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47590

Sigma-Aldrich

Hydrofluoric acid

puriss. p.a., ≥40%

Synonym(s):

HF

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About This Item

Empirical Formula (Hill Notation):
HF
CAS Number:
7664-39-3
Molecular Weight:
20.01
MDL number:
MFCD00011346
UNSPSC Code:
12352106

vapor density

1.27 (vs air)

vapor pressure

25 mmHg ( 20 °C)

grade

puriss. p.a.

assay

≥40% (acidimetric)
≥40%

ign. residue

≤0.0005% (as SO4)

density

1.15 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤1 mg/kg
hexafluorosilicate (SiF62-): ≤50 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
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
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
Tl: ≤0.05 mg/kg
Zn: ≤0.05 mg/kg

SMILES string

[H+].[F-]

InChI

1S/FH/h1H

InChI key

KRHYYFGTRYWZRS-UHFFFAOYSA-N

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Packaging

in plastic bottles

Other Notes

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

Reagent for the decomposition of silicates[1][2]

pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

signalword

Danger

Hazard Classifications

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

Storage Class

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
SZBB128AV
SZBB128A
SZBB207P
SZBB207CV
SZBB207C

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R. Bock
Aufschlussmethoden der anorg. & org. Chemie (1972)
Z. Sulcek et al.
Methods of Decomposition in Inorganic Analysis (1989)
Philip J Millar et al.
Circulation, 131(5), 459-468 (2014-12-04)
Muscle sympathetic activation in heart failure with reduced ejection fraction (HFrEF) has been attributed, on the basis of multiunit recordings, to attenuated inhibitory feedback from stretch-sensitive cardiopulmonary mechanoreceptors. However, such preparations integrate 2 populations of single units exhibiting directionally opposite
Anett Hellebø Ottesen et al.
Journal of the American College of Cardiology, 65(4), 339-351 (2015-01-31)
Secretoneurin (SN) levels are increased in patients with heart failure (HF), but whether SN provides prognostic information and influences cardiomyocyte function is unknown. This study sought to evaluate the merit of SN as a cardiovascular biomarker and assess effects of
Isabelle Johansson et al.
European journal of heart failure, 16(4), 409-418 (2014-01-28)
To analyse the long-term outcome, risk factor panorama, and treatment pattern in patients with heart failure (HF) with and without type 2 diabetes (T2DM) from a daily healthcare perspective. Patients with (n=8809) and without (n=27,465) T2DM included in the Swedish
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