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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Biodegradation in water: screening tests

Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Type of information:
migrated information: read-across based on grouping of substances (category approach)
Adequacy of study:
key study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: The study results have been reported in a review and it was not possible to evaluate the original study.

Data source

Reference
Reference Type:
review article or handbook
Title:
Biodegradation and Bioaccumulation of the Existing Chemical Substances under the Chemical Substances Control Law
Author:
National Institute of Technology and Evaluation.
Year:
2002
Bibliographic source:
U.S. Environmental Protection Agency, 2010. SCREENING-LEVEL HAZARD CHARACTERIZATION - Glycolic Acid (CASRN 79-14-1). Hazard Characterization Document

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
no data available
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Glycollic acid
EC Number:
201-180-5
EC Name:
Glycollic acid
Cas Number:
79-14-1
Molecular formula:
C2H4O3
IUPAC Name:
glycol acid
Constituent 2
Reference substance name:
2-hydroxyacetic acid
IUPAC Name:
2-hydroxyacetic acid
Constituent 3
Reference substance name:
Glycolic Acid
IUPAC Name:
Glycolic Acid
Test material form:
not specified

Study design

Oxygen conditions:
not specified
Inoculum or test system:
not specified
Duration of test (contact time):
14 d

Results and discussion

% Degradationopen allclose all
Parameter:
not specified
Value:
89.6
Sampling time:
7 d
Parameter:
not specified
Value:
86
Sampling time:
14 d

Any other information on results incl. tables

89.6% after 7 days (readily biodegradable)

86% after 14 days (readily biodegradable)

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Interpretation of results:
readily biodegradable
Conclusions:
Glycolic acid:
89.6% after 7 days (readily biodegradable)
86% after 14 days (readily biodegradable)