Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Phototransformation in air

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Administrative data

Endpoint:
phototransformation in air
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Japanese government peer-reviewed the documents, audited selected studies.

Data source

Reference
Reference Type:
review article or handbook
Title:
SIDS Dossier Methacrylamide CAS: 79-39-0
Author:
Mitsui Inc., Japan
Year:
2002
Bibliographic source:
SIDS Dossier Mitsui Inc., Japan, last update 30.04.2002

Materials and methods

Principles of method if other than guideline:
Method (calculated): SRC AOP Ver.190 (USEPA)
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Methacrylamide
EC Number:
201-202-3
EC Name:
Methacrylamide
Cas Number:
79-39-0
Molecular formula:
C4H7NO
IUPAC Name:
methacrylamide

Study design

Light source:
sunlight

Results and discussion

Any other information on results incl. tables

Result:
INDIRECT PHOTOLYSIS
-Sensitizer: OH
-Concentration of sensitizer: 1.5X10E-6 hydroxyl radical/cm³
-Rate constant: 20.1x10E-12 cm³/molecule-sec
-Degradation: half-life is 0.531 day

Applicant's summary and conclusion