Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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)
Rationale for reliability incl. deficiencies:
other: GLP study according EU/OECD guideline.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013
Report date:
2013

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
Version / remarks:
(2001)
GLP compliance:
yes (incl. QA statement)
Test type:
acute toxic class method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
methyl 1-(3-chloropyridin-2-yl)-3-(hydroxymethyl)-1H-pyrazole-5-carboxylate
EC Number:
937-132-1
Cas Number:
960316-73-8
Molecular formula:
C11H10ClN3O3
IUPAC Name:
methyl 1-(3-chloropyridin-2-yl)-3-(hydroxymethyl)-1H-pyrazole-5-carboxylate

Test animals

Species:
rat
Strain:
Wistar
Sex:
female

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
other: Methyl cellulose 1%
Doses:
2000 mg/kg body weight (bw)
No. of animals per sex per dose:
six female rats
Control animals:
no

Results and discussion

Effect levels
Sex:
female
Dose descriptor:
LD50
Effect level:
> 5 000 mg/kg bw
Remarks on result:
other: No mortalities occurred at a dose level of 2000 mg/kg bw, therefore, a LD50 >5000 mg/kg bw was derived according to OECD TG 423

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
A dose of 2000 mg kg body weight was tolerated by female rats without mortalities, effects on body weight development and gross pathological findings. Clinical signs such as decreased activity (6/6), hunched back (3/6), prone position (5/6), piloerection (2/6) and incoordination (4/6) were observed but were fully reversible within 24 hours post-administration of the test material. Based on the study results and according to EU classification criteria, the test substance is not to be classified.