Substance Identity
CAS Number 12239-00-8
Chemical Name Benzenesulfonic acid, 5-[[4-(aminosulfonyl)-2-nitrophenyl]amino]-2-[[4-[[4-(aminosulfonyl)-2-nitrophenyl]amino]phenyl]amino]-
Type of substance Organic
SMILES O=S(=O)(c1c(cccc1Nc2ccc(cc2)Nc3c(cc(cc3)S(=O)(=O)N)N(=O)(=O))Nc4c(cc(cc4)S(=O)(=O)N)N(=O)(=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) 999
EPI Predicted Atmospheric Oxidation half-life (days) 0.05344

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin -0.82
Log BAF T2MTL predicted by Gobas 0.0000540371955876
Log BCF 5% T2LTL predicted by Gobas 0.0005144646215092
Log BCF Max predicted by OASIS 0.978958603470696
Log BCF predicted by BCFWIN 0.5

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 22.50765
Toxicity to fish (LC50 in mg/l) as predicted by Aster 1,693.8995
Toxicity to fish (LC50 in mg/l) as predicted by PNN 22.50765

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