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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline study with acceptable restrictions

Data source

Reference
Reference Type:
other: inqurity result from ECHA
Title:
Unnamed
Year:
2012

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: EEC Dir. 84/449, Annex V, C.5.:Modified Sturm Test.
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
A mixture of: bis[4-diphenylsulfoniumphenyl]sulfide-bishexafluoroantimonate; thiophenoxyphenylsulfonium hexafluoroantimonate
EC Number:
403-500-0
EC Name:
A mixture of: bis[4-diphenylsulfoniumphenyl]sulfide-bishexafluoroantimonate; thiophenoxyphenylsulfonium hexafluoroantimonate
Cas Number:
159120-95-3
Molecular formula:
not applicable-multi-constituent substance
IUPAC Name:
(4-{[4-(diphenylsulfaniumyl)phenyl]sulfanyl}phenyl)diphenylsulfanium; diphenyl[4-(phenylsulfanyl)phenyl]sulfanium; tris(hexafluorostibanuide)

Study design

Reference substance
Reference substance:
other: sodium acetate

Results and discussion

% Degradation
Value:
> 60
Sampling time:
28 d
Remarks on result:
other: Parameter is not provided by inquiry.
Details on results:
Points of degradation plot (test substance):

3.6 % degradation after 2 d
3.6 % degradation after 5 d
4.9 % degradation after 7 d
15.6 % degradation after 9 d
22.4 % degradation after 12d
30.3 % degradation after 16d
43.5 % degradation after 21 d
56% degradation after 28d
61.4 % degradation after 28d
66% degradation after 28 d
2.7 % degradation after 5 d
5.9 % degradation after 7 d
10% degradation after 9 d
18.3 % degradation after 12d
26.1 % degradation after 16d
30.7 % degradation after 21 d
35.6 % degradation after 28d
37% degradation after 28d
37.9 % degradation after 28d

BOD5 / COD results

Results with reference substance:
Points of degradation plot (reference substance):

11.7 % degradation after 2 d
29.8 % degradation after 5 d
40.3 % degradation after7 d
50% degradation after 9 d
81.9 % degradation after 12d
89.9 % degradation after 16d
89.9 % degradation after 21 d
90.9 % degradation after 28d
91.4 % degradation after 28d
91.7 % degradation after 28d

Applicant's summary and conclusion

Interpretation of results:
other: not readily biodegradable