Formic acid puriss. p.a. ACS reagent reag. Ph. Eur. >=98%

Code: 33015-1L-M D2-231

Application

Formic acid has been used to evaluate its first absolute differential elastic electron scattering cross-sections and angular differential cross-sections (incident...


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Application

Formic acid has been used to evaluate its first absolute differential elastic electron scattering cross-sections and angular differential cross-sections (incident electron energies in the range of 1.8 and 50eV). It may be used in the preparation of HPLC buffer for mass spectrometric studies.

General description

Formic acid is a simple organic acid. Formate group (-COOH) plays an important role to compose the complex biomolecules (acetic acid, glycine, various amino acids). It exhibits high polarity and its dipole moment is 1.41Debye. It has been reported as a substiute for fuel in polymer electrolyte membrane (PEM) fuel cells. Its permeation through Nafion™ 112 and 117 membranes has been compared with that of methanol.

Legal Information

Nafion is a trademark of The Chemours Company FC, LLC

agencyreag. Ph. Eur.
anion tracesoxalate (C2O42-): ≤50 mg/kg, chloride (Cl-): ≤5 mg/kg, sulfate (SO42-): ≤5 mg/kg, sulfite (SO32-): ≤10 mg/kg
assay≥98%
autoignition temp.1004 °F
bp100-101 °C (lit.)
cation tracesAg: ≤0.02 mg/kg, Ba: ≤0.05 mg/kg, Ge: ≤0.05 mg/kg, Ni: ≤0.05 mg/kg, Pb: ≤0.02 mg/kg, Cd: ≤0.05 mg/kg, Bi: ≤0.1 mg/kg, Mg: ≤0.5 mg/kg, K: ≤0.1 mg/kg, Al: ≤0.05 mg/kg, Be: ≤0.02 mg/kg, Tl: ≤0.05 mg/kg, Zn: ≤0.05 mg/kg, Mn: ≤0.05 mg/kg, Cr: ≤0.05 mg/kg, Zr: ≤0.1 mg/kg, V: ≤0.05 mg/kg, Li: ≤0.02 mg/kg, Na: ≤0.5 mg/kg, Co: ≤0.02 mg/kg, Fe: ≤2 mg/kg, Cu: ≤0.02 mg/kg, Mo: ≤0.02 mg/kg, Sr: ≤0.02 mg/kg, Ti: ≤0.1 mg/kg, Ca: ≤0.2 mg/kg
density1.22 g/mL at 25 °C (lit.)
expl. lim.57 %
formliquid
gradepuriss. p.a., ACS reagent
impurities≤0.005% acetic acid (CH3COOH), ≤0.001% ammonium (NH4), ≤0.001% non-volatile matter
InChI keyBDAGIHXWWSANSR-UHFFFAOYSA-N
InChI1S/CH2O2/c2-1-3/h1H,(H,2,3)
mp8.2-8.4 °C (lit.)
pH2.2 (20 °C, 2.2 g/L)
Quality Level100
refractive indexn20/D 1.370 (lit.)
SMILES stringOC=O
technique(s)mass spectrometry (MS): suitable
vapor density1.6 (vs air)
vapor pressure44.8 mmHg ( 20 °C)
Cas Number64-18-6
Hazard Class8
Un Number1779
Pack GroupII
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