Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 610-950-3 | CAS number: 53056-20-5
Acute Toxicity: oral
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:
- other: GLP study according OECD/EU guideline
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 001
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.1 (Acute Toxicity (Oral))
- GLP compliance:
- yes (incl. QA statement)
- Test type:
- acute toxic class method
- Limit test:
- yes
Test material
- Reference substance name:
- 2,4-dichlorophenylacetic acid
- EC Number:
- 243-248-7
- EC Name:
- 2,4-dichlorophenylacetic acid
- Cas Number:
- 19719-28-9
- Molecular formula:
- C8H6Cl2O2
- IUPAC Name:
- (2,4-dichlorophenyl)acetic acid
Constituent 1
Test animals
- Species:
- rat
- Strain:
- Wistar
- Sex:
- male/female
Administration / exposure
- Route of administration:
- oral: gavage
- Vehicle:
- other: Cremophor EL 2 % (V/V) in water
- Doses:
- 2000 mg/kg bw
- No. of animals per sex per dose:
- 3
- Control animals:
- no
Results and discussion
Effect levelsopen allclose all
- Sex:
- male
- Dose descriptor:
- LD50
- Effect level:
- > 2 500 mg/kg bw
- Based on:
- test mat.
- Sex:
- female
- Dose descriptor:
- LD50
- Effect level:
- > 2 500 mg/kg bw
- Based on:
- test mat.
- Mortality:
- No animal died during the study.
- Clinical signs:
- other: At the dose of 2000 mg/kg body weight in both sexes the motility and reactivity were decreased and gait uncoordinated, and in males also water intake and excretion of urine were increased. One male (no.4) showed additionally labored breathing, hypostenia
- Gross pathology:
- No gross pathologic changes were observed in animals sacrificed at the end of the study period.
Applicant's summary and conclusion
- Interpretation of results:
- not classified
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
