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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Skin irritation / corrosion

Currently viewing:

Administrative data

Endpoint:
skin irritation: in vivo
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment
Justification for type of information:
data is from safety assessment reports

Data source

Reference
Reference Type:
secondary source
Title:
Acute oral toxicity study in rats
Author:
Commission of the European Communities
Year:
1988
Bibliographic source:
Scientific Committee on Cosmetology (seventh series)

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: as mentioned below
Principles of method if other than guideline:
To assess the skin irritation potential of the test chemical in rabbits
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Hydrogen [4-[4-(diethylamino)-2',4'-disulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium, sodium salt
EC Number:
204-934-1
EC Name:
Hydrogen [4-[4-(diethylamino)-2',4'-disulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium, sodium salt
Cas Number:
129-17-9
Molecular formula:
C27H32N2O6S2.Na
IUPAC Name:
hydrogen [4-[4-(diethylamino)-2',4'-disulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium, sodium salt
Test material form:
solid
Details on test material:
- Name of test material (as cited in study report): Patent Blue V- Molecular formula : C27H31N2O6S2.NaC27H32N2O6S2.Na - Molecular weight : 566.672 g/mole- Substance type: Organic- Physical state: Solid

Test animals

Species:
rabbit
Strain:
not specified
Details on test animals or test system and environmental conditions:
no data available

Test system

Type of coverage:
not specified
Preparation of test site:
not specified
Vehicle:
other: saline
Controls:
not specified
Amount / concentration applied:
0. 5 ml of saturated solution in saline
Duration of treatment / exposure:
no data available
Observation period:
no data available
Number of animals:
no data available
Details on study design:
no data available

Results and discussion

In vivo

Results
Irritation parameter:
overall irritation score
Basis:
mean
Time point:
other: not mentioned
Score:
0
Remarks on result:
no indication of irritation
Irritant / corrosive response data:
No irritation was observed

Applicant's summary and conclusion

Interpretation of results:
other: not irritating
Conclusions:
The test chemical was observed to be not irritating to rabbit skin.
Executive summary:

A skin irritation study was conducted in rabbits to observe the irritation potential of the test chemical.

0. 5 ml of a saturated solution of the test chemical in saline was applied to rabbit skin (site not specified) and effects were observed (duration not specified).

The test chemical was observed to be not irritating to rabbit skin.