Substance Identity
CAS Number 6990-06-3
Chemical Name 29-Nordammara-17(20),24-dien-21-oic acid, 16-(acetyloxy)-3,11-dihydroxy-, (3.alpha.,4.alpha.,8.alpha.,9.beta.,11.alpha.,13.alpha.,14.beta.,16.beta.,17Z)-
Type of substance Organic
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 0.0168
EPI Predicted hydrolysis half-life (days) 2.86E+004
EPI Predicted Ozone reaction half-life (days) 0.01259
EPI Predicted Atmospheric Oxidation half-life (days) 0.06202

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin 6.75
Log BAF T2MTL predicted by Gobas 6.37670481420042
Log BCF 5% T2LTL predicted by Gobas 4.59112929174016
Log BCF Max predicted by OASIS 4.79274396198926
Log BCF predicted by BCFWIN 1.75

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 0.1348
Toxicity to fish (LC50 in mg/l) as predicted by Oasis Forecast M v1.10 0.1348
Toxicity to fish (LC50 in mg/l) as predicted by Aster 0.318079
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 0.051
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 5.06E-004

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