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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Hydrolysis

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Administrative data

Endpoint:
hydrolysis
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
secondary literature

Data source

Referenceopen allclose all

Reference Type:
secondary source
Title:
Aquatic Risk Assessment of Acrylates and Methacrylates in Household Consumer Products Reaching Municipal Wastewater Treatment Plants
Author:
J.D. Hamilton, K.H. Reinert, J.E. McLaughlin
Year:
1995
Bibliographic source:
Environmental Technology, 16, 715-727
Reference Type:
secondary source
Title:
SIDS Initial Assessment Profile, 2-Propenoic acid (acrylic acid), CAS No. 79-10-7
Author:
OECD
Year:
2001
Bibliographic source:
SIDS Initial Assessment Profile - SIAM 13, 6-9 November 2001

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EPA OTS 796.3500 (Hydrolysis as a Function of pH at 25°C)
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Acrylic acid
EC Number:
201-177-9
EC Name:
Acrylic acid
Cas Number:
79-10-7
Molecular formula:
C3H4O2
IUPAC Name:
acrylic acid
Test material form:
liquid
Radiolabelling:
not specified

Study design

Analytical monitoring:
not specified

Results and discussion

Transformation products:
not specified

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
Acrylic acid was determined to be stable at pH 3, 7 and 11. Estimated hydrolysis half-life values in sterile water were 3 years or more.
Executive summary:

The hydrolytic stability of acrylic acid was investigated in a study performed according to standard methods. Acrylic acid was determined to be stable at pH 3, 7 and 11.