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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: oral
Type of information:
experimental study
Adequacy of study:
key study
Study period:
09 Aug - 18 Sep, 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 420 (Acute Oral Toxicity - Fixed Dose Method)
Version / remarks:
2001
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method B.1 bis (Acute Oral Toxicity - Fixed Dose Procedure)
Version / remarks:
2002
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 870.1100 (Acute Oral Toxicity)
Version / remarks:
2002
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: Japanese Ministry of Agriculture, Forestry and Fisheries (JMAFF), Testing Guidelines for Toxicology Studies, No. 2-1-1 “Acute oral toxicity studies”, 12 Nousan No. 8147
Version / remarks:
24 November 2000
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Test type:
fixed dose procedure
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
1,2-bis(2-methylpropyl) (1R,2R,3R,6S)-3,6-dimethylcyclohexane-1,2-dicarboxylate; 1,2-bis(2-methylpropyl) (1S,2S,3R,6S)-3,6-dimethylcyclohexane-1,2-dicarboxylate
EC Number:
943-279-2
Molecular formula:
C18H32O4
IUPAC Name:
1,2-bis(2-methylpropyl) (1R,2R,3R,6S)-3,6-dimethylcyclohexane-1,2-dicarboxylate; 1,2-bis(2-methylpropyl) (1S,2S,3R,6S)-3,6-dimethylcyclohexane-1,2-dicarboxylate
Test material form:
liquid
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: H1L002
- Expiration date of the lot/batch: 31 Dec 2017
- Purity test date: 99.0%
- Physical state/Appearance: Colourless to yellow liquid
- Storage Conditions: Room temperature in the dark

Test animals

Species:
rat
Strain:
Wistar
Sex:
female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Females nulliparous and non-pregnant: yes
- Age at study initiation: 8 to 12 weeks
- Weight at study initiation: 163 - 180 g
- Fasting period before study: Overnight fast immediately before dosing and for approximately 3 to 4 hours after dosing
- Housing: Suspended solid-floor polypropylene cages furnished with woodflakes
- Diet: ad libitum
- Water: ad libitum
- Acclimation period: 5 days

ENVIRONMENTAL CONDITIONS
- Temperature (°C): 19 to 25
- Humidity (%): 30 to 70
- Air changes (per hr): 15
- Photoperiod (hrs dark / hrs light): 12/12

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
arachis oil
Remarks:
BP
Details on oral exposure:
VEHICLE
- Justification for choice of vehicle: test item did not dissolve/suspend in distilled water

MAXIMUM DOSE VOLUME APPLIED: 10 mL/kg

Note that the above vehicle and dose volume refer to the 300 mg/kg dose level only; the 2000 mg/kg level received test material as supplied (no vehicle used)

Doses:
300 and 2000 mg/kg
No. of animals per sex per dose:
5
Control animals:
no
Details on study design:
- Duration of observation period following administration: Clinical observations were made 30 minutes, 1, 2, and 4 hours after dosing and then daily for up to 14 days.
- Frequency of observations and weighing: Day 0 (the day of dosing) and on Days 7 and 14
- Necropsy of survivors performed: yes

Results and discussion

Effect levels
Key result
Sex:
female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Mortality:
There were no deaths
Clinical signs:
other: No signs of systemic toxicity were noted during the observation period
Gross pathology:
No abnormalities were noted at necropsy

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The acute oral median lethal dose (LD50) of the test item in the female Wistar strain rat was estimated to be greater than 2000 mg/kg body weight