Substance Identity
CAS Number 50-14-6
Chemical Name 9,10-Secoergosta-5,7,10(19),22-tetraen-3-ol, (3 ,5Z,7E,22E)-
Type of substance Organic
SMILES CC(C)C(C)C=CC(C)C1CCC2C(CCCC12C)=CC=C3CC(O)CCC3=C
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)? Uncertain
Inherently Toxic to Aquatic Organisms (iT)? No
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 Soil
Experimental Biodegradation half-life (days) Not Available
Predicted Ultimate degradation half-life (days) 37.5
MITI probability of biodegradation 0.0024
EPI Predicted Ozone reaction half-life (days) 0.004844
EPI Predicted Atmospheric Oxidation half-life (days) 0.03028

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin 10.44
Log BAF T2MTL predicted by Gobas 4.60293133986131
Log BCF 5% T2LTL predicted by Gobas 1.9559101285304
Log BCF Max predicted by OASIS 1.92646023286988
Log BCF predicted by BCFWIN 0.5

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 4.53343
Toxicity to fish (LC50 in mg/l) as predicted by PNN 4.53343

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