Registration Dossier
Registration Dossier
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EC number: 205-439-3 | CAS number: 140-89-6
Bioaccumulation: aquatic / sediment
Administrative data
Link to relevant study record(s)
Description of key information
This substance has a limited potential to bioaccumulate (based on log Kow used :, Log Kow estimated : 0.87 , and predicted bioconcentration factors, log BCF = 0.5 (EPIWIN/BCF Program).
According to “ANNEX IX- STANDARD INFORMATION REQUIREMENTS FOR SUBSTANCES MANUFACTURED OR IMPORTED IN QUANTITIES OF 100 TONNES OR MORE , a bioaccumulation study need not be conducted if:
— the substance has a low potential for bioaccumulation (for instance a log Kow ≤ 3) and/or a low potential to cross biological membranes, or
— direct and indirect exposure of the aquatic compartment is unlikely.
The estimated Log BCF of Potassium ethyl xanthate is 0.5 (BCF = 3.162 L/kg wet-wt)
The estimated BCF of 3.162 L/kg wet-wt was measured by calculation from EPI SuiteTM v4.1 Program.
These values would suggest very low bioaccumulation potential.
This is Exposure Assessment Tools and Models made from EPA (Environmental Protection Agency).
BCFBAF Program (v3.01) Results:
==============================
SMILES : CCOC(=S)[S-].[K+]
CHEM : Carbonodithioic acid, o-ethyl ester, potassium salt
MOL FOR: C3 H5 O1 S2 K1
MOL WT : 160.29
--------------------------------- BCFBAF v3.01 --------------------------------
Summary Results:
Log BCF (regression-based estimate): 0.50 (BCF = 3.16 L/kg wet-wt)
Biotransformation Half-Life (days) : 0.00429 (normalized to 10 g fish)
Log BAF (Arnot-Gobas upper trophic): -0.05 (BAF = 0.893 L/kg wet-wt)
Log Kow (estimated) : 0.87
Log Kow (experimental): not available from database
Log Kow used by BCF estimates: -2.24 (user entered)
Equation Used to Make BCF estimate:
Log BCF = 0.50
Correction(s): Value
Correction Factors Not Used for Log Kow < 1
Estimated Log BCF = 0.500 (BCF = 3.162 L/kg wet-wt)
Key value for chemical safety assessment
- BCF (aquatic species):
- 3.162 L/kg ww
Additional information
According to “ANNEX IX- STANDARD INFORMATION REQUIREMENTS FOR SUBSTANCES MANUFACTURED OR IMPORTED IN QUANTITIES OF 100 TONNES OR MORE , a bioaccumulation study need not be conducted if:
— the substance has a low potential for bioaccumulation (for instance a log Kow ≤ 3) and/or a low potential to cross biological membranes, or
— direct and indirect exposure of the aquatic compartment is unlikely.
The estimated Log BCF of Potassium ethyl xanthate is 0.5 (BCF = 3.162 L/kg wet-wt)
This substance has a limited potential to bioaccumulate (based on log Kow used :, Log Kow estimated : 0.87 , and predicted bioconcentration factors, log BCF = 0.5 (EPIWIN/BCF Program).
The estimated BCF of 3.162 L/kg wet-wt was measured by calculation from EPI SuiteTM v4.1 Program.
These values would suggest very low bioaccumulation potential.
This is Exposure Assessment Tools and Models made from EPA (Environmental Protection Agency).
BCFBAF Program (v3.01) Results:
==============================
SMILES : CCOC(=S)[S-].[K+]
CHEM : Carbonodithioic acid, o-ethyl ester, potassium salt
MOL FOR: C3 H5 O1 S2 K1
MOL WT : 160.29
--------------------------------- BCFBAF v3.01 --------------------------------
Summary Results:
Log BCF (regression-based estimate): 0.50 (BCF = 3.16 L/kg wet-wt)
Biotransformation Half-Life (days) : 0.00429 (normalized to 10 g fish)
Log BAF (Arnot-Gobas upper trophic): -0.05 (BAF = 0.893 L/kg wet-wt)
Log Kow (estimated) : 0.87
Log Kow (experimental): not available from database
Log Kow used by BCF estimates: -2.24 (user entered)
Equation Used to Make BCF estimate:
Log BCF = 0.50
Correction(s): Value
Correction Factors Not Used for Log Kow < 1
Estimated Log BCF = 0.500 (BCF = 3.162 L/kg wet-wt)
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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