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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 435-990-7 | CAS number: 371921-34-5
Skin irritation / corrosion
Administrative data
- Endpoint:
- skin irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From February 6 to February 26, 2001
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 001
- Report date:
- 2001
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion)
- Version / remarks:
- 1992
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
- Version / remarks:
- 1992
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- Yellow 981
- IUPAC Name:
- Yellow 981
- Test material form:
- solid: particulate/powder
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- New Zealand White
Test system
- Type of coverage:
- semiocclusive
- Preparation of test site:
- clipped
- Remarks:
- intact left flank
- Vehicle:
- other: moistened with bi-distilled water
- Controls:
- yes, concurrent no treatment
- Amount / concentration applied:
- 0.5 g
- Duration of treatment / exposure:
- 4 hours
- Observation period:
- 14 days, with observations and scoring for reactions at 1, 24, 48 and 72 hours and 7, 10 and 14 days after removal of bandage
- Number of animals:
- 1 male and 2 female animals
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- erythema score
- Basis:
- animal #1
- Time point:
- 24/48/72 h
- Score:
- 0.33
- Max. score:
- 1
- Reversibility:
- fully reversible within: 48 hours
- Irritation parameter:
- erythema score
- Basis:
- animal #2
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 0
- Irritation parameter:
- erythema score
- Basis:
- animal #3
- Time point:
- 24/48/72 h
- Score:
- 0.67
- Max. score:
- 1
- Reversibility:
- fully reversible within: 72 hours
- Irritation parameter:
- edema score
- Basis:
- animal: #1, #2, #3
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 0
- Other effects:
- No mortality occurred during the sstudy period. Body weights were within the normal range of variability. Clinical signs were limited to light orange coloured staining, caused by the test item, evident at the test site of all animals. The staining was present throughout the 14-day observation period in the two females and up to 10 days in the male.
Applicant's summary and conclusion
- Interpretation of results:
- other: not classified according to the CLP Regulation (EC 1272/2008)
- Conclusions:
- Very slightly irritating to rabbit skin.
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.
