Substance Identity
CAS Number 64577-91-9
Chemical Name Benzene, [2-(1-butoxyethoxy)ethyl]-
Type of substance Organic
SMILES O(C(OCCc(cccc1)c1)C)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)? 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 Air-Water-Soil
Experimental Biodegradation half-life (days) Not Available
Predicted Ultimate degradation half-life (days) 15
MITI probability of biodegradation 0.122
TOPKAT probability of biodegradation 0.828
EPI Predicted Ozone reaction half-life (days) 999
EPI Predicted Atmospheric Oxidation half-life (days) 0.3079

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin 3.89
Log BAF T2MTL predicted by Gobas 2.75097653151373
Log BCF 5% T2LTL predicted by Gobas 2.59626612023475
Log BCF Max predicted by OASIS 3.22294951222002
Log BCF predicted by BCFWIN 2.299

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 1.8
Toxicity to fathead minnow (LC50 in mg/l) as predicted by Topkat v6.1 1.8
Toxicity to fish (LC50 in mg/l) as predicted by Ecosar v0.99g 2.757
Toxicity to fish (LC50 in mg/l) as predicted by Oasis Forecast M v1.10 5.8016
Toxicity to fish (LC50 in mg/l) as predicted by Aster 9.084803
Toxicity to fish (LC50 in mg/l) as predicted by PNN 5.31071
Toxicity to daphnia (EC50 in mg/l) as predicted by Topkat v6.1 5
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 0.206
Chronic toxicity to daphnia or algae (EC50 in mg/l) as predicted by Ecosar v0.99g 0.395
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 2.76E+000

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