Substance Identity
CAS Number 32222-06-3
Chemical Name 9,10-Secocholesta-5,7,10(19)-triene-1,3,25-triol, (1.alpha.,3.beta.,5Z,7E)-
Type of substance Organic
SMILES CC(CCCC(C)(C)O)C1CCC2C(CCCC12C)=CC=C3CC(O)CC(O)C3=C
Moiety of concern organic
Categorization Results

Meets Government of Canada Categorization Criteria? Yes
Meets Human Health Categorization Criteria? No
Meets Environmental Criteria for Categorization? Yes
Persistent (P)? No
Rational for P QSAR
Bioaccumulative (B)? Yes
Rational for B QSAR
Inherently Toxic to Aquatic Organisms (iT)? Yes
Rational for iT QSAR
DSL Quantity range (tonnes/year) Unknown Quantity
Basis for Environment Categorization (PiT, BiT, PBiT) if categorized? BiT

Ecological data supporting decisions

Underlying data regarding persistence

Media of concern leading to Categorization Soil
Experimental Biodegradation half-life (days) Not Available
Predicted Ultimate degradation half-life (days) 60
MITI probability of biodegradation 0.0151
EPI Predicted Ozone reaction half-life (days) 0.005126
EPI Predicted Atmospheric Oxidation half-life (days) 0.03475

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin 7.6
Log BAF T2MTL predicted by Gobas 6.58825193878479
Log BCF 5% T2LTL predicted by Gobas 4.2556871711601
Log BCF Max predicted by OASIS 4.39053805756664
Log BCF predicted by BCFWIN 3.982

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 0.10864
Toxicity to fish (LC50 in mg/l) as predicted by Oasis Forecast M v1.10 0.3279
Toxicity to fish (LC50 in mg/l) as predicted by PNN 0.10864
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 0.007
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 7.42E-005

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