Nae tae be confused wi menthol or methanal.
Skeletal formula o methanol wi some explicit hydrogens addit
Spacefill model o methanol
Stereo skeletal formula o methanol wi aw explicit hydrogen addit
Baw an stick model o methanol
Preferred IUPAC name
Ither names
Columbian spirits
Methyl alcohol
Methyl hydrate
Methyl hydroxide
Methylic alcohol
Pyroligneous spirit
Wood alcohol
Wood naphtha
Wood spirit
3D model (JSmol)
Beilstein Reference
ECHA InfoCard100.000.599
Gmelin Reference449
RTECS nummerPC1400000
UN nummer1230
Molar mass32.04 g mol−1
AppearanceColourless liquid
Density0.792 g·cm−3[2]
Meltin pynt −97.6 °C (−143.7 °F; 175.6 K)
Bylin pynt 64.7 °C (148.5 °F; 337.8 K)
Vapour pressur13.02 kPa (at 20 °C)
Acidity (pKa)15.5[3]
Magnetic susceptibility-21.40·10−6 cm3/mol
Refractive index (nD)1.33141[4]
Viscosity0.545 mPa×s (at 25 °C) [5]
1.69 D
GHS pictogramsThe flame pictogram in the Globally Harmonized Seestem o Classification an Labelling o Chemicals (GHS) The skull-an-crossbones pictogram in the Globally Harmonized Seestem o Classification an Labellin o Chemicals (GHS) The health hazard pictogram in the Globally Harmonized Seestem o Classification an Labellin of Chemicals (GHS)[6]
GHS signal wirdDanger [6]
GHS hazard statementsH225, H301, H311, H331, H370[6]
GHS precautionary statementsP210, P233, P240, P241, P242, P243, P260, P264, P270, P280, P301+310, P303+361+353, P304+340, P330[6]
NFPA 704
Flash pynt 11 tae 12 °C (52 tae 54 °F; 284 tae 285 K)
470[7] °C (878 °F; 743 K)
Explosive leemits6%-36%[8]
Lethal dose or concentration (LD, LC):
LD50 (Median dose)
5628 mg/kg (rat, oral)
7300 mg/kg (moose, oral)
12880 mg/kg (rat, oral)
14200 mg/kg (rabbit, oral)[9]
LC50 (Median concentration)
64,000 ppm (rat, 4 hr)[9]
LCLo (Lawest published)
33,082 ppm (cat, 6 hr)
37,594 ppm (moose, 2 hr)[9]
US heal exposur leemits (NIOSH):
PEL (Permissible)
TWA 200 ppm (260 mg/m3)[8]
REL (Recommendit)
TWA 200 ppm (260 mg/m3) ST 250 ppm (325 mg/m3) [skin][8]
IDLH (Immediate danger)
6000 ppm[8]
Relatit compoonds
Relatit compoonds
Except whaur itherwise notit, data are gien for materials in thair staundart state (at 25 °C [77 °F], 100 kPa).
YesY verify (whit is YesYN ?)
Infobox references

Methanol, an aa kent as methyl alcohol amang ithers, is a chemical wi the formula CH3OH (eften abbreviatit MeOH). Methanol acquired the name "wid alcohol" acause it wis ance produced chiefly as a biproduct o the destructive distillation o wid. The day, industrial methanol is produced in a catalytic process directly frae carbon monoxide, carbon dioxide, an hydrogen.

  • references


  1. Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book). Cambridge: The Royal Society of Chemistry. 2014. p. 692. 10.1039/9781849733069-FP001. ISBN 978-0-85404-182-4. 
  2. Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5. 
  3. Ballinger, P.; Long, F.A. (1960). "Acid Ionization Constants of Alcohols. II. Acidities of Some Substituted Methanols and Related Compounds". J. Am. Chem. Soc. 82 (4): 795–798. 10.1021/ja01489a008. 
  4. "RefractiveIndex.INFO - Refractive index database". 
  5. González, Begoña (2007). "Density, dynamic viscosity, and derived properties of binary mixtures of methanol or ethanol with water, ethyl acetate, and methyl acetate at T = (293.15, 298.15, and 303.15) K". The Journal of Chemical Thermodynamics. 39 (12): 1578–1588. 10.1016/j.jct.2007.05.004. 
  6. 6.0 6.1 6.2 6.3 "Methanol" (PDF). Lab Chem. Valtech. Retrieved 10 March 2016. 
  7. "METHANOL INSTITUTE". Archived frae the oreeginal on 2012-03-11. 
  8. 8.0 8.1 8.2 8.3 Pocket Guide tae Chemical Hazards 0397
  9. 9.0 9.1 9.2 "Methanol". Immediately Dangerous to Life and Health. National Institute for Occupational Safety and Health (NIOSH). 
  10. "The Emergency Response Safety and Health Database: Systematic Agent: METHANOL". Centers for Disease Control and Prevention. Retrieved 26 August 2009. 
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