모든 사진(1)

문서

33015-M

Formic acid

Name: Formic acid
Brand: SIAL

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

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모든 사진(1)

About This Item

Linear Formula:

HCOOH

CAS Number:

64-18-6

Molecular Weight:

46.03

Beilstein:

1209246

EC Number:

200-579-1

MDL number:

MFCD00003297

UNSPSC 코드:

12352106

PubChem Substance ID:

329754437

NACRES:

NA.21

Grade

ACS reagent

Quality Level

100

Agency

reag. Ph. Eur.

vapor density

1.6 (vs air)

vapor pressure

44.8 mmHg ( 20 °C)

grade

puriss. p.a.

분석

≥98%

형태

liquid

autoignition temp.

1004 °F

expl. lim.

57 %

기술

mass spectrometry (MS): suitable

불순물

≤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.)

음이온 미량물

chloride (Cl^-): ≤5 mg/kg
oxalate (C₂O₄^2-): ≤50 mg/kg
sulfate (SO₄^2-): ≤5 mg/kg
sulfite (SO₃^2-): ≤10 mg/kg

양이온 미량물

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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일반 설명

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.

애플리케이션

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.