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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:
1987
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
abstract

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1987
Report date:
1987

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
method not detailled in the supplied test report
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
(ethyl-3-oxobutanoato-O'1,O'3)(2-dimethylaminoethanolato)(1-methoxypropan-2-olato)aluminium(III), dimerised
EC Number:
402-370-2
EC Name:
(ethyl-3-oxobutanoato-O'1,O'3)(2-dimethylaminoethanolato)(1-methoxypropan-2-olato)aluminium(III), dimerised
Cas Number:
149057-70-5
Molecular formula:
C14H28AlNO6
IUPAC Name:
octaaluminium(3+) octakis((2Z)-4-ethoxy-4-oxobut-2-en-2-olate) octakis(1-methoxypropan-2-olate) octakis(2-(dimethylamino)ethan-1-olate)
impurity 1
Chemical structure
Reference substance name:
1-methoxypropan-2-ol
EC Number:
203-539-1
EC Name:
1-methoxypropan-2-ol
Cas Number:
107-98-2
Molecular formula:
C4H10O2
IUPAC Name:
1-methoxypropan-2-ol
Test material form:
liquid
Details on test material:
purified with vacum distillation, analyzed by Gel permeation chromatography as stated in one of the study reports

Study design

Inoculum or test system:
not specified

Results and discussion

% Degradationopen allclose all
Key result
Parameter:
other: % degradation, parameter followed not specified
Remarks:
test concentration 14.3mg/L
Value:
ca. 55
Sampling time:
28 d
Key result
Parameter:
other: % degradation, parameter followed not specified
Remarks:
test concentration 30mg/L
Value:
ca. 71.2
Sampling time:
28 d

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Interpretation of results:
not readily biodegradable
Conclusions:
55% degradation is achieved at test concentration of 14.3 mg/L, 71.2% at 30mg/L. Test indiciate the substance and its hydrolysis products are likely to be substantially biodegraded in the environnement.
Executive summary:

55% degradation is achieved at test concentration of 14.3 mg/L, 71.2% at 30mg/L. Test indiciate the substance and its hydrolysis products are likely to be substantially biodegraded in the environnement.