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Environmental fate & pathways

Biodegradation in water: screening tests

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Administrative data

Endpoint:
biodegradation in water: screening tests
Adequacy of study:
other information
Study period:
1993-11-08 - 1993-12-08

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1994
Report date:
1994

Materials and methods

Test material

Constituent 1
Chemical structure
Reference substance name:
2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-methoxyphenyl)-3-oxobutyramide]
EC Number:
250-797-6
EC Name:
2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-methoxyphenyl)-3-oxobutyramide]
Cas Number:
31775-16-3
Molecular formula:
C34H30Cl2N6O6
IUPAC Name:
2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-methoxyphenyl)-3-oxobutyramide]

Study design

Duration of test (contact time):
28
Initial test substance concentration
Initial conc.:
33.8 mg/L

Results and discussion

Preliminary study:
not applicable
Test performance:
not applicable
% Degradation
Value:
1
Sampling time:
28 d

BOD5 / COD results

Results with reference substance:
Sodium benzoate attained 86% degradation after 28 days thereby confirming the suitability of the inoculum and test conditions.

Applicant's summary and conclusion