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Infocards are automatically generated based on industry data. What is an infocard?

Gases (petroleum), benzene unit recycle, hydrogen-rich

A complex combination of hydrocarbons obtained by recycling the gases of the benzene unit. It consists primarily of hydrogen with various small amounts of carbon monoxide and hydrocarbons having carbon numbers in the range of C1 through C6.

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.: 270-748-2

CAS no.: 68477-67-8

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.
Help Help

Substance names and other identifiers

Regulatory process names
[A complex combination of hydrocarbons obtained by recycling the gases of the benzene unit. It consists primarily of hydrogen with various small amounts of carbon monoxide and hydrocarbons having carbon numbers in the range of C1 through C6.]
A complex combination of hydrocarbons obtained by recycling the gases of the benzene unit. It consists primarily of hydrogen with various small amounts of carbon monoxide and hydrocarbons having carbon numbers in the range of C1 through C6.
C&L Inventory
Gases (petroleum), benzene unit recycle, hydrogen-rich
EC Inventory, C&L Inventory, Pre-Registration process
Refinery gas
A complex combination of hydrocarbons obtained by recycling the gases of the benzene unit. It consists primarily of hydrogen with various small amounts of carbon monoxide and hydrocarbons having carbon numbers in the range of C1 through C6.
C&L Inventory
Translated names
(Keerulise koostisega süsivesinike segu, mis saadakse benseeniseadme gaaside retsirkuleerimisel. Koosneb peamiselt vesinikust koos väikese koguse süsinikmonooksiidi ja süsivesinikega, mille süsiniku aatomite arv on vahemikus C1 kuni C6.) (et)
C&L Inventory
[Kompleks blanding av hydrokarboner dannet ved resirkulering av gassene fra benzenanlegg. Består hovedsakelig av hydrogen med varierende små mengder karbonmonoksid og hydrokarboner, C1 til C6.] (no)
C&L Inventory
[Kompleksna kombinacija ogljikovodikov dobljena z recikliranjem plinov iz benzenske enote. Sestoji pretežno iz vodika z različnimi majhnimi količinami ogljikovega monoksida in ogljikovodikov s številom ogljikovih atomov v območju med C1 in C6.] (sl)
C&L Inventory
[komplexe Kombination von Kohlenwasserstoffen, erhalten durch Rückgewinnung von Gasen der Benzolanlage; besteht in erster Linie aus Wasserstoff sowie geringen Mengen an Kohlenmonoxid und Kohlenwasserstoffen mit Kohlenstoffzahlen im Bereich von C1 bis C6] (de)
C&L Inventory
[Komplexná zmes uhľovodíkov získavaná recykláciou plynov z benzénovej jednotky. Pozostáva predovšetkým z vodíka a malých množstiev oxidu uhoľnatého a uhľovodíkov s počtom atómov uhlíka prevažne v rozmedzí od C1 do C6.] (sk)
C&L Inventory
[O combinaţie complexă de hidrocarburi obţinută prin reciclarea gazelor din unitatea de producţie a benzenului. Constă cu precădere în hidrogen şi diferite cantităţi mici de monoxid de carbon şi hidrocarburi al căror număr de atomi de carbon variază între C1 şi C6.] (ro)
C&L Inventory
[Ogļūdeņražu savienojumu komplekss, kas iegūts no benzola iekārtas reciklēšanas gāzēm. Pārsvarā sastāv no ūdeņraža, nelielā daudzumā kā piemaisījumu satur oglekļa monoksīdu un ogļūdeņražus ar oglekļa atomu skaitu no C1 līdz C6.] (lv)
C&L Inventory
[Složeni sastav ugljikovodika dobivenih reciklacijom plinova benzenske jedinice. Sastoji se uglavnom od vodika s različitim malim količinama ugljikovog monoksida i ugljikovodika koji imaju broj ugljikovih atoma u području C1 do C6.] (hr)
C&L Inventory
[Složitá směs uhlovodíků získaná recyklací plynů z benzenové jednotky. Je složena převážně z vodíku s různými malými množstvími oxidu uhelnatého a uhlovodíků s počtem uhlíkových atomů v rozmezí C1 až C6.] (cs)
C&L Inventory
[Sudėtinis angliavandenilių mišinys, gaunamas recirkuliuojant benzeno įrenginio dujas. Jį sudaro iš esmės vandenilis ir įvairūs maži kiekiai anglies monoksido ir angliavandenilių, turinčių anglies atomų skaičių nuo C1 iki C6.] (lt)
C&L Inventory
[Szénhidrogének komplex elegye, melyet a benzol egység gázainak újrafeldolgozásával nyernek. Elsősorban hidrogénből áll, valamint különböző kis mennyiségben szén-monoxidból, és olyan szénhidrogénekből, melyek szénatomszáma elsősorban a C1-C6 tartományban van.] (hu)
C&L Inventory
[Złożona mieszanina węglowodorów otrzymana przez recykling gazów z instalacji benzenu. Składa się głównie z wodoru z różnymi niewielkimi ilościami monotlenku węgla i węglowodorów o liczbie atomów węgla w zakresie C1 do C6.] (pl)
C&L Inventory
[Πολύπλοκος συνδυασμός υδρογονανθράκων που λαμβάνεται με ανακύκλωση των αερίων της μονάδας βενζολίου. Συνίσταται πρωτίστως από υδρογόνο με διάφορες μικροποσότητες μονοξειδίου του άνθρακα και υδρογονανθράκων με αριθμό ατόμων άνθρακα μεταξύ C1 και C6.] (el)
C&L Inventory
[Комплексна комбинация от въглеводороди, получена при рециркулиране на газовете от инсталацията за производство на бензен. Състои се основно от водород с различни малки количества въглероден моноксид и въглеводороди с брой на въглеродните атоми в интервала от С1 до С6 включително. ] (bg)
C&L Inventory
Attīrīšanas gāze (lv)
C&L Inventory
combinación compleja de hidrocarburos obtenida por el reciclado de los gases de la unidad de benceno; compuesta principalmente de hidrógeno con pequeñas cantidades variables de monóxido de carbono e hidrocarburos con un número de carbonos dentro del intervalo de C1 a C6 (es)
C&L Inventory
Combinaison complexe d'hydrocarbures obtenues par recyclage des gaz de l'unité de production du benzène. Se compose principalement d'hydrogène, avec de petites quantités de monoxyde de carbone et d'hydrocarbures dont le nombre de carbones se situe dans la gamme C1-C6. (fr)
C&L Inventory
Combinazione complessa di idrocarburi ottenuta riciclando i gas dell'impianto benzene. È costituita principalmente da idrogeno con varie piccole quantità di ossido di carbonio e idrocarburi con numero di atomi di carbonio nell'intervallo C1-C6. (it)
C&L Inventory
Combinação complexa de hidrocarbonetos obtida por reciclagem dos gases da unidade de benzeno. É constituída principalmente por hidrogénio, com pequenas quantidades variáveis de monóxido de carbono e hidrocarbonetos com número de átomos de carbono na gama C1 a C6. (pt)
C&L Inventory
Dujos (nafta), benzeno gamybos įrenginio recirkuliacijos dujos, turi daug vandenilio (lt)
C&L Inventory
Een complexe verzameling koolwaterstoffen, verkregen door terugvoer van de gassen uit de benzeeninstallatie. Bestaat voornamelijk uit waterstof, met uiteenlopende kleine hoeveelheden koolmonoxide en koolwaterstoffen, C1 tot en met C6. (nl)
C&L Inventory
En sammensat blanding af carbonhydrider opnået ved at recirkulere gasserne fra benzenenheden. Den består primært af hydrogen med forskellige små mængder carbonmonoxid og carbonhydrider, C1 til og med C6. (da)
C&L Inventory
Finomítói gáz (hu)
C&L Inventory
Gaasid (nafta), benseeniseadme ringlusgaas, vesinikurikas (et)
C&L Inventory
gas (petrolio), riciclo dall'impianto benzene, ricchi di idrogeno (it)
C&L Inventory
gas de refinería (es)
C&L Inventory
gas di raffineria (it)
C&L Inventory
Gase (Erdöl), rückgewonnen aus Benzolanlage, wasserstoffreich (de)
C&L Inventory
Gaser (petroleum), återcirkulationsgaser från bensenanläggning, väterika (sv)
C&L Inventory
gases (petróleo), reciclado de la unidad de benceno, ricos en hidrógeno (es)
C&L Inventory
Gases (petróleo), reciclado de unidade de benzeno, ricos em hidrogénio (pt)
C&L Inventory
Gassen (aardolie), terugvoer benzeeninstallatie, rijk aan waterstof (nl)
C&L Inventory
gasser (petroleum), resirkuleringsgasser fra benzenanlegg, hydrogenrike (no)
C&L Inventory
gasser (råolie), benzenenheds-recirkulations-, hydrogenrige (da)
C&L Inventory
gaz de raffinerie (fr)
C&L Inventory
Gaz de rafinărie (mt)
C&L Inventory
Gaz de recyclage (pétrole), production du benzène, riches en hydrogène (fr)
C&L Inventory
Gaz rafineryjny (pl)
C&L Inventory
Gaze de reciclare a benzenului (petrol), bogate în hidrogen (mt)
C&L Inventory
Gazy (ropa naftowa) recyrkulacyjne z instalacji benzenu, bogate w wodór (pl)
C&L Inventory
Gás de refinaria (pt)
C&L Inventory
Gázok (nyersolaj), benzol egység újrafeldolgozás, hidrogénben gazdag (hu)
C&L Inventory
Gāzes (nafta), benzola iekārtas reciklēšanas gāzes, bagātīgi satur ūdeņradi (lv)
C&L Inventory
Jalostuskaasu (fi)
C&L Inventory
Kaasut (maaöljy), bentseeniyksikön kierto, vetyrikas (fi)
C&L Inventory
Komplex blandning av kolväten erhållen genom återcirkulation av gaserna från bensenanläggningen. Består främst av väte med olika små mängder av kolmonoxid och , C1 till C6-kolväten. (sv)
C&L Inventory
Monimutkainen seos hiilivetyjä, saatu kierrättämällä bentseeniyksikön kaasuja. Koostuu pääasiassa vedystä, mukana pieniä määriä hiilimonoksidia ja hiilivetyjä, joiden hiililuvut ovat välillä C1:stä C6:een. (fi)
C&L Inventory
Naftos perdirbimo dujos (lt)
C&L Inventory
O combinaţie complexă de hidrocarburi obţinută prin reciclarea gazelor din unitatea de producţie a benzenului. Constă cu precădere în hidrogen şi diferite cantităţi mici de monoxid de carbon şi hidrocarburi al căror număr de atomi de carbon variază între C1 şi C6. (mt)
C&L Inventory
plin iz rafinerije (sl)
C&L Inventory
plini (zemeljsko olje) iz recikla v proizvodnji benzena, pretežno vodik (sl)
C&L Inventory
Plinovi (nafta), jedinica za reciklaciju benzena, vodikom bogati (hr)
C&L Inventory
Plyny (ropné), recykl benzenové jednotky, bohatý na vodík (cs)
C&L Inventory
plyny (ropné), z rekuperácie plynu z benzénovej jednotky, s vysokým obsahom vodíka (sk)
C&L Inventory
Raffinaderigas (da)
C&L Inventory
Raffinaderijgas (nl)
C&L Inventory
Raffineriegas (de)
C&L Inventory
raffinerigass (no)
C&L Inventory
rafinačný plyn (sk)
C&L Inventory
Rafinerijski plin (hr)
C&L Inventory
Rafinerský plyn (cs)
C&L Inventory
Töötlemise heitgaas (et)
C&L Inventory
αέριαΑέρια (πετρελαίου), ανακύκλωσης από τη μονάδα βενζολίου, πλούσια σε υδρογόνο (el)
C&L Inventory
Αέριο διυλιστηρίου (el)
C&L Inventory
Газ от рафинерията (bg)
C&L Inventory
Газове (нефт), рециркулат от инсталацията за бензен, богат на водород (bg)
C&L Inventory
Other identifiers
649-122-00-1
C&L Inventory
Index Number
68477-67-8
EC Inventory, C&L Inventory, Pre-Registration process, Other
CAS number

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