Substance Identity
CAS Number 64-72-2
Chemical Name 2-Naphthacenecarboxamide, 7-chloro-4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,6,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-, monohydrochloride, (4S,4aS,5aS,6S,12aS)-
Type of substance Organic
SMILES c12C(=O)C3=C(O)C4(O)C(=O)C(C(=O)N)=C(O)C(N(C)C)C4CC3C(O)c1cccc2
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)? No
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) Unknown Quantity

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) 37.5
MITI probability of biodegradation 0.0255
EPI Predicted Ozone reaction half-life (days) 0.5037
EPI Predicted Atmospheric Oxidation half-life (days) 0.08305

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin -3.6
Log BAF T2MTL predicted by Gobas 0.0000540371955876
Log BCF 5% T2LTL predicted by Gobas 0.0005144646215092
Log BCF Max predicted by OASIS 0.931021381669314
Log BCF predicted by BCFWIN 0.5

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 0.05
Experimental result iT (mg/l) 0.05
Exposure duration iT (hours) 168
Robust Study Summary iT
64722-AT-EC50-O-selcap.doc
Toxicity to fish (LC50 in mg/l) as predicted by Ecosar v0.99g 46,627.152
Toxicity to fish (LC50 in mg/l) as predicted by PNN 20.40878
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 937.905
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 2.10E+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