All Photos(1)

30107

Sigma-Aldrich

Hydrofluoric acid

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥48%

Synonym(s):
HF
Empirical Formula (Hill Notation):
HF
CAS Number:
Molecular Weight:
20.01
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

Quality Level

grade

ACS reagent
puriss. p.a.

agency

reag. ISO
reag. Ph. Eur.

vapor density

1.27 (vs air)

vapor pressure

25 mmHg ( 20 °C)

assay

≥48%

form

liquid

impurities

≤0.005% hexafluorosilic acid (H2SiF6)

ign. residue

≤0.0005% (as SO4)

density

1.15 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤1 mg/kg
phosphate (PO43-): ≤0.5 mg/kg
sulfate (SO42-): ≤2 mg/kg
sulfite (SO32-): ≤2 mg/kg

cation traces

Ag: ≤0.02 mg/kg
Al: ≤0.05 mg/kg
As: ≤0.05 mg/kg
Ba: ≤0.1 mg/kg
Be: ≤0.02 mg/kg
Bi: ≤0.1 mg/kg
Ca: ≤0.5 mg/kg
Cd: ≤0.01 mg/kg
Co: ≤0.02 mg/kg
Cr: ≤0.02 mg/kg
Cu: ≤0.02 mg/kg
Fe: ≤0.2 mg/kg
Ge: ≤0.05 mg/kg
K: ≤0.1 mg/kg
Li: ≤0.02 mg/kg
Mg: ≤0.2 mg/kg
Mn: ≤0.05 mg/kg
Mo: ≤0.05 mg/kg
Na: ≤0.2 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.05 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

[H+].[F-]

InChI

1S/FH/h1H

InChI key

KRHYYFGTRYWZRS-UHFFFAOYSA-N

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Related Categories

Pictograms

CorrosionSkull and crossbones

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Eye Dam. 1 - Skin Corr. 1A

Storage Class Code

6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

Francesca Monticelli et al.
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Nanotechnology, 18(6), 065707-065707 (2007)
Anatase TiO2 nanosheet: an ideal host structure for fast and efficient lithium insertion/extraction.
Chen JS and Lou XW.
Electrochemical Communications, 11(12), 2332-2335 (2009)
Eagleson M.
Concise Encyclopedia Chemistry, 508-508 (1994)
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JACC. Heart failure, 3(8), 629-636 (2015-08-08)
This study sought to hypothesize that elevated B-type natriuretic peptide (BNP) could act as an endogenous neprilysin inhibitor. A hallmark of acute decompensated heart failure (ADHF) is the overproduction of natriuretic peptides (NPs) by stretched cardiomyocytes. Various strategies have been

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