Substance Identity
CAS Number 34131-98-1
Chemical Name 2(1H)-Naphthalenone, octahydro-6-(1-methylethyl)-
Type of substance Organic
SMILES O=C(CCC(C1CCC2C(C)C)C2)C1
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)? No
Rational for iT QSAR
DSL Quantity range (tonnes/year) >1T to 1000T

Ecological data supporting decisions

Underlying data regarding persistence

Media of concern leading to Categorization Air-Water-Soil
Experimental Biodegradation half-life (days) Not Available
Predicted Ultimate degradation half-life (days) 37.5
MITI probability of biodegradation 0.2174
TOPKAT probability of biodegradation 0
EPI Predicted Ozone reaction half-life (days) 999
EPI Predicted Atmospheric Oxidation half-life (days) 0.336

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin 3.82
Log BAF T2MTL predicted by Gobas 2.67277091531705
Log BCF 5% T2LTL predicted by Gobas 2.52679375416192
Log BCF Max predicted by OASIS 3.14574154332355
Log BCF predicted by BCFWIN 2.238

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 21.6
Toxicity to fathead minnow (LC50 in mg/l) as predicted by Topkat v6.1 21.6
Toxicity to fish (LC50 in mg/l) as predicted by Ecosar v0.99g 2.804
Toxicity to fish (LC50 in mg/l) as predicted by Aster 4.464696
Toxicity to fish (LC50 in mg/l) as predicted by PNN 43.18605
Toxicity to daphnia (EC50 in mg/l) as predicted by Topkat v6.1 883.2
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 0.221
Chronic toxicity to daphnia or algae (EC50 in mg/l) as predicted by Ecosar v0.99g 0.387
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 2.80E+000

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