Merck
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33015

Sigma-Aldrich

Formic acid

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

Linear Formula:
HCOOH
CAS Number:
Molecular Weight:
46.03
Beilstein:
1209246
Número EC:
Número MDL:
ID de substância PubChem:
NACRES:
NA.21

grau

ACS reagent
puriss. p.a.

Nível de qualidade

200

Agency

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 %

technique(s)

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

Classificações de perigo

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

Perigos de suplementos

Código de classe de armazenamento

3 - Flammable liquids

WGK

WGK 1

Ponto de fulgor (ºF)

121.1 °F - closed cup

Ponto de fulgor (ºC)

49.5 °C - closed cup

Certificate of Analysis

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Certificate of Origin

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