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Environmental fate & pathways

Biodegradation in water and sediment: simulation tests

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Administrative data

Endpoint:
biodegradation in water and sediment: simulation tests
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
other: Prediction model
Title:
Biodegradation in water and sediment : simulation tests by Environmental Science Center’s PBT profiler
Author:
Environmental Science Center
Year:
2010
Bibliographic source:
PBT profiler, Office of Chemical Safety and Pollution Prevention , U.S. Environmental Protection Agency; version 1.301

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Modelling database
Principles of method if other than guideline:
PBT profiler database
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Trichloroacetyl chloride
EC Number:
200-926-7
EC Name:
Trichloroacetyl chloride
Cas Number:
76-02-8
Molecular formula:
C2Cl4O
IUPAC Name:
trichloroacetyl chloride
Radiolabelling:
not specified

Study design

Oxygen conditions:
anaerobic
Inoculum or test system:
not specified
Duration of test (contact time):
540 d
Parameter followed for biodegradation estimation:
test mat. analysis
Reference substance
Reference substance:
not specified

Results and discussion

Mean total recoveryopen allclose all
Compartment:
other: water, material (mass) balance
% Recovery:
48
Compartment:
other: sediment, material (mass) balance
% Recovery:
0
% Degradationopen allclose all
% Degr.:
50
Parameter:
other: Half-life in water
Sampling time:
1 440 h
Remarks on result:
other: 1440 hr = 60 days
% Degr.:
50
Parameter:
other: Half Life in sediment
Sampling time:
12 960 h
Remarks on result:
other: 12960hr = 540 days
Half-life of parent compound / 50% disappearance time (DT50)open allclose all
Compartment:
water
DT50:
1 440 h
Type:
other: Estimated
Remarks on result:
other: Other details not available
Compartment:
sediment
DT50:
12 960 h
Type:
other: Estimated
Remarks on result:
other: Other details not available
Transformation products:
not specified
Identity of transformation products
No.:
#1
Reference
Reference substance name:
Unnamed
IUPAC name:
trichloroacetyl chloride
Inventory number:
InventoryMultipleMappingImpl [inventoryEntryValue=EC 200-926-7]
CAS number:
76-02-8
Identity:
Acetyl chloride, trichloro-
Identity:
trichloroacetyl chloride
Molecular formula:
C2Cl4O
Molecular weight:
181.833
SMILES notation:
ClC(=O)C(Cl)(Cl)Cl
InChl:
InChI=1/C2Cl4O/c3-1(7)2(4,5)6

Applicant's summary and conclusion

Conclusions:
The substance shows 50% degradation in sediment in 540 days. The substance shows 0% partitioning in the sediment
Executive summary:

Media

Half-Life (days)

Percent in
Each Medium

Water

60

48%

Sediment

540

0%

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