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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Test was conducted according to EEC C7 and compliant with GLP. Read-across from supporting substance (structure analogue or surrogate). Test substance (source substance): EC No. 402-990-3

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1989

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: EEC C7
GLP compliance:
yes

Test material

Constituent 1
Reference substance name:
Reaction mass mainly based on 2,3-dihydro-6-(2-hydroxy-2-methyl-1-oxopropyl)-1,1,3-trimethyl-3-[4-(2-hydroxy-2-methyl-1-oxopropyl)phenyl]-1H-indene and 2,3-dihydro-5-(2-hydroxy-2-methyl-1-oxopropyl)-1,1,3-trimethyl-3-[4-(2-hydroxy-2-methyl-1-oxopropyl)phenyl]-1H-indene
IUPAC Name:
Reaction mass mainly based on 2,3-dihydro-6-(2-hydroxy-2-methyl-1-oxopropyl)-1,1,3-trimethyl-3-[4-(2-hydroxy-2-methyl-1-oxopropyl)phenyl]-1H-indene and 2,3-dihydro-5-(2-hydroxy-2-methyl-1-oxopropyl)-1,1,3-trimethyl-3-[4-(2-hydroxy-2-methyl-1-oxopropyl)phenyl]-1H-indene
Constituent 2
Reference substance name:
A mixture mainly based on: 2,3-dihydro-6-(2-hydroxy-2-methyl-1-oxopropyl)-1,1,3-trimethyl-3-[4-(2-hydroxy-2-methyl-1-oxopropyl)phenyl]-1H-indene; 2,3-dihydro-5-(2-hydroxy-2-methyl-1-oxopropyl)-1,1,3-trimethyl-3-[4-(2-hydroxy-2-methyl-1-oxopropyl)phenyl]-1H-indene
EC Number:
402-990-3
EC Name:
A mixture mainly based on: 2,3-dihydro-6-(2-hydroxy-2-methyl-1-oxopropyl)-1,1,3-trimethyl-3-[4-(2-hydroxy-2-methyl-1-oxopropyl)phenyl]-1H-indene; 2,3-dihydro-5-(2-hydroxy-2-methyl-1-oxopropyl)-1,1,3-trimethyl-3-[4-(2-hydroxy-2-methyl-1-oxopropyl)phenyl]-1H-indene
IUPAC Name:
402-990-3

Study design

Duration of test (contact time):
28 d
Reference substance
Reference substance:
other: Sodium acetate

Results and discussion

% Degradation
Parameter:
not specified
Value:
1.8
Sampling time:
28 d
Details on results:
Points of degradation plot (test substance):
0% degradation after 5 d
2% degradation after 10 d
0% degradation after 15 d
2% degradation after 20 d
2% degradation after 25 d
2% degradation after 28 d

BOD5 / COD results

Results with reference substance:
55% degradation after 5 d
78% degradation after 10 d
77% degradation after 15 d
77% degradation after 20 d
77% degradation after 25 d
77% degradation after 30 d

Applicant's summary and conclusion

Interpretation of results:
other: not readily biodegradable
Conclusions:
The test substance is not readily biodegradable.