Substance Identity
CAS Number 125471-74-1
Chemical Name Natural gas, debutanizer feed
Type of substance UVCB-organic
SMILES CCCC
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)? Yes
Bioaccumulative (B)? No
Inherently Toxic to Aquatic Organisms (iT)? No
DSL Quantity range (tonnes/year) >1000T

Ecological data supporting decisions

Underlying data regarding persistence

Underlying data regarding Bioaccumulation

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 34.4
Toxicity to fathead minnow (LC50 in mg/l) as predicted by Topkat v6.1 34.4
Toxicity to fish (LC50 in mg/l) as predicted by Ecosar v0.99g 22.027
Toxicity to fish (LC50 in mg/l) as predicted by Aster 7.771276
Toxicity to fish (LC50 in mg/l) as predicted by PNN 11.47001
Toxicity to daphnia (EC50 in mg/l) as predicted by Topkat v6.1 5.092
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 5.092
Chronic toxicity to daphnia or algae (EC50 in mg/l) as predicted by Ecosar v0.99g 1.416
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 2.20E-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