33015

Sigma-Aldrich

Formic acid

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

Fórmula linear:
HCOOH
Número CAS:
Peso molecular:
46.03
Beilstein/REAXYS Number:
1209246
Número EC:
Número MDL:
ID de substância PubChem:
NACRES:
NA.21

Nível de qualidade

200

grau

ACS reagent
puriss. p.a.

Agência/Método

reag. Ph. Eur.

densidade de vapor

1.6 (vs air)

pressão de vapor

44.8 mmHg ( 20 °C)

teor

≥98%

forma

liquid

temperatura de autoignição

1004 °F

Lim. expl.

57 %

aplicação(ões)

mass spectrometry (MS): suitable

Impurezas

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

índice de refração

n20/D 1.370 (lit.)

pH

2.2 (20 °C, 2.2  g/L)

pb

100-101 °C (lit.)

pf

8.2-8.4 °C (lit.)

densidade

1.22 g/mL at 25 °C (lit.)

traços de ânion

chloride (Cl-): ≤5 mg/kg
oxalate (C2O42-): ≤50 mg/kg
sulfate (SO42-): ≤5 mg/kg
sulfite (SO32-): ≤10 mg/kg

traços de cátion

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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Descrição geral

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.

Aplicação

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.

Outras notas

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.

Informações legais

Nafion is a trademark of The Chemours Company FC, LLC

Palavra indicadora

Danger

hazcat

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

Perigos de suplementos

EUH071

storage_class_code

3 - Flammable liquids

WGK Alemanha

WGK 1

Ponto de fulgor (ºF)

121.1 °F - closed cup

Ponto de fulgor (ºC)

49.5 °C - closed cup

Certificado de análise

Certificado de origem

Elastic electron scattering from formic acid (HCOOH): absolute differential cross-sections.
Vizcaino V, et al.
New Journal of Physics, 8(6), 85-85 (2006)
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...
Crossover of formic acid through Nafion membranes.
Rhee Y-W, et al.
Journal of Power Sources, 117(1), 35-38 (2003)
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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