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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Study period:
2010
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report date:
2010

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
(2S)-2-[[(2S)-1-ethoxy-1-oxopentan-2-yl]amino]propanoic acid
EC Number:
617-393-5
Cas Number:
82834-12-6
Molecular formula:
C10 H19 N O4
IUPAC Name:
(2S)-2-[[(2S)-1-ethoxy-1-oxopentan-2-yl]amino]propanoic acid
Test material form:
solid: crystalline
Details on test material:
White powder
Specific details on test material used for the study:
batch 560661/037

Study design

Oxygen conditions:
aerobic
Inoculum or test system:
activated sludge, adapted
Duration of test (contact time):
ca. 28 d
Initial test substance concentration
Initial conc.:
ca. 25.1 mg/L
Based on:
test mat.

Results and discussion

% Degradationopen allclose all
Key result
Parameter:
% degradation (CO2 evolution)
Value:
ca. 23
Sampling time:
10 d
Key result
Parameter:
% degradation (CO2 evolution)
Value:
ca. 39
Sampling time:
28 d

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Interpretation of results:
not readily biodegradable
Conclusions:
The test item CARBANINE is not readily biodegradable