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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
4 (not assignable)

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Annex V, C4-D
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
(2R,3R)-3-((R)-1-(tert-butyldimethylsiloxy)ethyl)-4-oxoazetidin-2-yl acetate
EC Number:
408-050-9
EC Name:
(2R,3R)-3-((R)-1-(tert-butyldimethylsiloxy)ethyl)-4-oxoazetidin-2-yl acetate
Cas Number:
76855-69-1
Molecular formula:
C13H25NO4Si
IUPAC Name:
(2R,3R)-3-[(1R)-1-[(tert-butyldimethylsilyl)oxy]ethyl]-4-oxoazetidin-2-yl acetate
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder

Study design

Duration of test (contact time):
28 d
Reference substance
Reference substance:
acetic acid, sodium salt

Results and discussion

% Degradation
Parameter:
not specified
Value:
14
Sampling time:
28 d
Details on results:
Point of degradation plot (test substance)
11% degradation after 5 d
13% degradation after 10 d
14% degradation after 15 d
14% degradation after 20 d
14% degradation after 28 d

BOD5 / COD results

Results with reference substance:
42% degradation after 5 d
48% degradation after 10 d
48% degradation after 15 d
46% degradation after 20 d
46% degradation after 28 d

Applicant's summary and conclusion

Interpretation of results:
other: not readily biodegradable