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33015

Sigma-Aldrich

Formic acid

puriss. p.a., ACS reagent, reag. Ph. Eur., ≥98%

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Linear Formula:
HCOOH
CAS Number:
Molecular Weight:
46.03
Beilstein/REAXYS Number:
1209246
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

ACS reagent
puriss. p.a.

Quality Level

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 %

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.)

density

1.22 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤5 mg/kg
oxalate (C2O42-): ≤50 mg/kg
sulfate (SO42-): ≤5 mg/kg
sulfite (SO32-): ≤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

SMILES string

OC=O

InChI

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

InChI key

BDAGIHXWWSANSR-UHFFFAOYSA-N

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1 of 4

This Item
69507612832008.22254
vibrant-m

33015

Formic acid

Essential Grade
vibrant-m

695076

Formic acid

Essential Grade
vibrant-m

1283200

Formic acid

-
vibrant-m

8.22254

Formic acid

-
agency

reag. Ph. Eur., suitable for EPA 1633

agency

-

agency

-

agency

-

assay

≥98%

assay

≥96%

assay

-

assay

≥99% (acidimetric)

grade

ACS reagent, puriss. p.a.

grade

ACS reagent

grade

pharmaceutical primary standard

grade

-

vapor pressure

44.8 mmHg ( 20 °C)

vapor pressure

44.8 mmHg ( 20 °C)

vapor pressure

44.8 mmHg ( 20 °C)

vapor pressure

44.8 mmHg ( 20 °C)

vapor density

1.6 (vs air)

vapor density

1.6 (vs air)

vapor density

1.6 (vs air)

vapor density

1.6 (vs air)

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.

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.

Other Notes

The article number 33015-4X2.5L will be discontinued. Please order the single bottle 33015-2.5L which is physically identical with the same exact specifications.
The article number 33015-4X2.5L-M will be discontinued. Please order the single bottle 33015-2.5L-M which is physically identical with the same exact specifications.
The article number 33015-6X1L-M will be discontinued. Please order the single bottle 33015-1L-M which is physically identical with the same exact specifications.

Legal Information

Nafion is a trademark of The Chemours Company FC, LLC

signalword

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1A

supp_hazards

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

121.1 °F - closed cup

flash_point_c

49.5 °C - closed cup


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Elastic electron scattering from formic acid (HCOOH): absolute differential cross-sections.
Vizcaino V, et al.
New Journal of Physics, 8(6), 85-85 (2006)
Crossover of formic acid through Nafion membranes.
Rhee Y-W, et al.
Journal of Power Sources, 117(1), 35-38 (2003)
Heng Lu et al.
Cell communication insights, 5, 1-7 (2014-05-20)
Protein-protein interactions play a pivotal role in both inter- and intra-cellular signaling. Identification of signaling protein complexes can thus shed important new insights into cell communications. We developed a parallel affinity precipitation protocol to overcome the disadvantages of the tandem
J Liesivuori et al.
Pharmacology & toxicology, 69(3), 157-163 (1991-09-01)
Metabolism of methanol, methyl ethers, esters and amides give rise to formic acid. This acid is an inhibitor of the mitochondrial cytochrome oxidase causing histotoxic hypoxia. Formic acid is a weaker inhibitor than cyanide and hydrosulphide anions. The body burden
Tasqiah Julianti et al.
Journal of ethnopharmacology, 155(1), 426-434 (2014-06-04)
Leaf decoctions of Carica papaya have been traditionally used in some parts of Indonesia to treat and prevent malaria. Leaf extracts and fraction have been previously shown to possess antiplasmodial activity in vitro and in vivo. Antiplasmodial activity of extracts

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