Formic acid

InChI key

BDAGIHXWWSANSR-UHFFFAOYSA-N

InChI

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

SMILES string

OC=O

grade

ACS reagent, puriss. p.a.

agency

reag. Ph. Eur., suitable for EPA 1633

vapor density

1.6 (vs air)

vapor pressure

44.8 mmHg ( 20 °C)

assay

≥98%

form

liquid

autoignition temp.

1004 °F

expl. lim.

57 %

Quality Level

200

greener alternative product characteristics

Catalysis
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sustainability

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concentration

≥98%

technique(s)

mass spectrometry (MS): suitable

impurities

≤0.001% ammonium (NH₄), ≤0.001% non-volatile matter, ≤0.005% acetic acid (CH₃COOH)

refractive index

n20/D 1.370 (lit.)

pH

2.2 (20 °C, 2.2 g/L)

bp

100-101 °C (lit.)

mp

8.2-8.4 °C (lit.)

solubility

water: miscible at 20 °C (in all proportions)

density

1.22 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤5 mg/kg, oxalate (C₂O₄^2-): ≤50 mg/kg, sulfate (SO₄^2-): ≤5 mg/kg, sulfite (SO₃^2-): ≤10 mg/kg

cation traces

Ag: ≤0.02 mg/kg, Al: ≤0.05 mg/kg, Ba: ≤0.05 mg/kg, Be: ≤0.02 mg/kg, Bi: ≤0.1 mg/kg, Ca: ≤0.2 mg/kg, Cd: ≤0.05 mg/kg, Co: ≤0.02 mg/kg, Cr: ≤0.05 mg/kg, Cu: ≤0.02 mg/kg, Fe: ≤2 mg/kg, Ge: ≤0.05 mg/kg, K: ≤0.1 mg/kg, Li: ≤0.02 mg/kg, Mg: ≤0.5 mg/kg, Mn: ≤0.05 mg/kg, Mo: ≤0.02 mg/kg, Na: ≤0.5 mg/kg, Ni: ≤0.05 mg/kg, Pb: ≤0.02 mg/kg, Sr: ≤0.02 mg/kg, Ti: ≤0.1 mg/kg, Tl: ≤0.05 mg/kg, V: ≤0.05 mg/kg, Zn: ≤0.05 mg/kg, Zr: ≤0.1 mg/kg

application(s)

PFAS testing

greener alternative category

Aligned