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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Report date:
2015

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 425 (Acute Oral Toxicity: Up-and-Down Procedure)
GLP compliance:
yes (incl. QA statement)
Test type:
up-and-down procedure
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
3-[(3,4,5-trimethoxyphenyl)methylidene]pentane-2,4-dione
EC Number:
807-059-9
Cas Number:
945558-97-4
Molecular formula:
C15H18O5
IUPAC Name:
3-[(3,4,5-trimethoxyphenyl)methylidene]pentane-2,4-dione

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
female

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
water
Doses:
2000 mg/kg
No. of animals per sex per dose:
5
Control animals:
no

Results and discussion

Effect levels
Sex:
female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Mortality:
0
Clinical signs:
other: one animal exhibited irregular respiration, ataxia and reduced fecal volume. However, the animal recovered on Day 2 and along with the remaining animals appeared active and healthy for the remainder of the study.
Gross pathology:
No gross abnormalities

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
the acute oral LD50 of 3-(3,4,5-Trimethoxy benzylidene)-2,4-pentanedione is greater than 2,000 milligrams per kilogram of body weight in female rats.