Substance Identity
CAS Number 83748-27-0
Chemical Name 3-Pyridinecarbonitrile, 5-[(4-chloro-2-nitrophenyl)azo]-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-1-propyl-
Type of substance Organic
SMILES O=C2C(=C(C(=C(N2CCC)O)C#N)C)N=Nc1c(cc(cc1)Cl)N(=O)=O
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 QSAR
Bioaccumulative (B)? No
Rational for B QSAR
Inherently Toxic to Aquatic Organisms (iT)? No
Rational for iT QSAR
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) 182
MITI probability of biodegradation 0
EPI Predicted Ozone reaction half-life (days) 4.353
EPI Predicted Atmospheric Oxidation half-life (days) 0.3765

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin 2.83
Log BAF T2MTL predicted by Gobas 1.64513448108033
Log BCF 5% T2LTL predicted by Gobas 1.54914301265591
Log BCF Max predicted by OASIS 2.26339017353011
Log BCF predicted by BCFWIN 1

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 9.563326
Toxicity to fish (LC50 in mg/l) as predicted by Oasis Forecast M v1.10 1,094.993
Toxicity to fish (LC50 in mg/l) as predicted by Aster 9.563326
Toxicity to fish (LC50 in mg/l) as predicted by PNN 512.78393
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 95.498
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 4.62E-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