Substance Identity
CAS Number 2691-17-0
Chemical Name 2,3-Butanediol, 1,4-dibromo-, diacetate, (R*,S*)-
Type of substance Organic
SMILES BrCC(OC(=O)C)C(OC(=O)C)CBr
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
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
Experimental Biodegradation half-life (days) Not Available
Predicted Ultimate degradation half-life (days) 15
MITI probability of biodegradation 0.0704
TOPKAT probability of biodegradation 0.998
EPI Predicted hydrolysis half-life (days) 4.42E+002
EPI Predicted Ozone reaction half-life (days) 999
EPI Predicted Atmospheric Oxidation half-life (days) 2.523

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin 1.93
Log BAF T2MTL predicted by Gobas 0.800613861555671
Log BCF 5% T2LTL predicted by Gobas 0.723400809186148
Log BCF Max predicted by OASIS 1.65145576377633
Log BCF predicted by BCFWIN 0.784

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 233.4
Toxicity to fathead minnow (LC50 in mg/l) as predicted by Topkat v6.1 233.4
Toxicity to fish (LC50 in mg/l) as predicted by Ecosar v0.99g 54.774
Toxicity to fish (LC50 in mg/l) as predicted by Oasis Forecast M v1.10 144.1449
Toxicity to fish (LC50 in mg/l) as predicted by Aster 26.230336
Toxicity to fish (LC50 in mg/l) as predicted by PNN 0.86238
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 305.369
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 9.55E+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