Methanol | CAS No. 67-56-1

Methanol

Basic Information

CAS Number

67-56-1

Molecular Formula

CH4O

Molecular Weight

32.04 g/mol

EINECS

200-659-6

AD

Basic Physical Properties

Physical State

<10(APHA)

Melting Point

-98 °C

Boiling Point

65.4 °C

Density

0.791 g/mL at 25 °C

Water Solubility

miscible

Flash Point

52 °F

Solubility

benzene: miscible(lit.)

Refractive Index

n20/D 1.329(lit.)

Vapor Pressure

410 mm Hg ( 50 °C)

Vapor Density

1.11 (vs air)

Odor

Faint alcohol odor detectable at 4 to 6000 ppm (mean = 160 ppm)

Odor Threshold

33ppm

InChI

InChI=1S/CH4O/c1-2/h2H,1H3

InChIKey

OKKJLVBELUTLKV-UHFFFAOYSA-N

LogP

-0.3915

pKa

15.2(at 25℃)

Topological Polar Surface Area

20.23 Ų

Hydrogen Bond Donor/Acceptor

1 / 1

Complexity

2

Safety Information

View Safety Information

GHS Hazard Pictograms

H225H225
H301H301
H311H311
H331H331
H370H370

Hazard Statement

H225 Highly Flammable liquid and vapor
Flammable liquids
H301 Toxic if swallowed
Acute toxicity, oral
H311 Toxic in contact with skin
Acute toxicity, dermal
H331 Toxic if inhaled
Acute toxicity, inhalation
H370 Causes damage to organs
Specific target organ toxicity, single exposure

Hazard Class

Class 3 Class 3

Sensitiveness

prone to moisture absorption

Auto-ignition Temperature

385 °C

Explosive Limit

5.5-44%(V)

Toxicity

LD50 oral (rat) 5628 mg/kg LD50 skin (rabbit) 15,840 mg/kg LC50 inhal (rat) >145,000 ppm (1 h) PEL (OSHA) 200 ppm (260 mg/m3) TLV-TWA (ACGIH) 200 ppm (260 mg/m3)—skin STEL (ACGIH) 250 ppm (328 mg/m3)

Synonyms & References

English

  • METHYL RED MIXED SOLUTION
  • METHYL RED, NEUTRAL
  • METHYL RED MIXED SOLUTION R
  • METHYL RED INDICATOR
  • METHYL RED ETHANOL
  • METHYL RED, WATER SOLUBLE
  • METHYL RED, SPIRIT SOLUBLE
  • METHYL RED SOLUTION R
  • Methyl alcohol
  • Carbinol
  • colonial spirit
  • columbian spirit
  • columbian spirits
  • Methanol
  • methyl hydroxide
  • Methylol
  • monohydroxymethane
  • pyroxylic spirit
  • Wood alcohol
  • wood naphtha
  • wood spirit
  • Methanol,refined
  • Methyl alcohol,refined
  • Methanol,anhydrous
  • Methanol Solution
  • Methanolneat
  • Oxygenates Refinery Daily QC Standard
  • PMI Standard Direct Injection
  • ACS
  • Alcool methylique
  • Alcool metilico

MDL Number

MFCD00004595

EC Number

200-659-6

Customs Code

2905 11 00

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