Substance Identity
CAS Number 36245-44-0
Chemical Name Phosphorodithioic acid, o,o-dibutyl ester, sodium salt
Type of substance Organic
SMILES CCCCOP(=S)(S)OCCCC
Moiety of concern organic
Categorization Results

Meets Government of Canada Categorization Criteria? No
Meets Human Health Categorization Criteria? No
Meets Environmental Criteria for Categorization? No
Persistent (P)? No
Rational for P QSAR
Bioaccumulative (B)? No
Rational for B QSAR
Inherently Toxic to Aquatic Organisms (iT)? Yes
Rational for iT QSAR
DSL Quantity range (tonnes/year) 0 to 1T

Ecological data supporting decisions

Underlying data regarding persistence

Media of concern leading to Categorization Water
Experimental Biodegradation half-life (days) Not Available
Predicted Ultimate degradation half-life (days) 15
MITI probability of biodegradation 0.1354
EPI Predicted Ozone reaction half-life (days) 999
EPI Predicted Atmospheric Oxidation half-life (days) 0.1013

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin 1.51
Log BAF T2MTL predicted by Gobas 0.474348269998389
Log BCF 5% T2LTL predicted by Gobas 0.414841090307714
Log BCF Max predicted by OASIS 1.44791152608622
Log BCF predicted by BCFWIN 2.539

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 0.1501
Toxicity to fish (LC50 in mg/l) as predicted by Ecosar v0.99g 2.41
Toxicity to fish (LC50 in mg/l) as predicted by Oasis Forecast M v1.10 0.9304
Toxicity to fish (LC50 in mg/l) as predicted by Aster 3.387344
Toxicity to fish (LC50 in mg/l) as predicted by PNN 0.1501
Toxicity to daphnia (EC50 in mg/l) as predicted by Topkat v6.1 0.0002473
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 1.876
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 1.50E-002

Human Health data supporting decisions
Underlying data regarding potential for exposure

LPE/IPE/GPE Lowest Potential for Exposure (HC Simple Exposure Tool)

Underlying data regarding Previous Assessments

Underlying data regarding Simple Hazard Assessment


Underlying data regarding Complex Hazard Assessment