Substance Identity
CAS Number 143-08-8
Chemical Name 1-Nonanol
Type of substance Organic
SMILES OCCCCCCCCC
Moiety of concern organic
Categorization Results

Meets Government of Canada Categorization Criteria? Yes
Meets Human Health Categorization Criteria? Yes
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 Experiment
DSL Quantity range (tonnes/year) >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
Robust Study Summary (biodegradation result)
143088.doc
Predicted Ultimate degradation half-life (days) 8.67
MITI probability of biodegradation 0.9438
TOPKAT probability of biodegradation 1
EPI Predicted Ozone reaction half-life (days) 999
EPI Predicted Atmospheric Oxidation half-life (days) 0.7664

Underlying data regarding Bioaccumulation

Empirical Log Kow 3.77
Log Kow predicted by KowWin 3.3
Log BAF T2MTL predicted by Gobas 2.61760047945456
Log BCF 5% T2LTL predicted by Gobas 2.47715780177357
Log BCF Max predicted by OASIS 2.65796338831543
Log BCF predicted by BCFWIN 2.203

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 5.52
Experimental result iT (mg/l) 5.52
Test species iT (Latin) Pimephales promelas
Test species iT (Common) Fathead minnow
Final EndPoint iT LC50
Exposure duration iT (hours) 96
Reference iT Aquat.Toxicol. 6:302-322 (Author Communication Used)
Robust Study Summary iT
143088-AT-LC50-F-pimpro.doc
Toxicity to fathead minnow (LC50 in mg/l) as predicted by Topkat v6.1 7
Toxicity to fish (LC50 in mg/l) as predicted by Ecosar v0.99g 6.414
Toxicity to fish (LC50 in mg/l) as predicted by Oasis Forecast M v1.10 73.9094
Toxicity to fish (LC50 in mg/l) as predicted by Aster 5.291354
Toxicity to fish (LC50 in mg/l) as predicted by PNN 9.08059
Toxicity to daphnia (EC50 in mg/l) as predicted by Topkat v6.1 9.3
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 0.731
Chronic toxicity to daphnia or algae (EC50 in mg/l) as predicted by Ecosar v0.99g 0.681
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 6.41E+000

Human Health data supporting decisions
Underlying data regarding potential for exposure

LPE/IPE/GPE Greatest Potential for Exposure (HC Simple Exposure Tool)

Underlying data regarding Previous Assessments

Underlying data regarding Simple Hazard Assessment


Underlying data regarding Complex Hazard Assessment