ChemSpider 2D Image | monomethylhydrazine | CH6N2

monomethylhydrazine

  • Molecular FormulaCH6N2
  • Average mass46.072 Da
  • Monoisotopic mass46.053097 Da
  • ChemSpider ID5837

More details:

Featured data source
The Merck Index Online

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

200-471-4 [EINECS]
60-34-4 [RN]
Hydrazine, methyl- [ACD/Index Name]
Methylhydrazin [German] [ACD/IUPAC Name]
Methylhydrazine [ACD/IUPAC Name]
Méthylhydrazine [French] [ACD/IUPAC Name]
metil hidrazina [Portuguese]
Metilhidrazina [Spanish]
MFCD00007621 [MDL number]
MMH
More...

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

635645 [DBID]
67540_FLUKA [DBID]
AI3-52240 [DBID]
BRN 0635645 [DBID]
CCRIS 394 [DBID]
D009002 [DBID]
HSDB 1172 [DBID]
M50001_ALDRICH [DBID]
RCRA waste no. P068 [DBID]
RCRA waste number P068 [DBID]
More...
  • Experimental Physico-chemical Properties
  • Miscellaneous

    • Appearance:

      colourless liquid with an ammonia-like odour OU Chemical Safety Data (No longer updated) More details
      Fuming, colorless liquid with an ammonia-like odor. NIOSH MV5600000

    • Stability:

      Stable. Flammable. Hygroscopic. Incompatible with strong oxidizing agents, copper,iron and their alloys. OU Chemical Safety Data (No longer updated) More details

    • Toxicity:

      ORL-RAT LD50 33 mg kg-1, SKN-RAT LD50 183 mg kg-1, SCU-RAT LD50 35 mg kg-1, IVN-RAT LD50 17 mg kg-1, ORL-MUS LD50 57 mg kg-1 OU Chemical Safety Data (No longer updated) More details

    • Safety:

      Safety glasses, gloves, good ventilation. Handleas a possible carcinogen. OU Chemical Safety Data (No longer updated) More details

    • First-Aid:

      Eye: Irrigate immediately Skin: Water flush immediately Breathing: Respiratory support Swallow: Medical attention immediately NIOSH MV5600000

    • Exposure Routes:

      inhalation, skin absorption, ingestion, skin and/or eye contact NIOSH MV5600000

    • Symptoms:

      Irritation eyes, skin, respiratory system; vomiting, diarrhea, tremor, ataxia; anoxia, cyanosis; convulsions; [potential occupational carcinogen] NIOSH MV5600000

    • Target Organs:

      Eyes, skin, respiratory system, central nervous system, liver, blood, cardiovascular system Cancer Site [in animals: lung, liver, blood vessel & intestine tumors] NIOSH MV5600000

    • Incompatibility:

      Oxides of iron; copper; manganese; lead; copper alloys; porous materials such as earth, asbestos, wood & cloth; strong oxidizers such as fluorine & chlorine; nitric acid; hydrogen peroxide NIOSH MV5600000

    • Personal Protection:

      Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet (flammable) Change: No recommendation Provide: Eyewash, Quick drench NIOSH MV5600000

    • Exposure Limits:

      NIOSH REL : Ca C 0.04 ppm (0.08 mg/m 3 ) [2-hr] See Appendix A OSHA PEL : C 0.2 ppm (0.35 mg/m 3 ) [skin] NIOSH MV5600000
  • Gas Chromatography

    • Retention Index (Linear):

      1479 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 50 C; End T: 230 C; CAS no: 60344; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Shimoda, M.; Shigematsu, H.; Shiratsuchi, H.; Osajima, Y., Comparison of volatile compounds among different grades of green tea and their relations to odor attributes, J. Agric. Food Chem., 43, 1995, 1621-1625., Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 50 C; End T: 230 C; CAS no: 60344; Active phase: DB-Wax; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Shimoda, M.; Shigematsu, H.; Shiratsuchi, H.; Osajima, Y., Comparison of the odor concentrates by SDE and adsorptive column method from green tea infusion, J. Agric. Food Chem., 43, 1995, 1616-1620.) NIST Spectra nist ri

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

Density: 0.8±0.1 g/cm3
Boiling Point: 87.5±9.0 °C at 760 mmHg
Vapour Pressure: 63.6±0.2 mmHg at 25°C
Enthalpy of Vaporization: 36.1±0.0 kJ/mol
Flash Point: 21.1±0.0 °C
Index of Refraction: 1.396
Molar Refractivity: 13.8±0.3 cm3
#H bond acceptors: 2
#H bond donors: 3
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: -1.05
ACD/LogD (pH 5.5): -3.80
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -2.38
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 38 Å2
Polarizability: 5.5±0.5 10-24cm3
Surface Tension: 25.2±3.0 dyne/cm
Molar Volume: 57.5±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) =  -1.00
    Log Kow (Exper. database match) =  -1.05
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  59.42  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -57.59  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  63.7  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -52.4 deg C
    BP  (exp database):  87.5 deg C
    VP  (exp database):  5.00E+01 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1e+006
       log Kow used: -1.05 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  1e+006 mg/L (25 deg C)
        Exper. Ref:  MERCK INDEX (1983)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 mg/L
    Wat Sol (Exper. database match) =  1000000.00
       Exper. Ref:  MERCK INDEX (1983)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.16E-008  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.861E-006 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -1.05  (exp database)
  Log Kaw used:  -5.889  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.839
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7256
   Biowin2 (Non-Linear Model)     :   0.9133
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0974  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7813  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2025
   Biowin6 (MITI Non-Linear Model):   0.0000
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.7565
 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):  6.67E+003 Pa (50 mm Hg)
  Log Koa (Koawin est  ): 4.839
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.5E-010 
       Octanol/air (Koa) model:  1.69E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.63E-008 
       Mackay model           :  3.6E-008 
       Octanol/air (Koa) model:  1.36E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  64.2648 E-12 cm3/molecule-sec
      Half-Life =     0.166 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.997 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 2.61E-008 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  17.84
      Log Koc:  1.251 

 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: -1.05 (expkow database)

 Volatilization from Water:
    Henry LC:  3.16E-008 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.258E+004  hours   (524 days)
    Half-Life from Model Lake : 1.373E+005  hours   (5719 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.75  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       0.0353          0.257        1000       
   Water     47.4            360          1000       
   Soil      52.4            720          1000       
   Sediment  0.0868          3.24e+003    0          
     Persistence Time: 351 hr

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