ChemSpider 2D Image | Pyridoxine | C8H11NO3

Pyridoxine

  • Molecular FormulaC8H11NO3
  • Average mass169.178 Da
  • Monoisotopic mass169.073898 Da
  • ChemSpider ID1025

More details:

Featured data source
The Merck Index Online

Validated by Experts, Validated by Users, Non-Validated, Removed by Users

(5-Hydroxy-6-methylpyridine-3,4-diyl)dimethanol
200-603-0 [EINECS]
232-503-8 [EINECS]
2-methyl-3-hydroxy-4,5-bis(hydroxy-methyl) pyridine
2-Methyl-3-hydroxy-4,5-dihydroxymethyl-pyridin [German]
3,4-Pyridinedimethanol, 5-hydroxy-6-methyl- [ACD/Index Name]
3-hydroxy-2-Picoline-4,5-dimethanol
3-Hydroxy-4,5-bis(hydroxymethyl)-2-methylpyridine
3-Hydroxy-4,5-dimethylol-a-picoline
4,5-Bis(hydroxymethyl)-2-methyl-3-pyridinol [ACD/IUPAC Name]
More...

Validated by Experts, Validated by Users, Non-Validated, Removed by Users

2216 [DBID]
65-23-6,8059-24-3 [DBID]
AC-907/25014218 [DBID]
AIDS006784 [DBID]
AIDS-006784 [DBID]
bmse000288 [DBID]
C00314 [DBID]
CBDivE_015627 [DBID]
CCRIS 4693 [DBID]
CHEBI:16709 [DBID]
More...

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density: 1.4±0.1 g/cm3
Boiling Point: 491.9±40.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.3 mmHg at 25°C
Enthalpy of Vaporization: 79.9±3.0 kJ/mol
Flash Point: 251.3±27.3 °C
Index of Refraction: 1.621
Molar Refractivity: 44.0±0.3 cm3
#H bond acceptors: 4
#H bond donors: 3
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: -1.10
ACD/LogD (pH 5.5): -0.74
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 8.26
ACD/LogD (pH 7.4): -0.69
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 9.41
Polar Surface Area: 74 Å2
Polarizability: 17.4±0.5 10-24cm3
Surface Tension: 69.7±3.0 dyne/cm
Molar Volume: 125.0±3.0 cm3

Predicted data is generated using the US Environmental Protection Agency�s EPISuite™ 

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  -0.56
    Log Kow (Exper. database match) =  -0.77
       Exper. Ref:  Sangster (1993)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  348.48  (Adapted Stein & Brown method)
    Melting Pt (deg C):  124.48  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.18E-007  (Modified Grain method)
    MP  (exp database):  159-162 deg C
    Subcooled liquid VP: 2.78E-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):  2.82e+005
       log Kow used: -0.77 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  6.9603e+005 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Phenols
       Benzyl Alcohols

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.32E-015  atm-m3/mole
   Group Method:   7.73E-020  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  9.315E-014 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -0.77  (exp database)
  Log Kaw used:  -13.268  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  12.498
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0004
   Biowin2 (Non-Linear Model)     :   0.9364
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9126  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8150  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5001
   Biowin6 (MITI Non-Linear Model):   0.4642
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  1.3415
 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):  0.000371 Pa (2.78E-006 mm Hg)
  Log Koa (Koawin est  ): 12.498
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00809 
       Octanol/air (Koa) model:  0.773 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.226 
       Mackay model           :  0.393 
       Octanol/air (Koa) model:  0.984 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  30.5633 E-12 cm3/molecule-sec
      Half-Life =     0.350 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.200 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.31 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  10
      Log Koc:  1.000 

 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 = 0.500 (BCF = 3.162)
       log Kow used: -0.77 (expkow database)

 Volatilization from Water:
    Henry LC:  1.32E-015 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 5.769E+011  hours   (2.404E+010 days)
    Half-Life from Model Lake : 6.294E+012  hours   (2.622E+011 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.76  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       5.57e-008       8.4          1000       
   Water     38.9            360          1000       
   Soil      61              720          1000       
   Sediment  0.0713          3.24e+003    0          
     Persistence Time: 579 hr

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