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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
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EC number: 201-204-4 | CAS number: 79-41-4
Other distribution data
Administrative data
- Endpoint:
- other distribution data
- Type of information:
- calculation (if not (Q)SAR)
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- accepted calculation method
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
- Year:
- 2 010
Materials and methods
- Principles of method if other than guideline:
- Volatilisation from model river/lake usint the EpiSuite 4.0 model (US-EPA 2008)
- GLP compliance:
- no
- Type of study:
- volatility
- Media:
- water - air
Test material
- Reference substance name:
- Methacrylic acid
- EC Number:
- 201-204-4
- EC Name:
- Methacrylic acid
- Cas Number:
- 79-41-4
- Molecular formula:
- C4H6O2
- IUPAC Name:
- methacrylic acid
Constituent 1
- Specific details on test material used for the study:
- O=C(O)C(=C)C
Results and discussion
Any other information on results incl. tables
Volatilization From Water
=========================
RIVER LAKE
--------- ---------
Water Depth (meters): 1 1
Wind Velocity (m/sec): 5 0.5
Current Velocity (m/sec): 1 0.05
HALF-LIFE (hours) : 1401 15360
HALF-LIFE (days) : 58.38 640.1
HALF-LIFE (years) : 0.1598 1.752
Applicant's summary and conclusion
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.
