1.00338

Hydrofluoric acid

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

• Synonym(s): Hydrofluoric acid, Hydrofluoric acid solution, Fluoric acid, HF
• Empirical Formula (Hill Notation): HF
• 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

Properties

• Product Name: Hydrofluoric acid 40%, for analysis EMSURE^® ISO,Reag. Ph Eur
• Quality Segment: 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)
• SMILES string: [H+].[F-]
• color: APHA: ≤10
• 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

Safety Information

• 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: Not applicable
• pictograms: GHS06,GHS05
• hcodes: H300 + H310 + H330,H314
• Storage Class: 6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials