Substance Identity
CAS Number 1323-42-8
Chemical Name Octadecanoic acid, hydroxy-, monoester with 1,2,3-propanetriol
Type of substance Organic
SMILES O=C(OC(CO)CO)C(O)CCCCCCCCCCCCCCCC
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 Category
Inherently Toxic to Aquatic Organisms (iT)? No
Rational for iT QSAR
DSL Quantity range (tonnes/year) >1T to 1000T

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) 8.67
MITI probability of biodegradation 0.9865
TOPKAT probability of biodegradation 1
EPI Predicted hydrolysis half-life (days) 1.98E+002
EPI Predicted Ozone reaction half-life (days) 999
EPI Predicted Atmospheric Oxidation half-life (days) 0.2903

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin 5.08
Log BAF T2MTL predicted by Gobas 4.35194766194054
Log BCF 5% T2LTL predicted by Gobas 3.75243138133333
Log BCF Max predicted by OASIS 4.2907269707199
Log BCF predicted by BCFWIN 2.21

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 1.044
Toxicity to fish (LC50 in mg/l) as predicted by PNN 6.76336
Toxicity to daphnia (EC50 in mg/l) as predicted by Topkat v6.1 6.8
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 1.044
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 3.48E-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