Substance Identity
CAS Number 27178-16-1
Chemical Name Hexanedioic acid, diisodecyl ester
Type of substance Organic
SMILES O=C(OCCCCCCCC(C)C)CCCCC(=O)OCCCCCCCC(C)C
Moiety of concern organic
Categorization Results

Meets Government of Canada Categorization Criteria? Yes
Meets Human Health Categorization Criteria? Yes
Meets Environmental Criteria for Categorization? No
Persistent (P)? No
Rational for P Category
Bioaccumulative (B)? No
Rational for B Category
Inherently Toxic to Aquatic Organisms (iT)? Yes
Rational for iT Category
DSL Quantity range (tonnes/year) >1000T

Ecological data supporting decisions

Underlying data regarding persistence

Media of concern leading to Categorization Soil
Experimental Biodegradation half-life (days) Not Available
Experimental Biodegradation result (%) 72
Reference (biodegradation result) P Confidential report #21
Robust Study Summary (biodegradation result)
27178161.doc
Predicted Ultimate degradation half-life (days) 37.5
MITI probability of biodegradation 0.9376
TOPKAT probability of biodegradation 1
EPI Predicted hydrolysis half-life (days) 7.55E+002
EPI Predicted Ozone reaction half-life (days) 999
EPI Predicted Atmospheric Oxidation half-life (days) 0.3612

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin 10.08
Log BAF T2MTL predicted by Gobas 4.95859152428387
Log BCF 5% T2LTL predicted by Gobas 2.31016599111993
Log BCF Max predicted by OASIS 2.18866845591293
Log BCF predicted by BCFWIN 0.591

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 0.05

Human Health data supporting decisions
Underlying data regarding potential for exposure

LPE/IPE/GPE Greatest Potential for Exposure (HC Simple Exposure Tool)

Underlying data regarding Previous Assessments

Underlying data regarding Simple Hazard Assessment


Underlying data regarding Complex Hazard Assessment