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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
acute toxicity: dermal
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2019-02-25 to 2019-03-25
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2019

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 402 (Acute Dermal Toxicity: Fixed Dose Procedure)
Version / remarks:
2017
Deviations:
no
GLP compliance:
yes
Test type:
standard acute method

Test material

Constituent 1
Chemical structure
Reference substance name:
(1S,4R)-1-methyl-4-(prop-1-en-2-yl)cyclohex-2-en-1-ol
Cas Number:
22972-51-6
Molecular formula:
C10H16O
IUPAC Name:
(1S,4R)-1-methyl-4-(prop-1-en-2-yl)cyclohex-2-en-1-ol
Test material form:
liquid
Details on test material:
Test item: (1S,4R)-1-Methyl-4-(prop-1-en-2-yl)cyclohex-2-enol
CAS number: 22972-51-6
Physical state: Liquid
Storage: Room temperature
Specific details on test material used for the study:
Test item: (1S,4R)-1-methyl-4-(prop-1-en-2-yl)cyclohex-2-en-1-ol (PMDOL)
CAS number: 22972-51-6
Physical state: Liquid
Storage: room temperature
Batch No. 118000-182001

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: BipLasco Taiwan CO., Ltd.
- Females: nulliparous and non-pregnant
- Age at study initiation: 10 weeks
- Weight at study initiation: Animals of comparable weight (226-245g)
- Fasting period before study: no
- Housing: Single housing
- Diet ad libitum
- Water ad libitum
- Acclimation period: 8 days before starting the experiment

ENVIRONMENTAL CONDITIONS
- Temperature: 22 °C +/- 3 °C
- Humidity: 50 +/- 20 %
-Lighting: 12 hours (06:00 on, 18:00 off)

Administration / exposure

Vehicle:
cotton seed oil
Details on dermal exposure:
TEST SITE
- Area of exposure: dorsal
- % coverage: ca. 10%
- Type of wrap: The test item was covered with a porous gauze dressing and non-irritant tape

REMOVAL OF TEST SUBSTANCE:
Rinsing off the test article with sterile water after 24 hours of the treatment


TEST MATERIAL
- Amount applied: 4 mL/kg bw
- Concentration: 500mg/ mL
Duration of exposure:
24h
Doses:
2000mg/kg bw
No. of animals per sex per dose:
2 females
Details on study design:
- Duration of observation period following administration: up to 14 days
- Frequency of observations and weighing: Individual body weights prior to administration (day 0), once a week thereafter during the study period. Clinical signs for each animal were recorded twice after administration and once daily.
- Necropsy of survivors performed: yes. Gross findings were recorded

Results and discussion

Effect levels
Key result
Sex:
female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Mortality:
No mortality occurred.
Clinical signs:
other: Systemic effects: No systemic clinical signs were observed during clinical examination. Local effects: No local effects were observed.
Gross pathology:

No significant gross lesion in the treated animals (2 females).

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met