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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
experimental study
Adequacy of study:
key study
Reliability:
other: part of the SNIF file, no further data
Rationale for reliability incl. deficiencies:
other: Part of the SNIF file, which was accepted by the UK national authority for NONS

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1992
Report date:
1992

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: OECD Guidelines for Testing of Chemicals (2006) No. 310 "Water quality- Evaluation of ultimate aerobic biodegradability or organic compounds in aqueous medium- Method by analysis of inorganic carbon in sealed vessels (CO2 headspace test)"
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Reference substance
Reference substance:
other: Sodium benzoate

Results and discussion

% Degradation
Value:
75
Sampling time:
28 d
Details on results:
Points of degradation plot (test substance):
2 % degradation after 2 d
40 % degradation after 6 d
52 % degradation after 8 d
50 % degradation after 10 d
50 % degradation after 14 d
47 % degradation after 17 d
44 % degradation after 21 d
71 % degradation after 24 d
75 % degradation after 28 d

BOD5 / COD results

Results with reference substance:
Points of degradation plot (reference substance):
64 % degradation after 2 d
71 % degradation after 6 d
65 % degradation after 8 d
80 % degradation after 10 d
71 % degradation after 14 d
75 % degradation after 17 d
71 % degradation after 21 d
71 % degradation after 24 d
78 % degradation after 28 d

Any other information on results incl. tables

Part of the SNIF file, which was accepted by the UK national authority for NONS

Applicant's summary and conclusion

Interpretation of results:
readily biodegradable