Categorization Results from the Canadian Domestic Substance List
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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