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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2001

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
GLP compliance:
yes (incl. QA statement)
Test type:
acute toxic class method
Limit test:
yes

Test material

1
Chemical structure
Reference substance name:
(E)-(4-methoxy-2,3,6-trimethylphenyl)-3-buten-2-one
EC Number:
263-760-4
EC Name:
(E)-(4-methoxy-2,3,6-trimethylphenyl)-3-buten-2-one
Cas Number:
62924-31-6
Molecular formula:
C14H18O2
IUPAC Name:
1-(4-methoxy-2,3,6-trimethylphenyl)but-3-en-2-one
Test material form:
solid: particulate/powder

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
female

Administration / exposure

Route of administration:
oral: unspecified

Results and discussion

Effect levels
Sex:
female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Mortality:
no mortality.
Clinical signs:
other: A decrease in spontaneous activity and myosis were noted during the first hours of the test. The animals recovered a normal behaviour between 4 and 24 hrs post-dose.
Gross pathology:
No treatment related changes.

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Conclusions:
The LD50 of the test item is higher than 2000 mg/kg bw by oral route in the rat.