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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicological information

Acute Toxicity: oral

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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: Acceptable, well-documented study report which meetd basic scientific principles.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1980
Report date:
1980

Materials and methods

Principles of method if other than guideline:
according to BASF-internal standard
GLP compliance:
no

Test material

Constituent 1
Reference substance name:
4653-59-0
IUPAC Name:
4653-59-0
Details on test material:
Name of the test substance used in the study report: 4-Chlorbuttersäurechlorid

Test animals

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

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
olive oil
Details on oral exposure:
Fasting period: 15 - 20 h before administration
Application volume: 5 ml/kg
Doses:
215, 1000, 1470, 2150, 4640 mg/kg
No. of animals per sex per dose:
5
Control animals:
no
Details on study design:
- Duration of observation period following administration: 14 days
- Frequency of weighing: after 2-4 d, 7 d and 13 d
- Necropsy of survivors performed: yes
- Other examinations performed: clinical signs, body weight

Results and discussion

Effect levelsopen allclose all
Sex:
male/female
Dose descriptor:
LD50
Effect level:
1 350 mg/kg bw
Sex:
male
Dose descriptor:
LD50
Effect level:
1 500 mg/kg bw
Sex:
female
Dose descriptor:
LD50
Effect level:
1 210 mg/kg bw
Mortality:
Male animals:
215, 1000 mg/kg: no mortalities after 14 days
1470 mg/kg: 2/5 after 14 days
2150 mg/kg and 4640 mg/kg: all animals within 14 days

Female animals:
215 mg/kg: no deaths after 14 days
1000 mg/kg: 1/5 after 14 days
1470 mg/kg: 4/5 after 14 days
2150 and 4640 mg/kg: all animals died within 14 days
Clinical signs:
other: 1000, 1470, 2150 and 4640 mg/kg: dyspnea, apathy, abnormal position, staggering, atonia, pain reflexes missing, narcotic-like state, tremor, ruffled fur, exsiccosis, paresis, poor general state.
Gross pathology:
Animals that died: acute dilatation of the heart atrium; acute congestive hyperemia; liver: manifold slightly broadened peripheral lobule painting; stomach: manifold hemorrhagic corrosive scab formation; intestine: diffuse reddened mucosa.
Sacrificed animals - up to 1000 mg/kg: no abnormalities. 1470 mg/kg: stomach: top of the gastro-esophageal vestibule partly thickened and partly button formation; adhesions of the forestomach with the spleen, liver and peritoneum.

Applicant's summary and conclusion