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65543 Sigma-Aldrich

Methanol

puriss. p.a., absolute, ACS reagent, ≥99.8% (GC)

DOWNLOAD MSDS (PDF)

Synonym: Methyl alcohol

  • CAS Number 67-56-1

  • Linear Formula CH3OH

  • Molecular Weight 32.04

  •  Beilstein Registry Number 1098229

  •  EC Number 200-659-6

  •  MDL number MFCD00004595

Methanol puriss. p.a., absolute, ACS reagent, ≥99.8% (GC)
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Properties

Related Categories Methanol, Solvent by Type, Solvents More...
grade   ACS reagent
vapor density   1.11 (vs air)
vapor pressure   410 mmHg ( 50 °C)
  97.68 mmHg ( 20 °C)
grade   absolute
  puriss. p.a.
assay   ≥99.8% (GC)
autoignition temp.   725 °F
expl. lim.   36 %
impurities   KMnO4-reducing substances, in accordance
  acetone, none detected
  substances darkened by H2SO4, in accordance
  ≤0.0001% free alkali (as NH3)
  ≤0.001% aldehyde (as CH3CHO)
  ≤0.001% ketone (as CH3COCH3)
  ≤0.0025% free acid (as HCOOH)
  ≤0.05% water
  <0.001% formaldehyde (HCHO)
evapn. residue   ≤0.001%
refractive index   n20/D 1.329(lit.)
  n20/D 1.329
bp   64.7 °C(lit.)
mp   −98 °C(lit.)
density   0.791 g/mL at 20 °C
  0.791 g/mL at 25 °C(lit.)
cation traces   Al: ≤0.5 mg/kg
  Ba: ≤0.1 mg/kg
  Bi: ≤0.1 mg/kg
  Ca: ≤0.5 mg/kg
  Cd: ≤0.05 mg/kg
  Co: ≤0.05 mg/kg
  Cr: ≤0.02 mg/kg
  Cu: ≤0.02 mg/kg
  Fe: ≤0.5 mg/kg
  K: ≤0.5 mg/kg
  Li: ≤0.1 mg/kg
  Mg: ≤0.1 mg/kg
  Mn: ≤0.02 mg/kg
  Mo: ≤0.1 mg/kg
  Na: ≤0.5 mg/kg
  Ni: ≤0.1 mg/kg
  Pb: ≤0.1 mg/kg
  Sr: ≤0.1 mg/kg
  Zn: ≤0.1 mg/kg
suitability   in accordance for miscibility
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