Methanol

grade

gradient grade

vapor density

1.11 (vs air)

vapor pressure

410 mmHg ( 50 °C)
97.68 mmHg ( 20 °C)

Assay

≥99.9%

form

liquid

autoignition temp.

725 °F

expl. lim.

36 %

technique(s)

HPLC: suitable

impurities

KMnO₄ red. matter (as O) in accordance
≤0.0005% free alkali (as NH₃)
≤0.0005% non-volatile matter
≤0.001% acetaldehyde
≤0.001% acetone (GC)
≤0.001% formaldehyde
≤0.02% water (Karl Fischer)
≤1 ppb fluorescence (quinine) at 254 nm
≤1 ppb fluorescence (quinine) at 365nm

evapn. residue

<0.0003%

color

APHA: ≤10

refractive index

n20/D 1.329 (lit.)

bp

64.7 °C (lit.)

mp

−98 °C (lit.)

density

0.791 g/mL at 25 °C (lit.)

HPLC-gradient

≤2 mAU at 230 nm
≤5 mAU at 254 nm

absorption

in accordance

UV absorption

λ: 210 nm A_max: 0.50
λ: 220 nm A_max: 0.30
λ: 230 nm A_max: 0.15
λ: 235 nm A_max: 0.10
λ: 240 nm A_max: 0.05
λ: 260 nm A_max: 0.01
λ: 400 nm A_max: 0.01

format

neat

SMILES string

CO

InChI

1S/CH4O/c1-2/h2H 1H3

InChI key

OKKJLVBELUTLKV-UHFFFAOYSA-N