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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

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:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1983
Report date:
1983

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 401 (Acute Oral Toxicity)
GLP compliance:
yes
Test type:
standard acute method

Test material

Constituent 1
Chemical structure
Reference substance name:
4-chlorobenzoyl chloride
EC Number:
204-515-3
EC Name:
4-chlorobenzoyl chloride
Cas Number:
122-01-0
Molecular formula:
C7H4Cl2O
IUPAC Name:
4-chlorobenzoyl chloride
Details on test material:
Purity > 99%

Test animals

Species:
rat
Strain:
Wistar
Sex:
male/female
Details on test animals or test system and environmental conditions:
TEST ANIMALS
- Source: HOECHST AG, Kastengrund, SPF-Zucht
- Age at study initiation: no data
- Weight at study initiation: males: 188 g - 225 g (average 204 g); females: 185 g - 218 g (average 197 g)
- Fasting period before study: about 16 hours
- Housing: 5 animals per makrolon cage
- Diet: Altromin 1324 rat diet, ad libitum
- Water (e.g. ad libitum): tap water, ad libitum
- Acclimation period: at least 5 days


ENVIRONMENTAL CONDITIONS
- Temperature (°C): 22 +/- 2°C
- Humidity (%): 55 +/- 10%
- Air changes (per hr): no data
- Photoperiod: 12 hrs dark / 12 hrs light

Administration / exposure

Route of administration:
oral: gavage
Vehicle:
other: Sesame oil
Details on oral exposure:
- Concentration in vehicle: 25%
MAXIMUM DOSE VOLUME APPLIED: 6.4, 10.0, 11.6, 12.6, 14.2, 16.0 ml/kg bw
Doses:
1600, 2500, 2800, 3150, 3550, 4000 mg/kg bw
No. of animals per sex per dose:
5
Details on study design:
- Duration of observation period following administration: 14 days
- Frequency of weighing: weekly
- Necropsy of survivors performed: yes
- Other examinations performed: clinical signs, body weight, gross pathology, histopathology

Results and discussion

Effect levelsopen allclose all
Sex:
male
Dose descriptor:
LD50
Effect level:
3 150 mg/kg bw
Based on:
test mat.
95% CL:
2 730 - 3 940
Sex:
female
Dose descriptor:
LD50
Effect level:
3 260 mg/kg bw
Based on:
test mat.
95% CL:
2 470 - 3 750
Sex:
male/female
Dose descriptor:
LD50
Effect level:
3 200 mg/kg bw
Based on:
test mat.
95% CL:
2 870 - 3 510

Applicant's summary and conclusion

Interpretation of results:
not classified
Remarks:
Migrated information Criteria used for interpretation of results: EU
Conclusions:
The LD50 value for acute oral toxicity is 3150 mg/kg bw in male Wistar rats and 3260 mg/kg bw in female Wistar rats.