Substance Identity
CAS Number 589-16-2
Chemical Name Benzenamine, 4-ethyl-
Type of substance Organic
SMILES Nc(ccc(c1)CC)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 QSAR
Bioaccumulative (B)? No
Rational for B QSAR
Inherently Toxic to Aquatic Organisms (iT)? No
Rational for iT Experiment
DSL Quantity range (tonnes/year) 0 to 1T

Ecological data supporting decisions

Underlying data regarding persistence

Media of concern leading to Categorization Water
Experimental Biodegradation half-life (days) Not Available
Predicted Ultimate degradation half-life (days) 37.5
MITI probability of biodegradation 0.139
TOPKAT probability of biodegradation 0.001
EPI Predicted Ozone reaction half-life (days) 999
EPI Predicted Atmospheric Oxidation half-life (days) 0.08088

Underlying data regarding Bioaccumulation

Empirical Log Kow 1.96
Log Kow predicted by KowWin 2.11
Log BAF T2MTL predicted by Gobas 0.82633765707397
Log BCF 5% T2LTL predicted by Gobas 0.748167064615936
Log BCF Max predicted by OASIS 1.75826785038875
Log BCF predicted by BCFWIN 0.809

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 2
Experimental result iT (mg/l) 2
Test species iT (Latin) Daphnia mag
Test species iT (Common) Water flea
Final EndPoint iT EC50
Exposure duration iT (hours) 48
Reference iT Water Res. 23(4):495-499 (OECDG Data File)
Robust Study Summary iT
589162-AT-LC50-I-dapmag.doc
589162-AT-EC50-I-Dapmag-2.doc
Toxicity to fathead minnow (LC50 in mg/l) as predicted by Topkat v6.1 59.8
Toxicity to fish (LC50 in mg/l) as predicted by Ecosar v0.99g 30.21
Toxicity to fish (LC50 in mg/l) as predicted by Oasis Forecast M v1.10 50.1713
Toxicity to fish (LC50 in mg/l) as predicted by Aster 33.922539
Toxicity to fish (LC50 in mg/l) as predicted by PNN 55.82576
Toxicity to daphnia (EC50 in mg/l) as predicted by Topkat v6.1 1.1
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 10.442
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 2.36E+001

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