Substance Identity
CAS Number 109-73-9
Chemical Name 1-Butanamine
Type of substance Organic
SMILES NCCCC
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
Experimental Biodegradation result (%) 85
Reference (biodegradation result) CHEMICALS INSPECTION AND TESTING INSTITUTE.; BIODEGRADATION AND BIOACCUMULATION DATA OF EXISTING CHEMICALS BASED ON THE CSCL JAPAN.; JAPAN CHEMICAL INDUSTRY ECOLOGY - TOXICOLOGY AND INFORMATION CENTER.ISBN 4-89074-101-1.; 1992
Robust Study Summary (biodegradation result)
MITI book - P data.doc
Predicted Ultimate degradation half-life (days) 8.67
MITI probability of biodegradation 0.8081
TOPKAT probability of biodegradation 1
EPI Predicted Ozone reaction half-life (days) 999
EPI Predicted Atmospheric Oxidation half-life (days) 0.3108

Underlying data regarding Bioaccumulation

Empirical Log Kow 0.97
Log Kow predicted by KowWin 0.83
Log BAF T2MTL predicted by Gobas 0.183613358118996
Log BCF 5% T2LTL predicted by Gobas 0.153794402207711
Log BCF Max predicted by OASIS 1.21721040063553
Log BCF predicted by BCFWIN 0.5

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 8.2
Experimental result iT (mg/l) 8.2
Test species iT (Latin) Ceriodaphnia Dubia
Test species iT (Common) water flea
Final EndPoint iT LC50
Exposure duration iT (hours) 48
Reference iT iT Confidential Document # 28
Robust Study Summary iT
109739-AT-LC50-F-menber.doc
109739-AT-LC50-F-lepmac.doc
109739_AT_LC50_I_Dapmag.doc
109739_AT_EC50_dapmag-2.doc
Toxicity to fish (LC50 in mg/l) as predicted by Ecosar v0.99g 112.966
Toxicity to fish (LC50 in mg/l) as predicted by Oasis Forecast M v1.10 399.1746
Toxicity to fish (LC50 in mg/l) as predicted by Aster 558.15625
Toxicity to fish (LC50 in mg/l) as predicted by PNN 264.02077
Toxicity to daphnia (EC50 in mg/l) as predicted by Topkat v6.1 102.3
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 7.169
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 2.27E+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