Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: 270-147-5 | CAS number: 68411-76-7 The residuum from the distillation of the products from the air oxidation of cyclohexane. It consists of alcohols, acids and lactones having carbon numbers predominantly in the range of C4 through C6.
Skin irritation / corrosion
Administrative data
- Endpoint:
- skin irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Guideline study, non GLP
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 987
- Report date:
- 1987
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
- GLP compliance:
- no
Test material
- Reference substance name:
- Cyclohexane, oxidized, aquous extract
- IUPAC Name:
- Cyclohexane, oxidized, aquous extract
- Reference substance name:
- Cyclohexane, oxidized, aq. ext.
- EC Number:
- 272-810-4
- EC Name:
- Cyclohexane, oxidized, aq. ext.
- Cas Number:
- 68915-38-8
- IUPAC Name:
- 68915-38-8
- Details on test material:
- - Name of test material (as cited in study report): Abstreifsaeure
- Physical state: Yellow liquid
- Composition of test material, percentage of components:
16.7% Adipinic acid (CAS-Nr. 12404-9)
13.2% 6-Hydroxycaproic acid (CAS-Nr.1191-25-9)
2.1% Glutaric acid (CAS-Nr. 110-94-1 )
0.8% succinic acid (CAS-Nr. 13392-69-3)
0.2% valeric acid (CAS-Nr. 109-52-4)
0.2% butanoic acid (CAS-Nr. 107-92-6)
0.1% propionic acid (CAS-Nr. 79-09-4)
0.3% acidic acid (CAS-Nr. 64-19-7)
1.4% formic acid (CAS-Nr. 64-18-6)
10% polymeric oxycaproic acid
~20ppm cobalt0.2% valeric acid
Constituent 1
Constituent 2
Test animals
- Species:
- rabbit
- Strain:
- Vienna White
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: Gaukler, Offenbach
- Mean weight at study initiation: male 2.82 Kg
- Housing: one per cage
- Diet: Kliba 341, about 130 g/animal/day
- Water: 250 ml tap water/animals/day
- Acclimation period: 8 days
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 20-24
- Humidity (%): 30-70
- Photoperiod (hrs dark / hrs light): 12/12
Test system
- Type of coverage:
- semiocclusive
- Preparation of test site:
- other: clipped
- Vehicle:
- unchanged (no vehicle)
- Controls:
- other: untreated skin sites of the same animal
- Amount / concentration applied:
- TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.5 ml undiluted (after heating at about 50 °C) - Duration of treatment / exposure:
- 4 hour(s)
- Observation period:
- 72 h
- Number of animals:
- 3
- Details on study design:
- TEST SITE
- Area of exposure: 2.5 cm x 2.5 cm
REMOVAL OF TEST SUBSTANCE
- Washing (if done): Lutrol and lutrol/water (1:1)
- Time after start of exposure: 4 h
SCORING SYSTEM: Draize scoring. Readings were taken 30-60 min after removal of the test patches, and 24h, 48h and 72h after the beginning of the application.
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- erythema score
- Basis:
- mean
- Remarks:
- 3 rabbits
- Time point:
- other: 24-48-72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- other: no effects
- Irritation parameter:
- edema score
- Basis:
- mean
- Remarks:
- 3 rabbits
- Time point:
- other: 24-48-72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- other: no effects
- Irritant / corrosive response data:
- No signs of erythema or edema were observed at any time point
Applicant's summary and conclusion
- Interpretation of results:
- not irritating
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
- Conclusions:
- Classification: not irritating
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