ChemSpider 2D Image | Metacetamol | C8H9NO2

Metacetamol

  • Molecular FormulaC8H9NO2
  • Average mass151.163 Da
  • Monoisotopic mass151.063324 Da
  • ChemSpider ID11626

More details:






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

210-687-0 [EINECS]
3-Acetamidophenol
3-hydroxyacetanilide
Acetamide, N-(3-hydroxyphenyl)- [ACD/Index Name]
AE4100000
metacetamol [Spanish] [INN]
Metacetamol [INN]
métacétamol [French] [INN]
metacetamolum [Latin] [INN]
N-(3-Hydroxyphenyl)acetamid [German] [ACD/IUPAC Name]
More...

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

2701 [DBID]
MFCD00002263 [DBID]
00350_FLUKA [DBID]
A7205_ALDRICH [DBID]
AI3-01929 [DBID]
BRN 0907998 [DBID]
BS 479 [DBID]
BS 749 [DBID]
CCRIS 4567 [DBID]
CCRIS 4693 [DBID]
More...
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      148 °C TCI H0188
      146-149 °C Alfa Aesar
      147-150 °C Merck Millipore 4665, 841293
      146 °C Jean-Claude Bradley Open Melting Point Dataset 13967
      147 °C Jean-Claude Bradley Open Melting Point Dataset 19157
      148 °C Jean-Claude Bradley Open Melting Point Dataset 3559
      146-149 °C Alfa Aesar A12764
      147 °C Parchem – fine & specialty chemicals 43825
      145-148 °C Sigma-Aldrich SIAL-00350
  • Predicted Physico-chemical Properties
  • Miscellaneous
    • Safety:

      26-37 Alfa Aesar A12764
      36/37/38 Alfa Aesar A12764
      WARNING: Irritates lungs, eyes, skin Alfa Aesar A12764
    • Target Organs:

      Others TargetMol T0914
    • Chemical Class:

      A derivative of phenol which has an acetamido substituent located <ital>meta</ital> to the phenolic -OH group. It is a non-toxic regioisomer of paracetamol with analgesic properties, but has never bee n marketed as a drug. ChEBI CHEBI:76987
      A derivative of phenol which has an acetamido substituent located meta to the phenolic -OH group. It is a non-toxic regioisomer of paracetamol with analgesic properties, but has never bee; n marketed as a drug. ChEBI https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:76987
      A derivative of phenol which has an acetamido substituent located meta to the phenolic -OH group. It is a non-toxic regioisomer of paracetamol with analgesic properties, but has never been marketed as a drug. ChEBI CHEBI:76987
    • Bio Activity:

      Others TargetMol T0914
  • Gas Chromatography

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

Density: 1.3±0.1 g/cm3
Boiling Point: 382.6±25.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.9 mmHg at 25°C
Enthalpy of Vaporization: 65.6±3.0 kJ/mol
Flash Point: 185.2±23.2 °C
Index of Refraction: 1.619
Molar Refractivity: 42.4±0.3 cm3
#H bond acceptors: 3
#H bond donors: 2
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 0.73
ACD/LogD (pH 5.5): 0.76
ACD/BCF (pH 5.5): 2.21
ACD/KOC (pH 5.5): 61.41
ACD/LogD (pH 7.4): 0.75
ACD/BCF (pH 7.4): 2.20
ACD/KOC (pH 7.4): 61.06
Polar Surface Area: 49 Å2
Polarizability: 16.8±0.5 10-24cm3
Surface Tension: 52.8±3.0 dyne/cm
Molar Volume: 120.9±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) =  0.27
    Log Kow (Exper. database match) =  0.73
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  340.65  (Adapted Stein & Brown method)
    Melting Pt (deg C):  119.92  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.53E-006  (Modified Grain method)
    MP  (exp database):  147 deg C
    Subcooled liquid VP: 6.12E-005 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):  1.785e+004
       log Kow used: 0.73 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2.3665e+005 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.42E-013  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.934E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.73  (exp database)
  Log Kaw used:  -10.581  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.311
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0015
   Biowin2 (Non-Linear Model)     :   0.9886
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8673  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8748  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4866
   Biowin6 (MITI Non-Linear Model):   0.5090
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.1124
 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):  0.00816 Pa (6.12E-005 mm Hg)
  Log Koa (Koawin est  ): 11.311
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000368 
       Octanol/air (Koa) model:  0.0502 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0131 
       Mackay model           :  0.0286 
       Octanol/air (Koa) model:  0.801 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 200.2420 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): 0.0208 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  61.72
      Log Koc:  1.790 

 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: 0.73 (expkow database)

 Volatilization from Water:
    Henry LC:  6.42E-013 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.121E+009  hours   (4.672E+007 days)
    Half-Life from Model Lake : 1.223E+010  hours   (5.097E+008 days)

 Removal In Wastewater Treatment:
    Total removal:               1.87  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.78  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       1.51e-005       1.28         1000       
   Water     36.4            360          1000       
   Soil      63.5            720          1000       
   Sediment  0.07            3.24e+003    0          
     Persistence Time: 597 hr




                    

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