Ethyl alcohol, pure

产品名称

酒精, absolute, reag. ISO, reag. Ph. Eur., ≥99.8% (GC), liquid (clear, colorless)

InChI key

LFQSCWFLJHTTHZ-UHFFFAOYSA-N

InChI

1S/C2H6O/c1-2-3/h3H,2H2,1H3

agency

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

Quality Level

200

vapor pressure

44.6 mmHg ( 20 °C)

grade

absolute

assay

≥99.8% (GC)

form

liquid (clear, colorless)

autoignition temp.

683 °F

expl. lim.

19 %, 60 °F

technique(s)

UV/Vis spectroscopy: suitable

impurities

furfural, in accordance, volatile impurities (GC), complies, ≤0.0001% free alkali (as NH₃), ≤0.0001% heavy metals (as Pb), ≤0.0003% KMnO₄ red. matter (as O), ≤0.0005% free acid (as CH₃COOH), ≤0.001% acetone (GC), ≤0.001% aldehydes (as CH₃CHO), ≤0.001% non-volatile matter, ≤0.003% 2-propanol, ≤0.003% carbonyl compounds (as CO), ≤0.02% methanol (GC), ≤0.05% iso-amyl alcohol, ≤0.2% water (Karl Fischer)

color

APHA: >10

refractive index

n20/D 1.3600 (lit.), n20/D 1.3612-1.3618

pH

7.0 (20 °C, 10 g/L)

mp

−114 °C (lit.)

cation traces

Al: ≤0.5 mg/kg, B: ≤0.02 mg/kg, Ba: ≤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: ≤0.02 mg/kg, Fe: ≤0.1 mg/kg, Mg: ≤0.1 mg/kg, Mn: ≤0.02 mg/kg, Ni: ≤0.02 mg/kg, Pb: ≤0.1 mg/kg, Sn: ≤0.1 mg/kg, Zn: ≤0.1 mg/kg

suitability

corresponds for UV absorption, passes test for reaction against H₂SO₄

format

neat