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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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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 is from Publication.

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
Acute dermal toxicity study of test chemical was performed in rodents.
Author:
CARPENTER et. al.
Year:
1974
Bibliographic source:
Toxicology and Applied Pharmacology
Reference Type:
other: authoritative database
Title:
Acute Dermal Toxicity in rodents
Author:
IFA GESTIS
Year:
2018
Bibliographic source:
IFA GESTIS, GESTIS SUBSTANCE Database, 2018.

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: as metioned below
Principles of method if other than guideline:
Acute dermal toxicity study of test chemical in rabbit.
GLP compliance:
not specified
Test type:
other: not specified
Limit test:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Dapsone
EC Number:
201-248-4
EC Name:
Dapsone
Cas Number:
80-08-0
Molecular formula:
C12H12N2O2S
IUPAC Name:
4,4'-Diaminodiphenyl Sulphone
Details on test material:
Name: 4,4'-Diamino diphenyl sulfone InChI: 1S/C12H12N2O2S/c13-9-1-5-11(6-2-9)17(15,16)12-7-3-10(14)4-8-12/h1-8H,13-14H2Smiles : S(c1ccc(N)cc1)(c1ccc(N)cc1)(=O)=O- Molecular formula (if other than submission substance):C12H12N2O2S- Molecular weight (if other than submission substance):248.305 g/mole- Substance type:organic- Physical state:solid

Test animals

Species:
rabbit
Strain:
not specified
Sex:
not specified
Details on test animals or test system and environmental conditions:
not specified

Administration / exposure

Type of coverage:
other: Dermal
Vehicle:
not specified
Details on dermal exposure:
not specified
Duration of exposure:
not specified
Doses:
4000 mg/kg
No. of animals per sex per dose:
not specified
Control animals:
not specified
Details on study design:
not specified
Statistics:
not specified

Results and discussion

Preliminary study:
not specified
Effect levels
Sex:
not specified
Dose descriptor:
LD50
Effect level:
> 4 000 mg/kg bw
Based on:
test mat.
Remarks on result:
other: No Mortality observed
Mortality:
No Mortality observed at 4000 mg/kg
Clinical signs:
not specified
Body weight:
not specified
Gross pathology:
not specified
Other findings:
not specified

Applicant's summary and conclusion

Interpretation of results:
Category 5 based on GHS criteria
Conclusions:
The LD50 was considered to be >4000 mg/kg bw, when rabbits were treated with test chemical by dermal application to the skin.
Executive summary:

Acute Dermal toxicity study was conducted in rabbits using test chemical at the concentration of 4000 mg/kg bw. No Mortality observed at 4000 mg/kg. Therefore, LD50 was considered to be >4000 mg/kg bw, when rabbits were treated with test chemical by dermal application to the skin.