Substance Identity
CAS Number 118-55-8
Chemical Name Benzoic acid, 2-hydroxy-, phenyl ester
Type of substance Organic
SMILES O=C(Oc(cccc1)c1)c(c(O)ccc2)c2
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 Experiment
DSL Quantity range (tonnes/year) >1T to 1000T

Ecological data supporting decisions

Underlying data regarding persistence

Media of concern leading to Categorization Water-Soil
Experimental Biodegradation half-life (days) Not Available
Predicted Ultimate degradation half-life (days) 15
MITI probability of biodegradation 0.5884
TOPKAT probability of biodegradation 0.984
EPI Predicted hydrolysis half-life (days) 1.97E+002
EPI Predicted Ozone reaction half-life (days) 999
EPI Predicted Atmospheric Oxidation half-life (days) 0.3288

Underlying data regarding Bioaccumulation

Log Kow predicted by KowWin 3.82
Log BAF T2MTL predicted by Gobas 2.67277091531705
Log BCF 5% T2LTL predicted by Gobas 2.52679375416192
Log BCF Max predicted by OASIS 3.15076481582549
Log BCF predicted by BCFWIN 2.242

Underlying data regarding inherent toxicity to aquatic organisms

Pivotal value for iT (mg/l) 1.09
Experimental result iT (mg/l) 1.09
Test species iT (Latin) Pimephales promelas
Test species iT (Common) Fathead minnow
Final EndPoint iT LC50
Exposure duration iT (hours) 96
Reference iT Environ.Pollut.Ser.A Ecol.Biol. 35(4):367-381 (OECDG Data File)
Robust Study Summary iT
118558-AT-LC50-F-Pimpro.doc
118558-AT-LC50-F-Ictpun.doc
Toxicity to fathead minnow (LC50 in mg/l) as predicted by Topkat v6.1 1.4
Toxicity to fish (LC50 in mg/l) as predicted by Ecosar v0.99g 2.381
Toxicity to fish (LC50 in mg/l) as predicted by Oasis Forecast M v1.10 3.1149
Toxicity to fish (LC50 in mg/l) as predicted by Aster 1.218703
Toxicity to fish (LC50 in mg/l) as predicted by PNN 2.75254
Toxicity to daphnia (EC50 in mg/l) as predicted by Topkat v6.1 0.2514
Toxicity to fish, daphnia, algae or mysid shrimp (EC50 or LC50 in mg/l) as predicted by Ecosar v0.99g 2.607
Toxicity to fish (LC50 in mg/l) as predicted by Neutral Organics QSAR in Ecosar v0.99g 3.09E-002

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