Substance Identity
CAS Number 133-07-3
Chemical Name 1H-Isoindole-1,3(2H)-dione, 2-[(trichloromethyl)thio]-
Type of substance Organic
SMILES O=C(N(SC(Cl)(Cl)Cl)C(=O)c1cccc2)c12
Moiety of concern organic
Categorization Results

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

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 0.0008
TOPKAT probability of biodegradation 0
EPI Predicted Ozone reaction half-life (days) 999
EPI Predicted Atmospheric Oxidation half-life (days) 0.6791

Underlying data regarding Bioaccumulation

Empirical Log Kow 2.85
Log Kow predicted by KowWin 2.84
Log BAF T2MTL predicted by Gobas 1.6649777150205
Log BCF 5% T2LTL predicted by Gobas 1.56860954162715
Log BCF Max predicted by OASIS 2.27116762152922
Log BCF predicted by BCFWIN 1.494

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 0.015
Experimental result iT (mg/l) 0.015
Test species iT (Latin) Oncorhynchus mykiss
Test species iT (Common) Rainbow trout,doldson trout
Final EndPoint iT LC50
Exposure duration iT (hours) 96
Reference iT Environmental Fate and Effects Division, U.S.EPA, Washington, D.C.
Robust Study Summary iT
133073-AT-LC50-O-tetpyr.doc
Toxicity to fathead minnow (LC50 in mg/l) as predicted by Topkat v6.1 1
Toxicity to fish (LC50 in mg/l) as predicted by Oasis Forecast M v1.10 31.5756
Toxicity to fish (LC50 in mg/l) as predicted by Aster 36.275234
Toxicity to fish (LC50 in mg/l) as predicted by PNN 0.08226
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 73.87
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 3.57E+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

AgencyAssessment
EC Carcinogenicity - Category 3
USEPA 1986 Carcinogenicity - Groups B1 and B2

Underlying data regarding Complex Hazard Assessment