Substance Identity
CAS Number 29920-31-8
Chemical Name 1,3-Benzenedicarboxylic acid, 5-[[1-[[(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)amino]carbonyl]-2-oxopropyl]azo]-, dimethyl ester
Type of substance Organic
SMILES O=C(OC)c(cc(N=NC(C(=O)C)C(=O)Nc(ccc(NC(=O)N1)c12)c2)cc3C(=O)OC)c3
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 Category
Bioaccumulative (B)? No
Rational for B Category
Inherently Toxic to Aquatic Organisms (iT)? No
Rational for iT Category
DSL Quantity range (tonnes/year) 0 to 1T

Ecological data supporting decisions

Underlying data regarding persistence

Media of concern leading to Categorization Water
Experimental Biodegradation half-life (days) Not Available
Predicted Ultimate degradation half-life (days) 60
MITI probability of biodegradation 0
EPI Predicted hydrolysis half-life (days) 7.27E+002
EPI Predicted Ozone reaction half-life (days) 999
EPI Predicted Atmospheric Oxidation half-life (days) 0.05305

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin 1.88
Log BAF T2MTL predicted by Gobas 0.758337148409087
Log BCF 5% T2LTL predicted by Gobas 0.682808158558333
Log BCF Max predicted by OASIS 1.62509656207226
Log BCF predicted by BCFWIN 1

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 1.82439
Toxicity to fish (LC50 in mg/l) as predicted by Ecosar v0.99g 79.56
Toxicity to fish (LC50 in mg/l) as predicted by Aster 27.75442
Toxicity to fish (LC50 in mg/l) as predicted by PNN 1.82439
Toxicity to daphnia (EC50 in mg/l) as predicted by Topkat v6.1 0.4766
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 463.122
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 4.36E+000

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