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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Oct -Nov 2005
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2005
Report date:
2005

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
Version / remarks:
2001
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method B.1 tris (Acute Oral Toxicity - Acute Toxic Class Method)
GLP compliance:
yes (incl. QA statement)
Test type:
acute toxic class method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
2,6-dimethyl-2,3-dihydro-1H-inden-1-one
EC Number:
619-799-8
Cas Number:
66309-83-9
Molecular formula:
C11H12O
IUPAC Name:
2,6-dimethyl-2,3-dihydro-1H-inden-1-one
Specific details on test material used for the study:
Purity: 95.3%

Test animals

Species:
rat
Strain:
Wistar
Sex:
female

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
other: tap water with the aid of 2% Cremophor EL
Doses:
2000 mg/kg
No. of animals per sex per dose:
3 animals, two replicates
Control animals:
no

Results and discussion

Effect levels
Key result
Sex:
female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Mortality:
A dose of 2000 mg/kg body weight was tolerated by female rats without mortalities.
Clinical signs:
other: The clinical signs were decreased motility, uncoordinated gait and reactivity decreased.
Gross pathology:
A dose of 2000 mg/kg body weight was tolerated by female rats without gross pathological findings.

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The test item has not to be classified for acute oral toxicity.
Executive summary:

A dose of 2000 mg/kg body weight was tolerated by female rats without mortalities, effects on weight gain and gross pathological findings.
The clinical signs were decreased motility, uncoordinated gait and reactivity decreased.