Substance Identity
CAS Number 6410-41-9
Chemical Name 2-Naphthalenecarboxamide, N-(5-chloro-2,4-dimethoxyphenyl)-4-[[5-[(diethylamino)sulfonyl]-2-methoxyphenyl]azo]-3-hydroxy-
Type of substance Organic
SMILES O=C(Nc(c(OC)cc(OC)c1Cl)c1)c(c(O)c(N=Nc(c(OC)ccc2S(=O)(=O)N(CC)CC)c2)c(c3ccc4)c4)c3
Moiety of concern organic
Categorization Results

Meets Government of Canada Categorization Criteria? Yes
Meets Human Health Categorization Criteria? No
Meets Environmental Criteria for Categorization? Yes
Persistent (P)? Yes
Rational for P Category
Bioaccumulative (B)? Yes
Rational for B Category
Inherently Toxic to Aquatic Organisms (iT)? Yes
Rational for iT Category
DSL Quantity range (tonnes/year) >1T to 1000T
Basis for Environment Categorization (PiT, BiT, PBiT) if categorized? PBiT

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) 999
EPI Predicted Atmospheric Oxidation half-life (days) 0.1547

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin 7.65
Log BAF T2MTL predicted by Gobas 6.58620959185723
Log BCF 5% T2LTL predicted by Gobas 4.23019742020256
Log BCF Max predicted by OASIS 4.35742095846528
Log BCF predicted by BCFWIN 1

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 0.01
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 0.01
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 1.01E-004

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