Substance Identity
CAS Number 13466-78-9
Chemical Name Bicyclo[4.1.0]hept-3-ene, 3,7,7-trimethyl-
Type of substance Organic
SMILES C(=CCC(C12)C1(C)C)(C2)C
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 Experiment
Bioaccumulative (B)? No
Rational for B QSAR
Inherently Toxic to Aquatic Organisms (iT)? Yes
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
Experimental Biodegradation half-life (days) Not Available
Predicted Ultimate degradation half-life (days) 37.5
MITI probability of biodegradation 0.3302
TOPKAT probability of biodegradation 0
Experimental Ozone Reaction half-life (days) 0.0954861111111111
Reference (ozone reaction) ATKINSON,R.; KINETICS AND MECHANISMS OF THE GAS-PHASE REACTIONS OF THE HYDROXYL RADICAL WITH ORGANIC COMPOUNDS.; JOURNAL OF PHYSICAL AND CHEMICAL REFERENCE DATA. MONOGRAPH NO. 1.; 1989
EPI Predicted Ozone reaction half-life (days) 0.02665
Experimental Atmospheric Oxidation half-life (days) 0.121527777777778
Reference (oxidation) ATKINSON,R.; KINETICS AND MECHANISMS OF THE GAS-PHASE REACTIONS OF THE HYDROXYL RADICAL WITH ORGANIC COMPOUNDS.; JOURNAL OF PHYSICAL AND CHEMICAL REFERENCE DATA. MONOGRAPH NO. 1.; 1989
Robust Study Summary (oxidation)
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EPI Predicted Atmospheric Oxidation half-life (days) 0.1191

Underlying data regarding Bioaccumulation

Empirical Log Kow 4.38
Log Kow predicted by KowWin 4.61
Log BAF T2MTL predicted by Gobas 3.34101227794645
Log BCF 5% T2LTL predicted by Gobas 3.08072279512408
Log BCF Max predicted by OASIS 3.90206171609953
Log BCF predicted by BCFWIN 2.673

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 0.9553
Toxicity to fathead minnow (LC50 in mg/l) as predicted by Topkat v6.1 0.9553
Toxicity to fish (LC50 in mg/l) as predicted by Ecosar v0.99g 0.356
Toxicity to fish (LC50 in mg/l) as predicted by Oasis Forecast M v1.10 0.5913
Toxicity to fish (LC50 in mg/l) as predicted by Aster 1.750088
Toxicity to fish (LC50 in mg/l) as predicted by PNN 15.13723
Toxicity to daphnia (EC50 in mg/l) as predicted by Topkat v6.1 150.8
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 0.016
Chronic toxicity to daphnia or algae (EC50 in mg/l) as predicted by Ecosar v0.99g 0.073
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 3.56E-003

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