Description
MilliporeSigma Methanol, ACS,USP/NF, 20L
Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS
Synonym: Methyl alcohol
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CAS Number 67-56-1
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Linear Formula CH3OH
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Molecular Weight 32.04
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Beilstein/REAXYS Number 1098229
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MDL number MFCD00004595
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EC Index Number 200-659-6
Application
Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS
Properties
Agency
meets USP/NF
vapor density
1.11 (vs air)
vapor pressure
128 hPa ( 20 °C)
410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)
assay
≥99.8% (GC)
form
liquid
autoignition temp.
725 °F
expl. lim.
36 %
impurities
≤0.0003 meq/g Titrable acid
≤0.001% Carbonyl (acetone, formaldehyde, acetaldehyde)
≤0.1% Water (H2O)
≤2 ppm Benzene (GC)
0.0002 meq Titrable base
evapn. residue
≤0.001%
color
clearAPHA: ≤10
refractive index
n20/D 1.329 (lit.)
bp
64.7 °C (lit.)
mp
−98 °C (lit.)
transition temp
flash point 9.7 °C
density
0.791 g/mL at 25 °C (lit.)
shipped in
ambient
storage temp.
room temp
SMILES string
CO
InChI
1S/CH4O/c1-2/h2H,1H3
InChI key
OKKJLVBELUTLKV-UHFFFAOYSA-N
Packaging: 20L Steel barrel
Analysis Note
Evaporation Number: 1.9
AppearanceClearAssay (GC)99.8% minCarbonyl (acetone,formaldehyde,acetaldehyde)0.001% maxColor (APHA)10 maxEvaporation residue0.001% maxSolubility in waterTo pass testSubstances darkened by sulfuric acidTo pass testSubstances reducing permanganateTo pass testTitrable acid0.0003meq/g maxTitrable base0.0002meq/g maxWater (H2O)0.1% max