Registration Dossier
Registration Dossier
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EC number: 237-721-7 | CAS number: 13940-94-8
Acute Toxicity: oral
Administrative data
- Endpoint:
- acute toxicity: oral
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 983
- 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
- Reference substance name:
- 4-chloro-1-(dichloromethyl)benzene
- EC Number:
- 237-721-7
- EC Name:
- 4-chloro-1-(dichloromethyl)benzene
- Cas Number:
- 13940-94-8
- Molecular formula:
- C7H5Cl3
- IUPAC Name:
- 1-chloro-4-(dichloromethyl)benzene
- Details on test material:
- Purity > 99%
Constituent 1
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: 192 g - 225 g (average 208 g); females: 189 g - 221 g (average 209 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 +/- 3°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: 4.0, 6.4, 8.0, 10.0, 12.6, 16.0, 20.0 ml/kg bw
- Doses:
- 1000, 1600, 2000, 2500, 3150, 4000, 5000 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:
- 2 060 mg/kg bw
- Based on:
- test mat.
- 95% CL:
- > 1 570 - < 2 730
- Sex:
- female
- Dose descriptor:
- LD50
- Effect level:
- 1 910 mg/kg bw
- Based on:
- test mat.
- 95% CL:
- > 1 200 - < 2 630
- Sex:
- male/female
- Dose descriptor:
- LD50
- Effect level:
- 2 000 mg/kg bw
- Based on:
- test mat.
- 95% CL:
- > 1 640 - < 2 360
Applicant's summary and conclusion
- Interpretation of results:
- harmful
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
- Conclusions:
- The LD50 value for acute oral toxicity is 2060 mg/kg bw in male Wistar rats and 1910 mg/kg bw in female Wistar rats.
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