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Inherent Properties, Identifiers and References
ChemSpider ID: 7679
Empirical Formula: C6H10O
Molecular Weight: 98.143
Nominal Mass: 98 Da
Average Mass: 98.143 Da
Monoisotopic Mass: 98.073165 Da
Quick Links: Permalink Similar Isomers
Systematic Name: cyclohexanone
SMILES: O=C1CCCCC1
InChI: InChI=1/C6H10O/c7-6-4-2-1-3-5-6/h1-5H2
InChIKey: JHIVVAPYMSGYDF-UHFFFAOYAY
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User Data

  • experimental physchem properties
    • Melting Point: -26
    • Melting Point: -26
    • Melting Point: -32 C
    • Boiling Point: 154-156
    • Boiling Point: 154-156
    • Boiling Point: 312F
    • Boiling Point: 154-156°
    • Boiling Point: 156 C
    • Flash Point: 47(116F)
    • Flash Point: 47(116F)
    • Flash Point: 146F
    • Flash Point: 44 C (closed cup)
    • Freezing Point: -49F
    • Specific Gravity: 0.9478
    • Specific Gravity: 0.9478
    • Specific Gravity: 0.95
    • Specific Gravity: 0.947-0.950
    • Refraction Index: 1.4507
    • Refraction Index: 1.4507
    • Refraction Index: 1.447-1.453
    • logP: 0.81
    • Solubility: 15%
    • Solubility: -0.60
    • Ionization Potential: 9.14 eV
    • Vapor Pressure: 5 mmHg
  • miscellaneous
    • Appearance: Water-white to pale-yellow liquid with a peppermint- or acetone-like odor.
    • Appearance: colourless liquid
    • Appearance: Oily liquid; odour reminiscent of peppermint and acetone
    • Stability: Stable. Combustible. Incompatible with strong oxidizingagents.
    • Toxicity: ORL-RAT LD50 1620 mg kg-1, IPR-MUS LD50 1350 mg kg-1, SKN-RBT LD50 1000 mg kg-1
    • Safety: DANGER: FLAMMABLE, causes CNS injury, lung & eye irritation
    • Safety: DANGER: FLAMMABLE, causes CNS injury, lung & eye irritation
    • Safety: Safety glasses, adequate ventilation.
    • First Aid: Eye: Irrigate immediately Skin: Water flush promptly Breathing: Respiratory support Swallow: Medical attention immediately
    • Exposure Routes: inhalation, skin absorption, ingestion, skin and/or eye contact
    • Symptoms: Irritation eyes, skin, mucous membrane; headache; narcosis, coma; dermatitis; in animals: liver, kidney damage
    • Target Organs: Eyes, skin, respiratory system, central nervous system, liver, kidneys
    • Incompatibilities and Reactivities: Oxidizers, nitric acid
    • Personal protection and Sanitation: Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: No recommendation
    • Exposure Limits: NIOSH REL : TWA 25 ppm (100 mg/m 3 ) [skin] OSHA PEL ?: TWA 50 ppm (200 mg/m 3 )
Names and Synonyms

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

1,3-Cyclo​hexanone

257-058-7 [EINECS/ELINCS]

51209-49-5 [RN]

Cyclohexa​nal

Cyclohexa​non

ketocyclo​hexane

oxocycloh​exane

Cykloheks​anon [Polish]

[2H10]cyc​lohexanone

108-94-1 [RN]

More...
Database ID(s)

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

(Details...) Predicted Properties
LogP: ACD/LogP: 0.76
XLogP: 0.90
ALOGPS: 1.03
# of Rule of 5 Violations: 0
ACD/LogD (pH 5.5): 0.76 ACD/LogD (pH 7.4): 0.76
ACD/BCF (pH 5.5): 2.23 ACD/BCF (pH 7.4): 2.23
ACD/KOC (pH 5.5): 61.89 ACD/KOC (pH 7.4): 61.89
#H bond acceptors: 1 #H bond donors: 0
#Freely Rotating Bonds: 0 Polar Surface Area: 17.07 Å2
Index of Refraction: 1.452 Molar Refractivity: 27.8 cm3
Molar Volume: 102.9 cm3 Polarizability: 11.02 10-24cm3
Surface Tension: 32.5 dyne/cm Density: 0.953 g/cm3
Flash Point: 46.7 °C Enthalpy of Vaporization: 39.25 kJ/mol
Boiling Point: 155.7 °C at 760 mmHg Vapour Pressure: 2.99 mmHg at 25°C
            
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  1.13
    Log Kow (Exper. database match) =  0.81
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  154.98  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -29.56  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  4.04  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -31 deg C
    BP  (exp database):  155.4 deg C
    VP  (exp database):  4.33E+00 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  2.408e+004
       log Kow used: 0.81 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  2.5e+004 mg/L (25 deg C)
        Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  44013 mg/L
    Wat Sol (Exper. database match) =  25000.00
       Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.11E-005  atm-m3/mole
   Group Method:   1.28E-005  atm-m3/mole
   Exper Database: 9.00E-06  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  2.167E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.81  (exp database)
  Log Kaw used:  -3.434  (exp database)
      Log Koa (KOAWIN v1.10 estimate):  4.244
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7077
   Biowin2 (Non-Linear Model)     :   0.7617
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9598  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6839  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6365
   Biowin6 (MITI Non-Linear Model):   0.8466
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.1559
 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):  577 Pa (4.33 mm Hg)
  Log Koa (Koawin est  ): 4.244
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  5.2E-009 
       Octanol/air (Koa) model:  4.31E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.88E-007 
       Mackay model           :  4.16E-007 
       Octanol/air (Koa) model:  3.44E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  12.0971 E-12 cm3/molecule-sec
      Half-Life =     0.884 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    10.610 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 3.02E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  15.15
      Log Koc:  1.180 

 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: 0.81 (expkow database)

 Volatilization from Water:
    Henry LC:  9E-006 atm-m3/mole  (Henry experimental database)
    Half-Life from Model River:      65.46  hours   (2.727 days)
    Half-Life from Model Lake :      797.2  hours   (33.22 days)

 Removal In Wastewater Treatment:
    Total removal:               2.37  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.77  percent
    Total to Air:                0.50  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       4               40.2         1000       
   Water     44.3            360          1000       
   Soil      51.6            720          1000       
   Sediment  0.0861          3.24e+003    0          
     Persistence Time: 347 hr