Substance Identity
CAS Number 3268-49-3
Chemical Name Propanal, 3-(methylthio)-
Type of substance Organic
SMILES O=CCCSC
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) >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
Predicted Ultimate degradation half-life (days) 15
MITI probability of biodegradation 0.9585
TOPKAT probability of biodegradation 0.055
EPI Predicted Ozone reaction half-life (days) 999
EPI Predicted Atmospheric Oxidation half-life (days) 0.2026

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin 0.41
Log BAF T2MTL predicted by Gobas 0.0411003440134043
Log BCF 5% T2LTL predicted by Gobas 0.0334572945661527
Log BCF Max predicted by OASIS 1.1206796510097
Log BCF predicted by BCFWIN 0.5

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 24.2
Toxicity to fathead minnow (LC50 in mg/l) as predicted by Topkat v6.1 24.2
Toxicity to fish (LC50 in mg/l) as predicted by Oasis Forecast M v1.10 125.3253
Toxicity to fish (LC50 in mg/l) as predicted by Aster 44.482152
Toxicity to fish (LC50 in mg/l) as predicted by PNN 10.1537
Toxicity to daphnia (EC50 in mg/l) as predicted by Topkat v6.1 27.4
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 1,320.941
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 2.41E+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