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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study perfomed according to ISO standard, but not in GLP

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1993

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
ISO 7827 (Evaluation in an Aqueous Medium of the "Ultimate" Aerobic Biodegradability of Organic Compounds - Method by Analysis of Dissolved Organic Carbon (DOC))
Deviations:
no
GLP compliance:
yes

Test material

Constituent 1
Reference substance name:
Substance sodium salt by neutralization with sodium bicarbonate
IUPAC Name:
Substance sodium salt by neutralization with sodium bicarbonate
Test material form:
solid: crystalline

Study design

Oxygen conditions:
aerobic
Inoculum or test system:
sewage, domestic, non-adapted
Duration of test (contact time):
28 d
Parameter followed for biodegradation estimation
Parameter followed for biodegradation estimation:
CO2 evolution

Results and discussion

% Degradation
Parameter:
% degradation (CO2 evolution)
Value:
98
Sampling time:
28 d

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Interpretation of results:
readily biodegradable
Conclusions:
The substance is readily biodegradable