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1.00337

Hydrofluoric acid

38-40%, EMPLURA®

Synonym(s):

Hydrofluoric acid, Hydrofluoric acid solution, Fluoric acid, HF

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About This Item

Empirical Formula (Hill Notation):
HF
CAS Number:
7664-39-3
Molecular Weight:
20.01
UNSPSC Code:
12352301
NACRES:
NA.21
MDL number:
MFCD00011346
Concentration:
38-40% Hf
Form:
liquid
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Product Name

Hydrofluoric acid 38-40%, EMPLURA®

Quality Segment

200

vapor pressure

25 mmHg ( 20 °C)

product line

EMPLURA®

form

liquid

concentration

38-40% Hf

impurities

≤0.0005% Heavy metals (as Pb), ≤0.001% Fe (Iron), ≤0.001% Sulfate (SO4), ≤0.002% Chloride (Cl), ≤0.002% Sulfite (SO?), ≤0.01% Hexafluorosilicate (SiF6)

ign. residue

≤0.002% (as sulfate)

pH

2 (20 °C in H2O)

mp

-44 °C

density

1.13 g/cm3 at 20 °C

storage temp.

2-30°C

SMILES string

[H+].[F-]

InChI

1S/FH/h1H

Analysis Note

Assay (acidimetric): 38 - 40 %
Fe (Iron): ≤ 0.001 %
Chloride (Cl): ≤ 0.002 %
Hexafluorosilicate (SiF₆): ≤ 0.01 %
Sulfate (SO₄): ≤ 0.001 %
Sulfite (SO₃): ≤ 0.002 %
Heavy metals (as Pb): ≤ 0.0005 %
Residue on ignition (as sulfate): ≤ 0.002 %

Other Notes

Replaces: 100339

Legal Information

EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany

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Danger

Hazard Classifications

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

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

Storage Class

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

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