Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

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:
2017
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

Constituent 1
Chemical structure
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)
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.