Substance Identity
CAS Number 96-41-3
Chemical Name Cyclopentanol
Type of substance Organic
SMILES OC(CCC1)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 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-Water
Experimental Biodegradation half-life (days) Not Available
Predicted Ultimate degradation half-life (days) 15
MITI probability of biodegradation 0.8653
TOPKAT probability of biodegradation 0.999
EPI Predicted Ozone reaction half-life (days) 999
Experimental Atmospheric Oxidation half-life (days) 0.999480789200415
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)
96413.doc
EPI Predicted Atmospheric Oxidation half-life (days) 1.035

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin 1.15
Log BAF T2MTL predicted by Gobas 0.262185933712637
Log BCF 5% T2LTL predicted by Gobas 0.222547700136099
Log BCF Max predicted by OASIS 1.3110728282246
Log BCF predicted by BCFWIN 0.183

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 1100
Experimental result iT (mg/l) 1100
Test species iT (Latin) Daphnia mag
Test species iT (Common) Water flea
Final EndPoint iT LC50
Exposure duration iT (hours) 24
Reference iT Z.Wasser-Abwasser-Forsch.10(5):161-166 (GER) (ENG ABS); TR-79-1204, Literature Research Company :13 p. (ENG TRANSL) (OECDG Data File)
Robust Study Summary iT
RSS - iT revised CAS # 96413.doc
Toxicity to fathead minnow (LC50 in mg/l) as predicted by Topkat v6.1 1,100
Toxicity to fish (LC50 in mg/l) as predicted by Ecosar v0.99g 401.957
Toxicity to fish (LC50 in mg/l) as predicted by Oasis Forecast M v1.10 3,474.9749
Toxicity to fish (LC50 in mg/l) as predicted by Aster 1,046.635
Toxicity to fish (LC50 in mg/l) as predicted by PNN 256.2101
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 212.657
Chronic toxicity to daphnia or algae (EC50 in mg/l) as predicted by Ecosar v0.99g 14.361
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 4.02E+002

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