Substance Identity
CAS Number 76-43-7
Chemical Name Androst-4-en-3-one, 9-fluoro-11,17-dihydroxy-17-methyl-, (11.beta.,17.beta.)-
Type of substance Organic
SMILES CC1(O)CCC2C3CCC4=CC(=O)CCC4(C)C3(F)C(O)CC21C
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)? Yes
Rational for P QSAR
Bioaccumulative (B)? No
Rational for B QSAR
Inherently Toxic to Aquatic Organisms (iT)? No
Rational for iT QSAR
DSL Quantity range (tonnes/year) Unknown Quantity

Ecological data supporting decisions

Underlying data regarding persistence

Media of concern leading to Categorization Water-Soil
Experimental Biodegradation half-life (days) Not Available
Predicted Ultimate degradation half-life (days) 182
MITI probability of biodegradation 0.0017
EPI Predicted Ozone reaction half-life (days) 1.007
EPI Predicted Atmospheric Oxidation half-life (days) 0.1009

Underlying data regarding Bioaccumulation

Empirical Log Kow 2.38
Log Kow predicted by KowWin 2.49
Log BAF T2MTL predicted by Gobas 1.2081564351701
Log BCF 5% T2LTL predicted by Gobas 1.11992884120138
Log BCF Max predicted by OASIS 2.00592465322719
Log BCF predicted by BCFWIN 1.133

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 7.13343
Toxicity to fish (LC50 in mg/l) as predicted by Ecosar v0.99g 106.864
Toxicity to fish (LC50 in mg/l) as predicted by Oasis Forecast M v1.10 141.7021
Toxicity to fish (LC50 in mg/l) as predicted by PNN 7.13343
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 169.095
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 8.64E-001

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