Substance Identity
CAS Number 10114-46-2
Chemical Name 2(1H)-Quinolinone, 4-hydroxy-1-methyl-3-[(4-nitrophenyl)azo]-
Type of substance Organic
SMILES c1cc(N(=O)(=O))ccc1N=NC2=C(O)c3ccccc3N(C)C2(=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)? No
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) >1T to 1000T

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 Ozone reaction half-life (days) 0.5457
EPI Predicted Atmospheric Oxidation half-life (days) 0.301

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin 2.77
Log BAF T2MTL predicted by Gobas 1.58579262529534
Log BCF 5% T2LTL predicted by Gobas 1.49088932242153
Log BCF Max predicted by OASIS 2.21550974985149
Log BCF predicted by BCFWIN 1

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 23.899877
Toxicity to fish (LC50 in mg/l) as predicted by Oasis Forecast M v1.10 336.6233
Toxicity to fish (LC50 in mg/l) as predicted by Aster 23.899877
Toxicity to fish (LC50 in mg/l) as predicted by PNN 112.21694
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 92.955
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 4.54E-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