Substance Identity
CAS Number 124-28-7
Chemical Name 1-Octadecanamine, N,N-dimethyl-
Type of substance Organic
SMILES N(CCCCCCCCCCCCCCCCCC)(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 Category
Inherently Toxic to Aquatic Organisms (iT)? Yes
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 Soil
Experimental Biodegradation half-life (days) Not Available
Experimental Biodegradation result (%) 72
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) 37.5
MITI probability of biodegradation 0.6119
TOPKAT probability of biodegradation 1
EPI Predicted Ozone reaction half-life (days) 999
EPI Predicted Atmospheric Oxidation half-life (days) 0.1051

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin 8.39
Log BAF T2MTL predicted by Gobas 6.37784678313117
Log BCF 5% T2LTL predicted by Gobas 3.80638706705108
Log BCF Max predicted by OASIS 3.73887803326774
Log BCF predicted by BCFWIN 1.409

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 0.074
Experimental result iT (mg/l) 0.074
Test species iT (Latin) Mysidopsis bahia
Test species iT (Common) Mysid shrimp
Final EndPoint iT LC50
Exposure duration iT (hours) 96
Reference iT USEPA Robust Summary, FND Amines Category, Dec 20/02. 201-14171B
Robust Study Summary iT
124287_AT_LC50_mysid.doc
Toxicity to fish (LC50 in mg/l) as predicted by PNN 0.20999

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