Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

Administrative data

Endpoint:
biodegradation in water: screening test, other
Type of information:
experimental study
Adequacy of study:
weight of evidence
Study period:
1976
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1976
Report date:
1976

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: DIN H41
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4-(benzoylamino)-6-[[5-[[(5-chloro-2,6-difluoro-4-pyrimidinyl)amino]methyl]-1-sulpho-2-naphthyl]azo]-5-hydroxynaphthalene-1,7-disulphonic acid, lithium sodium salt
EC Number:
280-426-3
EC Name:
4-(benzoylamino)-6-[[5-[[(5-chloro-2,6-difluoro-4-pyrimidinyl)amino]methyl]-1-sulpho-2-naphthyl]azo]-5-hydroxynaphthalene-1,7-disulphonic acid, lithium sodium salt
Cas Number:
83400-11-7
Molecular formula:
C32 H21 Cl F2 N6 O11 S3 . x Li . x Na C32H(21-x-y)ClF2Li(x)N6Na(y)O11S3
IUPAC Name:
4-(benzoylamino)-6-[[5-[[(5-chloro-2,6-difluoro-4-pyrimidinyl)amino]methyl]-1-sulpho-2-naphthyl]azo]-5-hydroxynaphthalene-1,7-disulphonic acid, lithium sodium salt
Test material form:
solid: particulate/powder
Details on test material:
Reactive Red 158

Study design

Oxygen conditions:
other: CSB
Inoculum or test system:
not specified
Initial test substance concentration
Initial conc.:
1 g/L
Based on:
test mat.
Parameter followed for biodegradation estimation
Parameter followed for biodegradation estimation:
O2 consumption
Remarks:
COD

Results and discussion

% Degradation
Remarks on result:
other: COD

BOD5 / COD results

BOD5 / COD
Parameter:
COD
Value:
952 mg O2/g test mat.

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Interpretation of results:
under test conditions no biodegradation observed
Conclusions:
The substance has an expected BOD5 of 0. The COD was determined at 952 mg/g test material. The substance is not expected to show any potential for biodegradation.