BT

The Good Scents Company Information Listings

This page contains the EPI System Summary only.
For complete control of this information -
Download the free EPI SuiteTM v4.0 program : here
also you can go back to the Datasheet

CAS Number: 60770-00-5

SMILES : Oc1cc(C)ccc1C(=O)OCC

CHEM : ethyl 2-hydroxy-4-methylbenzoate

MOL FOR: C10 H12 O3

MOL WT : 180.21

------------------------------ EPI SUMMARY (v4.00) --------------------------

Physical Property Inputs:

Log Kow (octanol-water): ------

Boiling Point (deg C) : ------

Melting Point (deg C) : ------

Vapor Pressure (mm Hg) : ------

Water Solubility (mg/L): ------

Henry LC (atm-m3/mole) : ------

Log Octanol-Water Partition Coef (SRC):

Log Kow (KOWWIN v1.67 estimate) = 3.64

Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):

Boiling Pt (deg C): 285.13 (Adapted Stein & Brown method)

Melting Pt (deg C): 75.98 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.000504 (Modified Grain method)

VP (Pa, 25 deg C) : 0.0672 (Modified Grain method)

Subcooled liquid VP: 0.00153 mm Hg (25 deg C, Mod-Grain method)

: 0.205 Pa (25 deg C, Mod-Grain method)

Water Solubility Estimate from Log Kow (WSKOW v1.41):

Water Solubility at 25 deg C (mg/L): 162

log Kow used: 3.64 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 436.08 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Esters

Phenols

Salicylates

Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:

Bond Method : 6.66E-006 atm-m3/mole (6.75E-001 Pa-m3/mole)

Group Method: 3.22E-009 atm-m3/mole (3.27E-004 Pa-m3/mole)

For Henry LC Comparison Purposes:

User-Entered Henry LC: not entered

Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:

HLC: 7.377E-007 atm-m3/mole (7.475E-002 Pa-m3/mole)

VP: 0.000504 mm Hg (source: MPBPVP)

WS: 162 mg/L (source: WSKOWWIN)

Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:

Log Kow used: 3.64 (KowWin est)

Log Kaw used: -3.565 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 7.205

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 1.0064

Biowin2 (Non-Linear Model) : 0.9976

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.9227 (weeks )

Biowin4 (Primary Survey Model) : 3.7879 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.6999

Biowin6 (MITI Non-Linear Model): 0.7981

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.3770

Ready Biodegradability Prediction: YES

Hydrocarbon Biodegradation (BioHCwin v1.01):

Structure incompatible with current estimation method!

Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:

Vapor pressure (liquid/subcooled): 0.204 Pa (0.00153 mm Hg)

Log Koa (Koawin est ): 7.205

Kp (particle/gas partition coef. (m3/ug)):

Mackay model : 1.47E-005

Octanol/air (Koa) model: 3.94E-006

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.000531

Mackay model : 0.00118

Octanol/air (Koa) model: 0.000315

Atmospheric Oxidation (25 deg C) [AopWin v1.92]:

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 30.0632 E-12 cm3/molecule-sec

Half-Life = 0.356 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 4.269 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Reaction With Nitrate Radicals May Be Important!

Fraction sorbed to airborne particulates (phi):

0.000853 (Junge-Pankow, Mackay avg)

0.000315 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 257.5 L/kg (MCI method)

Log Koc: 2.411 (MCI method)

Koc : 1096 L/kg (Kow method)

Log Koc: 3.040 (Kow method)

Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:

Total Kb for pH > 8 at 25 deg C : 1.919E-002 L/mol-sec

Kb Half-Life at pH 8: 1.145 years

Kb Half-Life at pH 7: 11.447 years

(Total Kb applies only to esters, carbmates, alkyl halides)

Bioaccumulation Estimates (BCFBAF v3.00):

Log BCF from regression-based method = 2.070 (BCF = 117.5 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -1.3815 days (HL = 0.04154 days)

Log BCF Arnot-Gobas method (upper trophic) = 1.246 (BCF = 17.63)

Log BAF Arnot-Gobas method (upper trophic) = 1.246 (BAF = 17.63)

log Kow used: 3.64 (estimated)

Volatilization from Water:

Henry LC: 6.66E-006 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 119.4 hours (4.974 days)

Half-Life from Model Lake : 1415 hours (58.95 days)

Removal In Wastewater Treatment:

Total removal: 16.91 percent

Total biodegradation: 0.21 percent

Total sludge adsorption: 16.39 percent

Total to Air: 0.31 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 0.829 8.54 1000

Water 25.7 360 1000

Soil 73.1 720 1000

Sediment 0.297 3.24e+003 0

Persistence Time: 452 hr

Top of Page Home
Copyright © 1980-2021 The Good Scents Company (tgsc) Disclaimer Privacy Policy