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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: comparable to guideline study, well-documented study with acceptable restrictions e.g no details on test animals, test material.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1988
Report date:
1988

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
GLP compliance:
no
Test type:
acute toxic class method
Limit test:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
3-[(2E)-2-[1-({4-[(2E)-2-[2-(5-carboxy-2-chlorophenyl)hydrazin-1-ylidene]-3-oxobutanamido]-2,5-dimethylphenyl}carbamoyl)-2-oxopropylidene]hydrazin-1-yl]-4-chlorobenzoic acid
EC Number:
616-083-7
Cas Number:
74351-78-3
Molecular formula:
C30 H26 Cl2 N6 O8
IUPAC Name:
3-[(2E)-2-[1-({4-[(2E)-2-[2-(5-carboxy-2-chlorophenyl)hydrazin-1-ylidene]-3-oxobutanamido]-2,5-dimethylphenyl}carbamoyl)-2-oxopropylidene]hydrazin-1-yl]-4-chlorobenzoic acid
Details on test material:
- Batch No.: OP 31
- purity: no data

Test animals

Species:
rat
Strain:
other: albino rats
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Age at study initiation: young adult
- Weight at study initiation: males = 194 - 200 g, females = 175 - 192 g

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
CMC (carboxymethyl cellulose)
Details on oral exposure:
MAXIMUM DOSE VOLUME APPLIED: 10 ml/kg bw
Doses:
2000 mg/kg bw
No. of animals per sex per dose:
3
Control animals:
no
Details on study design:
- Duration of observation period following administration: 14 days
- Frequency of observations and weighing: Signs and Symptoms were noted on the first 5 hours after application and then daily. Bodies were weighted on days 1, 7 and 14.
- Necropsy of survivors performed: yes, at the end of the observation period.

Results and discussion

Effect levels
Sex:
male/female
Dose descriptor:
LD50
Effect level:
> 2 000 mg/kg bw
Based on:
test mat.
Remarks on result:
other: No effects observed.
Mortality:
0/6 animals
Clinical signs:
other: Dyspnoea, ruffled fur and curved body position were observed, being common symptoms in acute tests. The male animals recovered on day 9 and females on day 8.
Gross pathology:
No abnormalities detected at necropsy.

Applicant's summary and conclusion