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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1982
Report date:
1982

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)

Test material

Constituent 1
Chemical structure
Reference substance name:
3,4-dichlorotoluene
EC Number:
202-447-9
EC Name:
3,4-dichlorotoluene
Cas Number:
95-75-0
Molecular formula:
C7H6Cl2
IUPAC Name:
1,2-dichloro-4-methylbenzene
Constituent 2
Reference substance name:
Benzene, 1,2-dichloro-4-methyl-
IUPAC Name:
Benzene, 1,2-dichloro-4-methyl-

Study design

Oxygen conditions:
aerobic

Results and discussion

% Degradationopen allclose all
Value:
< 10
Sampling time:
5 d
Value:
< 10
Sampling time:
10 d
Value:
< 10
Sampling time:
15 d
Value:
< 10
Sampling time:
20 d

Applicant's summary and conclusion

Conclusions:
The test item is not readily biodegradable.