Methanol

Product Name

Methanol, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.8% (GC)

SMILES string

CO

InChI key

OKKJLVBELUTLKV-UHFFFAOYSA-N

InChI

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

grade

ACS reagent, puriss. p.a.

agency

USP/NF, reag. ISO, reag. Ph. Eur.

vapor density

1.11 (vs air)

vapor pressure

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

≤0.00005% free alkali (as NH₃), ≤0.0001% formaldehyde, ≤0.00025% KMnO₄ red. matter (as O), ≤0.0005% non-volatile matter, ≤0.001% acetaldehyde, ≤0.001% acetone (GC), ≤0.05% water (Karl Fischer), ≤0.1% ethanol (GC)

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.)

anion traces

chloride (Cl^-): ≤0.5 mg/kg, sulfate (SO₄^2-): ≤1 mg/kg

cation traces

Al: ≤0.50 ppm, B: ≤0.02 ppm, Ba: ≤0.10 ppm, Bi: ≤0.10 ppm, Ca: ≤0.50 ppm, Cd: ≤0.05 ppm, Co: ≤0.02 ppm, Cr: ≤0.02 ppm, Cu: ≤0.01 ppm, Fe: ≤0.10 ppm, K: ≤0.50 ppm, Li: ≤0.10 ppm, Mg: ≤0.10 ppm, Mn: ≤0.01 ppm, Mo: ≤0.10 ppm, Na: ≤0.50 ppm, Ni: ≤0.02 ppm, Pb: ≤0.02 ppm, Sn: ≤0.10 ppm, Sr: ≤0.10 ppm, Zn: ≤0.10 ppm

format

neat