Canadian Categorization Results

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Substance Identity

CAS Number	13863-31-5
Chemical Name	Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[(2-hydroxyethyl)methylamino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-, disodium salt
Type of substance	Organic
SMILES	OS(=O)(=O)c2cc(ccc2C=Cc3c(cc(cc3)Nc4nc(nc(n4)N(CCO)C)Nc5ccccc5)S(=O)(=O)O)Nc6nc(nc(n6)N(CCO)C)Nc1ccccc1
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)	>1000T

Ecological data supporting decisions

Underlying data regarding persistence

Media of concern leading to Categorization	Water-Soil
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)	0.09095
EPI Predicted Atmospheric Oxidation half-life (days)	0.03706

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin	2.6
Log BAF T2MTL predicted by Gobas	1.41929618469611
Log BCF 5% T2LTL predicted by Gobas	1.32727437231869
Log BCF Max predicted by OASIS	2.08258150228021
Log BCF predicted by BCFWIN	0.75

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l)	1.955
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g	1.955
Chronic toxicity to daphnia or algae (EC50 in mg/l) as predicted by Ecosar v0.99g	1.792
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g	1.96E+000

Human Health data supporting decisions

Underlying data regarding potential for exposure

LPE/IPE/GPE

Greatest Potential for Exposure (HC Simple Exposure Tool)

Underlying data regarding Previous Assessments

Underlying data regarding Simple Hazard Assessment

Underlying data regarding Complex Hazard Assessment

Carcinogencity

Screening Outcome	Negative
Screening Method
Data Results
Reference	Newkomm, 1961. Med. Exptl. 4:298 (as cited in Gloxhuber and Bloching, 1979) Keplinger, 1974. Toxicol and Applied Pharmacol. 27: 494-506 Gloxhuber and Bloching, 1979

Screening Outcome	Negative
Screening Method
Data Results	in vivo Mammalian Germ Cell Clastogen or Aneugen
Reference	Keplinger, 1974. Toxicol and Applied Pharmacol. 27: 494-506 Muller, 1975. Fluorescent Whitening Agents, Environmental Quality and Safety, Suppl. Vol. IV (as cited in Kilbey, 1977) Kilbey, 1975. Fluorescent Whitening Agents, Environmental Quality and Safety, Suppl. vol. IV McGreggor, 1976. Mutation Res. 40:169-172 (all cited in Kilbey, 1977)