Registration Dossier
Registration Dossier
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: 200-237-1 | CAS number: 55-55-0
Acute Toxicity: dermal
Administrative data
- Endpoint:
- acute toxicity: dermal
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
- Justification for type of information:
- Data from secondary source
Data source
Reference
- Reference Type:
- secondary source
- Title:
- Acute dermal toxicity for CAS no: 55-55-0
- Author:
- U.S. National Library of Medicine
- Year:
- 2 017
- Bibliographic source:
- ChemIDplusA TOXNET Database, 2017
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- other: As mentioned below
- Principles of method if other than guideline:
- Acute dermal toxicity study of 4-Methylaminophenol sulphate was performed in guinea pig
- GLP compliance:
- not specified
- Test type:
- other: not specified
- Limit test:
- no
Test material
- Reference substance name:
- Bis(4-hydroxy-N-methylanilinium) sulphate
- EC Number:
- 200-237-1
- EC Name:
- Bis(4-hydroxy-N-methylanilinium) sulphate
- Cas Number:
- 55-55-0
- Molecular formula:
- C14H20N2O6S
- IUPAC Name:
- bis(4-hydroxy-N-methylanilinium) sulfate
- Test material form:
- solid: crystalline
- Details on test material:
- - Name of test material: p-Methylaminophenol sulfate
- IUPAC name: Bis(4-hydroxy-N-methylanilinium) sulphate
- Molecular formula: C14H20N2O6S
- Molecular weight: 344.386 g/mole
- Smiles:CNc1ccc(cc1)O.CNc1ccc(cc1)O.OS(=O)(=O)O
- Inchl: 1S/2C7H9NO.H2O4S/c2*1-8-6-2-4-7(9)5-3-6;1-5(2,3)4/h2*2-5,8-9H,1H3;(H2,1,2,3,4)
- Substance type: Organic
- Physical state: Solid crystalline (off white - white)
Constituent 1
- Specific details on test material used for the study:
- - Name of test material: p-Methylaminophenol sulfate- IUPAC name: Bis(4-hydroxy-N-methylanilinium) sulphate- Molecular formula: C14H20N2O6S- Molecular weight: 344.386 g/mole- Smiles:CNc1ccc(cc1)O.CNc1ccc(cc1)O.OS(=O)(=O)O- Inchl: 1S/2C7H9NO.H2O4S/c2*1-8-6-2-4-7(9)5-3-6;1-5(2,3)4/h2*2-5,8-9H,1H3;(H2,1,2,3,4)- Substance type: Organic- Physical state: Solid crystalline (off white - white)
Test animals
- Species:
- guinea pig
- Strain:
- not specified
- Sex:
- not specified
- Details on test animals or test system and environmental conditions:
- No data available
Administration / exposure
- Type of coverage:
- other: Dermal
- Vehicle:
- not specified
- Details on dermal exposure:
- No data available
- Duration of exposure:
- No data available
- Doses:
- 1000mg/kg
- No. of animals per sex per dose:
- No data available
- Control animals:
- not specified
- Details on study design:
- No data available
- Statistics:
- No data available
Results and discussion
- Preliminary study:
- No data available
Effect levels
- Sex:
- not specified
- Dose descriptor:
- LD50
- Effect level:
- > 1 000 mg/kg bw
- Based on:
- test mat.
- Remarks on result:
- other: No mortality was observed
- Mortality:
- No mortality was observed
- Clinical signs:
- other: No data available
- Gross pathology:
- No data available
- Other findings:
- No data available
Applicant's summary and conclusion
- Interpretation of results:
- other: Not classified
- Conclusions:
- The LD50 value was considered to be >1000mg/kg bw. When guinea pigs were treated with 4-Methylaminophenol sulphate (55-55-0) by dermal application
- Executive summary:
Acute dermal toxicity study was done in guinea pig using 4-Methylaminophenol sulphate (55-55-0).No mortality was observed at dose 1000 mg/kg bw. HenceThe LD50 value was considered to be >1000mg/kg bw. When guinea pigs were treated with4-Methylaminophenol sulphate (55-55-0) by dermal application.
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.
