Formic acid

甲酸, Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

ACS reagent

200

meets USP/NF

1.6 (vs air)

44.8 mmHg ( 20 °C)

≥98%

liquid

1004 °F

57 %

Catalysis
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≤0.05% Acetic acid (CH₃COOH)

≤0.001%

APHA: ≤10

n20/D 1.370 (lit.)

2.2 (20 °C, 10 g/L in H₂O)

3.7

100-101 °C (lit.), 101 °C/1013 hPa

8.2-8.4 °C (lit.)

flash point 49.5 °C

water: soluble at 20 °C

1.22 g/mL at 25 °C (lit.)

chloride (Cl^-): ≤5 ppm, sulfate (SO₄^2-): ≤5 ppm, sulfite (SO₃^2-): ≤0.001%

OC=O

Ag: ≤0.02 ppm, Al: ≤0.05 ppm, Ba: ≤0.05 ppm, Be: ≤0.02 ppm, Bi: ≤0.1 ppm, Ca: ≤0.2 ppm, Cd: ≤0.05 ppm, Co: ≤0.02 ppm, Cr: ≤0.05 ppm, Cu: ≤0.02 ppm, Fe: ≤2 ppm, Ge: ≤0.05 ppm, K: ≤0.1 ppm, Li: ≤0.02 ppm, Mg: ≤0.5 ppm, Mn: ≤0.05 ppm, Mo: ≤0.02 ppm, NH₄⁺: ≤0.001%, Na: ≤0.5 ppm, Ni: ≤0.05 ppm, Pb: ≤0.02 ppm, Sr: ≤0.02 ppm, Ti: ≤0.1 ppm, Tl: ≤0.05 ppm, V: ≤0.05 ppm, Zn: ≤0.05 ppm, Zr: ≤0.1 ppm, heavy metals (as Pb): ≤0.001%

Aligned

ambient

room temp

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

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