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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Additional physico-chemical information

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Administrative data

Endpoint:
other: water sorption
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Reference
Reference Type:
publication
Title:
Comparison of water sorption by methacrylate and dimethacrylate monomers and their corresponding polymers
Author:
Kalachandra S., Kusy R.P.
Year:
1991
Bibliographic source:
Polymer 32(13): 2428 - 2434 (1991)

Materials and methods

GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Methyl methacrylate
EC Number:
201-297-1
EC Name:
Methyl methacrylate
Cas Number:
80-62-6
Molecular formula:
C5H8O2
IUPAC Name:
methyl 2-methylprop-2-enoate
Test material form:
liquid

Results and discussion

Results:
The water sorption of Methyl methacrylate was determined by Karl-Fischer analysis. The equilibrium water uptake of MMA measured in desorption at 37 °C was 1.03 % and for Poly-MMA 2.3 % respectively.
Diffusion coefficient D: 5.1 x 10E8 cm2 x s-1

Applicant's summary and conclusion