen, overwegend C2 tot en met C4. (nl)
C&L Inventory
En sammensat blanding af carbonhydrider opnået ved den katalytiske reformering af straight-run naphtha og fraktioneringen af det totale udløb. Den består af mættede aliphatiske carbonhydrider, overvejende C2 til og med C4. (da)
C&L Inventory
Gaasid (nafta), otsedestillatsiooni raskbensiini katalüütilise reformingu produktide stabilisatsiooniseadme tipugaas (et)
C&L Inventory
gas (petrolio), nafta di prima distillazione, frazione di testa stabilizzatore reforming catalitico (it)
C&L Inventory
gas di petrolio (it)
C&L Inventory
Gase (Erdöl), katalytisch reformiertes Straight-run-Benzin, Stabilisationskolonne, Kopfprodukt (de)
C&L Inventory
Gase aus der Erdölverarbeitung (de)
C&L Inventory
Gaser (petroleum), straight-run nafta, katalytisk reformer, stabilisatortoppfraktion (sv)
C&L Inventory
gases (petróleo), productos de cabeza del estabilizador del reformador catalítico de nafta de primera destilación (es)
C&L Inventory
Gases (petróleo), produtos de cabeça de estabilizador de reformador catalítico de nafta de destilação directa (pt)
C&L Inventory
gases de petróleo (es)
C&L Inventory
Gassen (aardolie), direct door fractionering verkregen nafta, katalytische reformer, stabilisator-topproducten (nl)
C&L Inventory
gasser (petroleum), direktedestillert (straight-run) nafta, katalytisk reformer, stabilisatortoppfraksjon (no)
C&L Inventory
gasser (råolie), straight-run naphtha katalytisk reformer stabilizer topfraktions- (da)
C&L Inventory
gaz de pétrole (fr)
C&L Inventory
Gaz de tête du stabilisateur (pétrole), reformage catalytique du naphta de distillation directe (fr)
C&L Inventory
Gaz petrolier (mt)
C&L Inventory
Gaz z ropy naftowej (pl)
C&L Inventory
Gaze de stabilizare (petrol), reformare catalitică a fracţiei nafta de distilare directă (mt)
C&L Inventory
Gazy (ropa naftowa) ze stabilizacji benzyny z reformingu katalitycznego (pl)
C&L Inventory
Gás de petróleo (pt)
C&L Inventory
Gázok (nyersolaj), közvetlen lepárlású benzin katalitikus reformáló- stabilizáló fejtermék (hu)
C&L Inventory
Gāzes (nafta), tiešās destilācijas ligroīna katalītiskā riformera stabilizatora augšējā frakcija (lv)
C&L Inventory
Kaasut (maaöljy), suoratislausteollisuusbensiinin katalyyttisen reformointiyksikön stabilointikolonnin ylimeno (fi)
C&L Inventory
Komplex blandning av kolväten erhållen genom katalytisk reformering av straight-run nafta och fraktionering av det totala utflödet. Består av mättade alifatiska kolväten, främst C2 till C4. (sv)
C&L Inventory
Kulbrintegasser (da)
C&L Inventory
Kőolaj gáz (hu)
C&L Inventory
Maaöljykaasu (fi)
C&L Inventory
Monimutkainen seos hiilivetyjä, saatu katalyyttisesti reformoimalla suoratislausteollisuusbensiiniä ja jakotislaamalla koko virta. Koostuu tyydyttyneistä alifaattisista hiilivedyistä, joiden hiililuvut ovat pääasiassa välillä C2:stä C4:een. (fi)
C&L Inventory
Naftagaas (et)
C&L Inventory
Naftas gāze (lv)
C&L Inventory
Naftni plin (hr)
C&L Inventory
Naftos dujos (lt)
C&L Inventory
O combinaţie complexă de hidrocarburi obţinută printr-un proces catalitic de reformare a fracţiei nafta de distilare directă şi fracţionarea efluentului total. Constă în hidrocarburi alifatice saturate al căror număr de atomi de carbon variază cu precădere între C2 şi C4. (mt)
C&L Inventory
Petroleumgas (nl)
C&L Inventory
petroleumsgass (no)
C&L Inventory
plin iz predelave zemeljskega olja (sl)
C&L Inventory
plini (zemeljsko olje), plin iz vrha stabilizatorja, katalitski reforming nafte iz direktne destilacije (sl)
C&L Inventory
Plinovi (nafta), vršni produkt stabilizatora katalitičkog reforminga primarnog benzina (hr)
C&L Inventory
plyn zo spracovania ropy (sk)
C&L Inventory
plyny (ropné), hlavové frakcie z destilačnej stabilizácie produktu katalytického zušľachťovania primárneho ťažkého benzínu (sk)
C&L Inventory
Plyny (ropné), hlavový destilát ze stabilizační kolony katalytického reformování primárního těžkého benzínu (cs)
C&L Inventory
Ropný plyn (cs)
C&L Inventory
αέριαΑέρια (πετρελαίου), προϊόντα κορυφής σταθεροποιητή μονάδας καταλυτικής αναμόρφωσης νάφθας απευθείας απόσταξης (el)
C&L Inventory
Πετρελαϊκό αέριο (el)
C&L Inventory
Газове (нефт), фракция от горната част на стабилизатора на каталитичен реформинг на прякодестилатен нискооктанов бензин (bg)
C&L Inventory
Нефтен газ (bg)
C&L Inventory
Other identifiers
649-112-00-7
C&L Inventory
Index Number
68955-34-0
EC Inventory, C&L Inventory, Pre-Registration process, Other
CAS number

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