Formic acid 98-100%

grade

ACS reagent

Quality Level

300

Agency

reag. Ph. Eur.

vapor density

1.6 (vs air)

vapor pressure

44.8 mmHg ( 20 °C)

product line

EMSURE^®

Assay

≥98% (alkalimetric)

form

liquid

autoignition temp.

1004 °F

expl. lim.

12-38 % (v/v)
57 %

technique(s)

HPLC: suitable

impurities

≤500 ppm Acetic acid (CH₃COOH)

evapn. residue

≤10 ppm

color

APHA: ≤10

refractive index

n20/D 1.370 (lit.)

pH

2.2 (20 °C 10 g/L in H₂O)

bp

100-101 °C (lit.)
101 °C/1013 hPa

mp

8.2-8.4 °C (lit.)

transition temp

flash point 49.5 °C

density

1.22 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^–): ≤5 ppm
sulfate (SO₄^2-): ≤5 ppm
sulfite (SO₃^2-): ≤10 ppm

cation traces

Ag: ≤0.020 ppm
Al: ≤0.050 ppm
Ba: ≤0.050 ppm
Be: ≤0.020 ppm
Bi: ≤0.10 ppm
Ca: ≤0.20 ppm
Cd: ≤0.050 ppm
Co: ≤0.020 ppm
Cr: ≤0.050 ppm
Cu: ≤0.020 ppm
Fe: ≤2.0 ppm
Ge: ≤0.050 ppm
K: ≤0.10 ppm
Li: ≤0.020 ppm
Mg: ≤0.50 ppm
Mn: ≤0.050 ppm
Mo: ≤0.020 ppm
NH₄⁺: ≤10 ppm
Na: ≤0.50 ppm
Ni: ≤0.050 ppm
Pb: ≤0.020 ppm
Sr: ≤0.020 ppm
Ti: ≤0.10 ppm
Tl: ≤0.050 ppm
V: ≤0.050 ppm
Zn: ≤0.050 ppm
Zr: ≤0.10 ppm
heavy metals (as Pb): ≤10 ppm

SMILES string

OC=O

storage temp.

15-25°C

InChI

1S/CH2O2/c2-1-3/h1H (H 2 3)

InChI key

BDAGIHXWWSANSR-UHFFFAOYSA-N