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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.

Diss Factsheets

Toxicological information

Acute Toxicity: dermal

Currently viewing:

Administrative data

Endpoint:
acute toxicity: dermal
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1979
Report date:
1979

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 402 (Acute Dermal Toxicity)
Deviations:
yes
Remarks:
only 1 dose tested
GLP compliance:
no
Test type:
standard acute method
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-methyl-6-(4-methylcyclohex-3-en-1-ylidene)hept-2-ene
EC Number:
207-805-8
EC Name:
2-methyl-6-(4-methylcyclohex-3-en-1-ylidene)hept-2-ene
Cas Number:
495-62-5
Molecular formula:
C15H24
IUPAC Name:
4-(1,5-dimethylhex-4-en-1-ylidene)-1-methylcyclohexene
Constituent 2
Chemical structure
Reference substance name:
(4S)-1-methyl-4-(6-methylhepta-1,5-dien-2-yl)cyclohexene
EC Number:
610-461-5
Cas Number:
495-61-4
Molecular formula:
C15H24
IUPAC Name:
(4S)-1-methyl-4-(6-methylhepta-1,5-dien-2-yl)cyclohexene
Constituent 3
Chemical structure
Reference substance name:
6-methyl-2-(4-methylcyclohex-3-enyl)hept-2,5-diene
EC Number:
241-610-9
EC Name:
6-methyl-2-(4-methylcyclohex-3-enyl)hept-2,5-diene
Cas Number:
17627-44-0
Molecular formula:
C15H24
IUPAC Name:
4-(1,5-dimethylhexa-1,4-dien-1-yl)-1-methylcyclohexene

Test animals

Species:
rabbit
Strain:
Vienna White
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Mean weight at study initiation: 2.4 kg (males); 2.5 kg (females)

Administration / exposure

Type of coverage:
occlusive
Vehicle:
unchanged (no vehicle)
Details on dermal exposure:
TEST SITE
- clipped back skin
- Area of exposure: 50 cm2
- Type of wrap if used: parchment paper and bandage
Duration of exposure:
24 hours
Doses:
200 mg/kg bw
No. of animals per sex per dose:
5
Control animals:
other: not applicable
Details on study design:
- Duration of observation period following administration: 4 days
- Necropsy of survivors performed:no
- Clinical signs determined: yes

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 200 mg/kg bw
Mortality:
No mortality observed
Clinical signs:
other: Erythema and edema 24h after application, observed until the end of the observation period (4 days)

Applicant's summary and conclusion