Substance Identity
CAS Number 13679-70-4
Chemical Name 2-Thiophenecarboxaldehyde, 5-methyl-
Type of substance Organic
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-Soil
Experimental Biodegradation half-life (days) Not Available
Predicted Ultimate degradation half-life (days) 15
MITI probability of biodegradation 0.8979
TOPKAT probability of biodegradation 1
EPI Predicted Ozone reaction half-life (days) 999
EPI Predicted Atmospheric Oxidation half-life (days) 0.4243

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin 2.08
Log BAF T2MTL predicted by Gobas 0.931646881356691
Log BCF 5% T2LTL predicted by Gobas 0.85001686069244
Log BCF Max predicted by OASIS 1.7365455831849
Log BCF predicted by BCFWIN 0.9

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 21.68954
Toxicity to fish (LC50 in mg/l) as predicted by Oasis Forecast M v1.10 110.284
Toxicity to fish (LC50 in mg/l) as predicted by Aster 32.701412
Toxicity to fish (LC50 in mg/l) as predicted by PNN 21.68954
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 53.232
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 7.87E-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