乙酸

InChI

1S/C2H4O2/c1-2(3)4/h1H3,(H,3,4)

InChI key

QTBSBXVTEAMEQO-UHFFFAOYSA-N

SMILES string

[F2C(F2C)13F3C]C(O)=O

grade

ACS reagent

vapor density

2.07 (vs air)

assay

≥99.7%

autoignition temp.

800 °F

expl. lim.

16 %, 92 °F, 4 %, 59 °F

impurities

Substances reducing dichromate, passes test, Substances reducing permanganate, passes test, ≤0.0004 meq/g Titratable base, ≤0.01% Acetic anhydride ([CH₃CO]_sO)

evapn. residue

≤0.001%

color

APHA: ≤10

refractive index

n20/D 1.371 (lit.)

bp

117-118 °C (lit.)

mp

16.2 °C (lit.)

density

1.04 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤1 ppm, sulfate (SO₄^2-): ≤1 ppm

cation traces

Fe: ≤0.2 ppm, heavy metals (as Pb): ≤0.5 ppm