Substance Identity
CAS Number 13732-62-2
Chemical Name Morpholine, 4-methylbenzenesulfonate
Type of substance Organic
SMILES N1CCOCC1
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 QSAR
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) 15
MITI probability of biodegradation 0.6376
TOPKAT probability of biodegradation 0.003
EPI Predicted Ozone reaction half-life (days) 999
EPI Predicted Atmospheric Oxidation half-life (days) 0.07761

Underlying data regarding Bioaccumulation

Empirical Log Kow -0.86
Log Kow predicted by KowWin -0.56
Log BAF T2MTL predicted by Gobas 0.0000540371955876
Log BCF 5% T2LTL predicted by Gobas 0.0005144646215092
Log BCF Max predicted by OASIS 0.996825420109495
Log BCF predicted by BCFWIN 0.5

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 13500
Toxicity to fathead minnow (LC50 in mg/l) as predicted by Topkat v6.1 13,500
Toxicity to fish (LC50 in mg/l) as predicted by Ecosar v0.99g 1,043.591
Toxicity to fish (LC50 in mg/l) as predicted by Aster 19,832.248
Toxicity to fish (LC50 in mg/l) as predicted by PNN 8,181.10422
Toxicity to daphnia (EC50 in mg/l) as predicted by Topkat v6.1 54.1
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 43.169
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 5.49E+003

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