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CAS Number: 2321-07-5

SMILES : O=C(OC(c(c(Oc1cc(O)cc2)cc(O)c3)c3)(c12)c4cccc5)c45

CHEM : Spiro isobenzofuran-1(3H),9'- 9H xanthen -3-one, 3',6'-dihydroxy-

MOL FOR: C20 H12 O5

MOL WT : 332.32

------------------------------ EPI SUMMARY (v4.10) --------------------------

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 v1.68 estimate) = 3.35

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

Boiling Pt (deg C): 530.37 (Adapted Stein & Brown method)

Melting Pt (deg C): 226.79 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 4.05E-014 (Modified Grain method)

VP (Pa, 25 deg C) : 5.4E-012 (Modified Grain method)

MP (exp database): 315 dec deg C

Subcooled liquid VP: 7.38E-011 mm Hg (25 deg C, Mod-Grain method)

: 9.83E-009 Pa (25 deg C, Mod-Grain method)

Water Solubility Estimate from Log Kow (WSKOW v1.42):

Water Solubility at 25 deg C (mg/L): 3.212

log Kow used: 3.35 (estimated)

no-melting pt equation used

Water Sol (Exper. database match) = 50 mg/L (20 deg C)

Exper. Ref: DEHN,WM (1917)

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 3.6125 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Esters

Phenols, Poly

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

Bond Method : 8.91E-017 atm-m3/mole (9.03E-012 Pa-m3/mole)

Group Method: Incomplete

For Henry LC Comparison Purposes:

User-Entered Henry LC: not entered

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

HLC: 5.513E-015 atm-m3/mole (5.586E-010 Pa-m3/mole)

VP: 4.05E-014 mm Hg (source: MPBPVP)

WS: 3.21 mg/L (source: WSKOWWIN)

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

Log Kow used: 3.35 (KowWin est)

Log Kaw used: -14.439 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 17.789

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.9431

Biowin2 (Non-Linear Model) : 0.9911

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.4475 (weeks-months)

Biowin4 (Primary Survey Model) : 3.6003 (days-weeks )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.5407

Biowin6 (MITI Non-Linear Model): 0.3270

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.0589

Ready Biodegradability Prediction: NO

Hydrocarbon Biodegradation (BioHCwin v1.01):

Structure incompatible with current estimation method!

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

Vapor pressure (liquid/subcooled): 9.84E-009 Pa (7.38E-011 mm Hg)

Log Koa (Koawin est ): 17.789

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

Mackay model : 305

Octanol/air (Koa) model: 1.51E+005

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 1

Mackay model : 1

Octanol/air (Koa) model: 1

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 200.2800 E-12 cm3/molecule-sec

Half-Life = 0.053 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 0.641 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Reaction With Nitrate Radicals May Be Important!

Fraction sorbed to airborne particulates (phi):

1 (Junge-Pankow, Mackay avg)

1 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 2.59E+005 L/kg (MCI method)

Log Koc: 5.413 (MCI method)

Koc : 1112 L/kg (Kow method)

Log Koc: 3.046 (Kow method)

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

Rate constants can NOT be estimated for this structure!

Bioaccumulation Estimates (BCFBAF v3.01):

Log BCF from regression-based method = 1.878 (BCF = 75.47 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -2.3682 days (HL = 0.004284 days)

Log BCF Arnot-Gobas method (upper trophic) = 0.809 (BCF = 6.438)

Log BAF Arnot-Gobas method (upper trophic) = 0.809 (BAF = 6.438)

log Kow used: 3.35 (estimated)

Volatilization from Water:

Henry LC: 8.91E-017 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 1.198E+013 hours (4.991E+011 days)

Half-Life from Model Lake : 1.307E+014 hours (5.445E+012 days)

Removal In Wastewater Treatment:

Total removal: 10.04 percent

Total biodegradation: 0.16 percent

Total sludge adsorption: 9.88 percent

Total to Air: 0.00 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 8.61e-005 1.28 1000

Water 3.95 900 1000

Soil 52.1 1.8e+003 1000

Sediment 44 8.1e+003 0

Persistence Time: 3.15e+003 hr

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