Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
other: Body responsible for the test
Title:
Unnamed
Year:
1993

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Directive84/449/CEE - B1
GLP compliance:
yes
Test type:
standard acute method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
2-butyl-4-chloro-5-formylimidazole
EC Number:
410-260-0
EC Name:
2-butyl-4-chloro-5-formylimidazole
Cas Number:
83857-96-9
Molecular formula:
C8 H11 Cl N2 O
IUPAC Name:
2-butyl-4-chloro-1H-imidazole-5-carbaldehyde

Test animals

Species:
rat
Strain:
Sprague-Dawley
Sex:
male/female

Administration / exposure

Route of administration:
oral: unspecified
Vehicle:
CMC (carboxymethyl cellulose)

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Mortality:
Male: 2000mglkg bw; Number of animals: 5; Number of deaths: 0
Male: 5000 mglkg bw; Number of animals: 5; Numberof deaths: 3
Female: 2000 mglkg bw; Number of animals: 5; Number of deaths: 0
Clinical signs:
other: Signs of toxicity related to dose levels: à 2000 mg/kg : hypocinésie, sudation, trouble respiratoire, ataxie, piloérection et ralentissement de I'évolution pondérale. Ces signes s'observent a un deqré varié jusqu'au 5ème jour. - à 5000 mg/kg : on observe
Gross pathology:
Effects on organs:
Aucune anomalie macroscopique n'a été mise en évidence.

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: EU