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Search term: GLDOVTGHNKAZLK-UHFFFAOYAZ
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Inherent Properties, Identifiers and References
ChemSpider ID: 7928
Empirical Formula: C18H38O
Molecular Weight: 270.4937
Nominal Mass: 270 Da
Average Mass: 270.4937 Da
Monoisotopic Mass: 270.292266 Da
Systematic Name: octadecan-1-ol
SMILES: OCCCCCCCCCCCCCCCCCC
InChI: InChI=1/C18H38O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19/​h19H,2-18H2,1H3
InChIKey: GLDOVTGHNKAZLK-UHFFFAOYAZ
Std. InChI: InChI=1S/C18H38O/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19​/h19H,2-18H2,1H3
Std. InChIKey: GLDOVTGHNKAZLK-UHFFFAOYSA-N
(Details...) Wikipedia Article(s)
Stearyl alcohol (also known as octadecyl alcohol or 1-octadecanol) is a substance prepared from stearic acid by the process of catalytic hydrogenation. It is a fatty alcohol. It takes the form of white solid granules or flakes which are insoluble in water, with a melting point of 60 °C and boiling point of 210 °C (at ). It has a wide range of uses as an ingredient in lubricants, resins, perfumes and cosmetics. It is used as an emollient, emulsifier, and thickener in ointments of various sorts, and is widely used as a hair coating in shampoos and hair conditioners. Stearyl alcohol is even used as a liquid solar blanket in swimming pools by forming a molecule thick layer on the surface of the water and slowing the evaporation rate of the pool water. Read more... or Edit at Wikipedia...
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User Data

  • experimental physchem properties
    • Melting Point: 56-58
    • Boiling Point: 210/15mm
    • Flash Point: 174(345F)
  • miscellaneous
    • Safety: CAUTION: May irritate eyes, skin, and respiratory tract
Names and Synonyms

Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Redirected by Users, Redirect Approved by Experts

1-octadec​anol

1-Octadéc​anol

Octadecan​-1-ol

stearyl a​lcohol pu​re

steryl al​cohol

Octadecan​ol NF

Stearal

112-92-5

1-0ctadec​anol

112-92-5 [RN]

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Database ID(s)

Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Redirected by Users, Redirect Approved by Experts

ACD/LogP: 8.31 # of Rule of 5 Violations: 1
ACD/LogD (pH 5.5): 8.31 ACD/LogD (pH 7.4): 8.31
ACD/BCF (pH 5.5): 1000000 ACD/BCF (pH 7.4): 1000000
ACD/KOC (pH 5.5): 794100.81 ACD/KOC (pH 7.4): 794100.81
#H bond acceptors: 1 #H bond donors: 1
#Freely Rotating Bonds: 17 Polar Surface Area: 9.23 Å2
Index of Refraction: 1.45 Molar Refractivity: 86.97 cm3
Molar Volume: 323.1 cm3 Polarizability: 34.47 10-24cm3
Surface Tension: 31.4 dyne/cm Density: 0.837 g/cm3
Flash Point: 138.7 °C Enthalpy of Vaporization: 66.88 kJ/mol
Boiling Point: 334.3 °C at 760 mmHg Vapour Pressure: 9.11E-06 mmHg at 25°C
            
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  7.72

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  354.66  (Adapted Stein & Brown method)
    Melting Pt (deg C):  86.85  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.83E-006  (Modified Grain method)
    MP  (exp database):  59.5 deg C
    BP  (exp database):  210 @ 15 mm Hg deg C
    VP  (exp database):  2.70E-06 mm Hg at 25 deg C
    Subcooled liquid VP: 5.92E-006 mm Hg (25 deg C, exp database VP )

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  0.0151
       log Kow used: 7.72 (estimated)
       no-melting pt equation used
     Water Sol (Exper. database match) =  0.0011 mg/L (25 deg C)
        Exper. Ref:  YALKOWSKY,SH & VALVANI,SC (1980)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.0067926 mg/L
    Wat Sol (Exper. database match) =  0.00
       Exper. Ref:  YALKOWSKY,SH & VALVANI,SC (1980)

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Neutral Organics

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.27E-004  atm-m3/mole
   Group Method:   1.23E-003  atm-m3/mole
   Exper Database: 8.41E-04  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  4.313E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  7.72  (KowWin est)
  Log Kaw used:  -1.464  (exp database)
      Log Koa (KOAWIN v1.10 estimate):  9.184
      Log Koa (experimental database):  10.930

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8859
   Biowin2 (Non-Linear Model)     :   0.8937
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0597  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8560  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.9090
   Biowin6 (MITI Non-Linear Model):   0.9544
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  1.0134
 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):  0.000789 Pa (5.92E-006 mm Hg)
  Log Koa (Exp database): 10.930
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0038 
       Octanol/air (Koa) model:  0.0209 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.121 
       Mackay model           :  0.233 
       Octanol/air (Koa) model:  0.626 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  26.6727 E-12 cm3/molecule-sec
      Half-Life =     0.401 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.812 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.177 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.288E+004
      Log Koc:  4.110 

 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 = 2.329 (BCF = 213.1)
       log Kow used: 7.72 (estimated)

 Volatilization from Water:
    Henry LC:  0.000841 atm-m3/mole  (Henry experimental database)
    Half-Life from Model River:      2.823  hours
    Half-Life from Model Lake :      168.7  hours   (7.029 days)

 Removal In Wastewater Treatment:
    Total removal:              94.00  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.21  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       0.317           9.62         1000       
   Water     3.79            360          1000       
   Soil      28.8            720          1000       
   Sediment  67.1            3.24e+003    0          
     Persistence Time: 1.24e+003 hr