Substance Identity
CAS Number 470-82-6
Chemical Name 2-Oxabicyclo[2.2.2]octane, 1,3,3-trimethyl-
Type of substance Organic
SMILES O(C(CCC1C2)(C2)C)C1(C)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)? No
Rational for iT Experiment
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 0.4105
TOPKAT probability of biodegradation 1
EPI Predicted Ozone reaction half-life (days) 999
Experimental Atmospheric Oxidation half-life (days) 0.963463463463463
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
EPI Predicted Atmospheric Oxidation half-life (days) 0.4739

Underlying data regarding Bioaccumulation

Empirical Log Kow 2.74
Log Kow predicted by KowWin 3.13
Log BAF T2MTL predicted by Gobas 1.55623000587293
Log BCF 5% T2LTL predicted by Gobas 1.46185158254216
Log BCF Max predicted by OASIS 2.51297252091231
Log BCF predicted by BCFWIN 1.41

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 102
Experimental result iT (mg/l) 102
Test species iT (Latin) Pimephales promelas
Test species iT (Common) Fathead minnow
Final EndPoint iT LC50
Exposure duration iT (hours) 96
Reference iT Center for Lake Superior Environmental Stud., Univ.of Wisconsin-Superior, Superior, WI I:355
Toxicity to fathead minnow (LC50 in mg/l) as predicted by Topkat v6.1 68.8
Toxicity to fish (LC50 in mg/l) as predicted by Ecosar v0.99g 9.909
Toxicity to fish (LC50 in mg/l) as predicted by Oasis Forecast M v1.10 39.7297
Toxicity to fish (LC50 in mg/l) as predicted by Aster 23.073865
Toxicity to fish (LC50 in mg/l) as predicted by PNN 29.58215
Toxicity to daphnia (EC50 in mg/l) as predicted by Topkat v6.1 53.3
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 1.276
Chronic toxicity to daphnia or algae (EC50 in mg/l) as predicted by Ecosar v0.99g 0.965
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 9.91E+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