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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 220-237-5 | CAS number: 2680-03-7
Eye irritation
Administrative data
- Endpoint:
- eye irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Near-guideline study, available as published report, no restrictions, fully adequate for assessment.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 992
- Report date:
- 1992
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 405 (Acute Eye Irritation / Corrosion)
- GLP compliance:
- no
Test material
- Reference substance name:
- N,N-dimethylacrylamide
- EC Number:
- 220-237-5
- EC Name:
- N,N-dimethylacrylamide
- Cas Number:
- 2680-03-7
- Molecular formula:
- C5H9NO
- IUPAC Name:
- N,N-dimethylacrylamide
- Details on test material:
- - Name of test material (as cited in study report): N,N-dimethylacrylamide
- Purity: >98.5%
Constituent 1
Test animals / tissue source
- Species:
- rabbit
- Strain:
- not specified
Test system
- Vehicle:
- unchanged (no vehicle)
- Controls:
- other: untreated eye of the same animal
- Amount / concentration applied:
- TEST MATERIAL
- Amount(s) applied: 0.1 mL - Duration of treatment / exposure:
- one single instillation
- Observation period (in vivo):
- 24, 48 and 72 hours
- Number of animals or in vitro replicates:
- 6
- Details on study design:
- SCORING SYSTEM: Draize
TOOL USED TO ASSESS SCORE: fluorescein and ultraviolet light
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- cornea opacity score
- Basis:
- mean
- Time point:
- other: 24, 48, 72 h
- Score:
- 1
- Max. score:
- 4
- Reversibility:
- not fully reversible within: 72 hours
- Irritation parameter:
- iris score
- Basis:
- mean
- Time point:
- other: 24, 48, 72 h
- Score:
- 0.17
- Max. score:
- 2
- Reversibility:
- fully reversible within: 72 hours. Effects were observed in 1/6 animals.
- Irritation parameter:
- conjunctivae score
- Basis:
- mean
- Time point:
- other: 24, 48, 72 h
- Score:
- 1.2
- Max. score:
- 3
- Reversibility:
- not fully reversible within: 72 hours
- Irritation parameter:
- chemosis score
- Basis:
- mean
- Time point:
- other: 24, 48, 72 h
- Score:
- 2.4
- Max. score:
- 4
- Reversibility:
- not fully reversible within: 72 hours
Applicant's summary and conclusion
- Interpretation of results:
- Category 1 (irreversible effects on the eye)
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
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.
