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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
comparable to guideline study

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 420 (Acute Oral Toxicity - Fixed Dose Method)
Deviations:
yes
Remarks:
The following deviation from the Study Plan ocurred: Based on current GLP guidance, at the time of issue/approval, the Study Plan did not contain sufficient information with regards test item identification. The required information is however included in
GLP compliance:
yes (incl. QA statement)
Test type:
fixed dose procedure

Test material

Constituent 1
Chemical structure
Reference substance name:
3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-triene-7-carbonitrile
EC Number:
609-091-7
Cas Number:
35202-54-1
Molecular formula:
C11H11NO2
IUPAC Name:
3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-triene-7-carbonitrile

Test animals

Species:
rat
Strain:
Wistar
Sex:
female

Results and discussion

Effect levels
Key result
Sex:
female
Dose descriptor:
LD50
Effect level:
> 300 mg/kg bw
Based on:
test mat.

Applicant's summary and conclusion

Interpretation of results:
Category 4 based on GHS criteria
Conclusions:
The acute oral median lethal dose (LD50) of the test item in the female Wistar strain rat was estimated to be greater than 300 mg/kg body weight (Globally Harmonized Classification System − Category 4).