Méthanol

Nom du produit

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

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

Quality Level

200

technique(s)

immunofluorescence: 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)

mp

−98 °C (lit.)

anion traces

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

cation traces

Al: ≤0.5 mg/kg, B: ≤0.02 mg/kg, Ba: ≤0.1 mg/kg, Bi: ≤0.1 mg/kg, Ca: ≤0.5 mg/kg, Cd: ≤0.05 mg/kg, Co: ≤0.02 mg/kg, Cr: ≤0.02 mg/kg, Cu: ≤0.01 mg/kg, Fe: ≤0.1 mg/kg, K: ≤0.5 mg/kg, Li: ≤0.1 mg/kg, Mg: ≤0.1 mg/kg, Mn: ≤0.01 mg/kg, Mo: ≤0.1 mg/kg, Na: ≤0.5 mg/kg, Ni: ≤0.02 mg/kg, Pb: ≤0.02 mg/kg, Sn: ≤0.1 mg/kg, Sr: ≤0.1 mg/kg, Zn: ≤0.1 mg/kg

format

neat