- 4 of 4 defined stereocentres
(5alpha)-Taxa-4(20),11-dien-5-ol
CC1=C2CC[C@@]3(CC[C@@H](C(=C)[C@H]3C[C@@H](C2(C)C)CC1)O)C
InChI=1S/C20H32O/c1-13-6-7-15-12-17-14(2)18(21)9-11-20(17,5)10-8-16(13)19(15,3)4/h15,17-18,21H,2,6-12H2,1,3-5H3/t15-,17+,18-,20+/m0/s1
QHDGSWAXTYWVOP-ZNWBIBPKSA-N
CSID:391698, http://www.chemspider.com/Chemical-Structure.391698.html (accessed 19:45, Apr 18, 2024)
Validated by Experts, Validated by Users, Non-Validated, Removed by Users
Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00
Predicted data is generated using the US Environmental Protection Agency�s EPISuite
Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = 6.71 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 364.09 (Adapted Stein & Brown method) Melting Pt (deg C): 127.78 (Mean or Weighted MP) VP(mm Hg,25 deg C): 1.93E-007 (Modified Grain method) Subcooled liquid VP: 2.05E-006 mm Hg (25 deg C, Mod-Grain method) Water Solubility Estimate from Log Kow (WSKOW v1.41): Water Solubility at 25 deg C (mg/L): 0.0863 log Kow used: 6.71 (estimated) no-melting pt equation used Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 0.24928 mg/L ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Vinyl/Allyl Alcohols Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 5.42E-005 atm-m3/mole Group Method: Incomplete Henrys LC [VP/WSol estimate using EPI values]: 8.489E-007 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: 6.71 (KowWin est) Log Kaw used: -2.654 (HenryWin est) Log Koa (KOAWIN v1.10 estimate): 9.364 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 0.4011 Biowin2 (Non-Linear Model) : 0.0318 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 2.2974 (weeks-months) Biowin4 (Primary Survey Model) : 3.2541 (days-weeks ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.3397 Biowin6 (MITI Non-Linear Model): 0.0693 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): -0.8867 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): 0.000273 Pa (2.05E-006 mm Hg) Log Koa (Koawin est ): 9.364 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 0.011 Octanol/air (Koa) model: 0.000568 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 0.284 Mackay model : 0.468 Octanol/air (Koa) model: 0.0434 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 186.4375 E-12 cm3/molecule-sec Half-Life = 0.057 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 0.688 Hrs Ozone Reaction: OVERALL Ozone Rate Constant = 89.924995 E-17 cm3/molecule-sec Half-Life = 0.013 Days (at 7E11 mol/cm3) Half-Life = 18.351 Min Fraction sorbed to airborne particulates (phi): 0.376 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 9636 Log Koc: 3.984 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]: Rate constants can NOT be estimated for this structure! Bioaccumulation Estimates from Log Kow (BCFWIN v2.17): Log BCF from regression-based method = 4.466 (BCF = 2.927e+004) log Kow used: 6.71 (estimated) Volatilization from Water: Henry LC: 5.42E-005 atm-m3/mole (estimated by Bond SAR Method) Half-Life from Model River: 20.08 hours Half-Life from Model Lake : 361.5 hours (15.06 days) Removal In Wastewater Treatment: Total removal: 93.67 percent Total biodegradation: 0.78 percent Total sludge adsorption: 92.88 percent Total to Air: 0.01 percent (using 10000 hr Bio P,A,S) Level III Fugacity Model: Mass Amount Half-Life Emissions (percent) (hr) (kg/hr) Air 0.00423 0.25 1000 Water 2.37 900 1000 Soil 30.1 1.8e+003 1000 Sediment 67.5 8.1e+003 0 Persistence Time: 2.88e+003 hr
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