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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
key study
Study period:
2000-10-25 - 2000-11-27, final report 2001-01-03
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study and GLP

Data source

Referenceopen allclose all

Reference Type:
study report
Title:
Unnamed
Year:
2001
Report date:
2001
Reference Type:
other: raw data
Title:
Unnamed
Year:
2001
Report date:
2001

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)
Qualifier:
according to guideline
Guideline:
EU Method C.4-D (Determination of the "Ready" Biodegradability - Manometric Respirometry Test)
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
Active Matter = 98,4 %
Manufacturer: Organic Specialities Leicester
Batch No.: GN 1-56 39/62-88
Substance-No.: SAT 000926
ASS-No.: 0003880 2

Study design

Oxygen conditions:
aerobic
Inoculum or test system:
other: sewage treatment plant effluent/biological stage
Duration of test (contact time):
28 d
Initial test substance concentration
Initial conc.:
100 mg/L
Parameter followed for biodegradation estimation
Parameter followed for biodegradation estimation:
O2 consumption

Results and discussion

% Degradation
Value:
0
Sampling time:
28 d
Details on results:
The reference substance was Sodium acetate-3-hydrate (SAT 981175) and reached 89% BOD/ThOD after 28 days (limiting value 60% BOD/ThOD after 14 days).

Any other information on results incl. tables

Ecolog Transfer, EcoNr: (10063)

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Interpretation of results:
other: poorly biodegradable under pertaining test conditions
Conclusions:
RO 1525 was tested in the Manometric Respirometry Test (Trial-No. 65) with a result of <10 % after 28 days. RO 1525 was poorly biodegradable under pertaining test conditions.
Executive summary:

RO 1525 was tested in the Manometric Respirometry Test (Trial-No. 65) with a result of <10 % after 28 days. RO 1525 was poorly biodegradable under pertaining test conditions.