Substance Identity
CAS Number 111-61-5
Chemical Name Octadecanoic acid, ethyl ester
Type of substance Organic
SMILES O=C(OCC)CCCCCCCCCCCCCCCCC
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)? Uncertain
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) 15
MITI probability of biodegradation 0.9641
TOPKAT probability of biodegradation 1
EPI Predicted hydrolysis half-life (days) 2.82E+003
EPI Predicted Ozone reaction half-life (days) 999
EPI Predicted Atmospheric Oxidation half-life (days) 0.4627

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin 8.72
Log BAF T2MTL predicted by Gobas 6.175490610686
Log BCF 5% T2LTL predicted by Gobas 3.56491409130395
Log BCF Max predicted by OASIS 3.41996184204565
Log BCF predicted by BCFWIN 0.951

Underlying data regarding inherent toxicity to aquatic organisms

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