Description
MilliporeSigma Methanol, HPLC, 4L
HPLC, Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs
Synonym(s): Methyl alcohol
Linear Formula: CH3OH
CAS Number: 67-56-1
Molecular Weight: 32.04
Beilstein: 1098229
MDL number: MFCD00004595
EC Index Number: 200-659-6
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 %
technique(s)
HPLC: suitable
impurities
≤0.0002 meq/g Titrable base
≤0.0003 meq/g Titrable acid
≤0.001% Carbonyl (acetone,formaldehyde,acetaldehyde)
≤0.05% Water (H2O)
evapn. residue
≤2 ppm
color
APHA: ≤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.)
UV cutoff
≤205 nm
UV absorption
λ: 205 nm Amax: ≤1.00
λ: 210 nm Amax: ≤0.80
λ: 220 nm Amax: ≤0.40
λ: 230 nm Amax: ≤0.20
λ: 240 nm Amax: ≤0.10
λ: 260 nm Amax: ≤0.04
λ: 280-400 nm Amax: ≤0.01
shipped in
ambient
storage temp.
room temp
SMILES string
CO
InChI
1S/CH4O/c1-2/h2H,1H3
InChI key
OKKJLVBELUTLKV-UHFFFAOYSA-N
Preparation Note
Product filtered through a 0.2 μm filter
Analysis Note
Evaporation Number: 1.9
AppearanceClear liquid free from particulatesAssay (GC)99.8% minCarbonyl (acetone,formaldehyde,acetaldehyde)0.001% maxColor (APHA)10 maxEvaporation residue2ppm maxFiltered through 0.2 µm filterTo pass testGradient at 254 nm0.005AU maxIdentity (IR-spectrum)ConformsSolubility in waterTo pass testSubstances darkened by sulfuric acidTo pass testSubstances reducing permanganateTo pass testTitrable acid0.0003meq/g maxTitrable base0.0002meq/g maxUV Abs. at 205 nm1.00AU maxUV Abs. at 210 nm0.80AU maxUV Abs. at 220 nm0.40AU maxUV Abs. at 230 nm0.20AU maxUV Abs. at 240 nm0.10AU maxUV Abs. at 260 nm0.04AU maxUV Abs. at 280 - 400 nm0.01AU maxUV Cut-off205nm maxWater (H2O)0.05% max