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1.00338

Hydrofluoric acid

Name: Hydrofluoric acid
Brand: MM

40%, for analysis EMSURE^® ISO,Reag. Ph Eur

Synonym(s):

Hydrofluoric acid, Hydrofluoric acid solution, Fluoric acid, HF

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About This Item

Empirical Formula (Hill Notation):

CAS Number:

7664-39-3

Molecular Weight:

20.01

UNSPSC Code:

12352301

NACRES:

NA.21

MDL number:

MFCD00011346

Concentration:

40.0-42.0% Hf

Form:

liquid

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Properties

Product Name

Hydrofluoric acid 40%, for analysis EMSURE^® ISO,Reag. Ph Eur

Quality Level

300

agency

reag. ISO, reag. Ph. Eur.

vapor density

1.27 (vs air)

vapor pressure

25 mmHg ( 20 °C)

product line

EMSURE^®

form

liquid

concentration

40.0-42.0% Hf

impurities

≤0.01 ppm Ba (Barium), ≤0.01 ppm Cd (Cadmium), ≤0.01 ppm Cr (Chromium), ≤0.01 ppm Li (Lithium), ≤0.02 ppm Ag (Silver), ≤0.02 ppm Be (Beryllium), ≤0.02 ppm Bi (Bismuth), ≤0.02 ppm Co (Cobalt), ≤0.02 ppm Cu (Copper), ≤0.02 ppm Ge (Germanium), ≤0.02 ppm Mo (Molybdenum), ≤0.02 ppm Ni (Nickel), ≤0.02 ppm Pb (Lead), ≤0.02 ppm Sr (Strontium), ≤0.02 ppm Ti (Titanium), ≤0.02 ppm Tl (Thallium), ≤0.02 ppm V (Vanadium), ≤0.02 ppm Zr (Zirconium), ≤0.03 ppm Arsenic and Antimony (as As), ≤0.03 ppm Mn (Manganese), ≤0.05 ppm Al (Aluminium), ≤0.05 ppm Zn (Zinc), ≤0.1 ppm Fe (Iron), ≤0.1 ppm K (Potassium), ≤0.1 ppm Mg (Magnesium), ≤0.2 ppm Ca (Calcium), ≤0.2 ppm Na (Sodium), ≤0.5 ppm Heavy metals (as Pb), ≤0.5 ppm Phosphate (PO₄), ≤1 ppm Chloride (Cl), ≤5 ppm Sulfate and sulphite (as SO₄), ≤50 ppm Hexafluorosilicate (SiF₆)

ign. residue

≤5 ppm (as sulfate)

color

APHA: ≤10

SMILES string

[H+].[F-]

pH

(20 °C, strongly acid)

bp

112 °C/1013 hPa

mp

-44 °C

solubility

water: soluble

density

1.13 g/cm³ at 20 °C, 1.15 g/mL at 25 °C (lit.)

storage temp.

2-30°C

InChI

1S/FH/h1H

InChI key

KRHYYFGTRYWZRS-UHFFFAOYSA-N

Description

Analysis Note

Assay (acidimetric): 40.0 - 42.0 %
Chloride (Cl): ≤ 1 ppm
Color: ≤ 10 Hazen
Hexafluorosilicate (SiF₆): ≤ 50 ppm
Phosphate (PO₄): ≤ 0.5 ppm
Sulfate and sulphite (as SO₄): ≤ 5 ppm
Arsenic and Antimony (as As): ≤ 0.03 ppm
Ag (Silver): ≤ 0.02 ppm
Al (Aluminium): ≤ 0.05 ppm
Ba (Barium): ≤ 0.01 ppm
Be (Beryllium): ≤ 0.02 ppm
Bi (Bismuth): ≤ 0.02 ppm
Ca (Calcium): ≤ 0.2 ppm
Cd (Cadmium): ≤ 0.01 ppm
Co (Cobalt): ≤ 0.02 ppm
Cr (Chromium): ≤ 0.01 ppm
Cu (Copper): ≤ 0.02 ppm
Fe (Iron): ≤ 0.1 ppm
Ge (Germanium): ≤ 0.02 ppm
K (Potassium): ≤ 0.1 ppm
Li (Lithium): ≤ 0.01 ppm
Mg (Magnesium): ≤ 0.1 ppm
Mn (Manganese): ≤ 0.03 ppm
Mo (Molybdenum): ≤ 0.02 ppm
Na (Sodium): ≤ 0.2 ppm
Ni (Nickel): ≤ 0.02 ppm
Pb (Lead): ≤ 0.02 ppm
Sr (Strontium): ≤ 0.02 ppm
Ti (Titanium): ≤ 0.02 ppm
Tl (Thallium): ≤ 0.02 ppm
V (Vanadium): ≤ 0.02 ppm
Zn (Zinc): ≤ 0.05 ppm
Zr (Zirconium): ≤ 0.02 ppm
Heavy metals (as Pb): ≤ 0.5 ppm
Residue on ignition (as sulfate): ≤ 5 ppm

Legal Information

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

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pictograms

GHS06,GHS05

hcodes

H300 + H310 + H330,H314

Storage Class

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

signalword

Danger

pcodes

P260 - P271 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338

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