Substance Identity
CAS Number 6505-28-8
Chemical Name Butanamide, 2,2'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[3-oxo-N-phenyl-
Type of substance Organic
SMILES O=C(Nc(cccc1)c1)C(N=Nc(c(OC)cc(c(ccc(N=NC(C(=O)C)C(=O)Nc(cccc2)c2)c3OC)c3)c4)c4)C(=O)C
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)? Yes
Rational for B Category
Inherently Toxic to Aquatic Organisms (iT)? No
Rational for iT Category
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) 182
MITI probability of biodegradation 0
EPI Predicted Ozone reaction half-life (days) 999
EPI Predicted Atmospheric Oxidation half-life (days) 0.1829

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin 5.93
Log BAF T2MTL predicted by Gobas 5.6136632510387
Log BCF 5% T2LTL predicted by Gobas 4.42005743081393
Log BCF Max predicted by OASIS 4.75466637523403
Log BCF predicted by BCFWIN 1

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 0.103
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 0.103
Chronic toxicity to daphnia or algae (EC50 in mg/l) as predicted by Ecosar v0.99g 0.037
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 3.15E-003

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