1.00335

Hydrofluoric acid 40%

Suprapur^®

• Synonym(s): Hydrofluoric acid solution, Fluoric acid
• UNSPSC Code: 12352301

Properties

• grade: for inorganic trace analysis
• Quality Level: 100
• assay: 40%
• form: liquid
• concentration: ≥30-50% in hydrofluoric acid
• pH: (at 20 °C (68 °F)strongly acid)
• bp: 112 °C/1013 hPa
• mp: -44 °C
• solubility: soluble (Water: Soluble)
• density: 1.13 g/cm³ at 20 °C
• anion traces: chloride (Cl^-): ≤500 ppb; hexafluorosilicate (SiF₆^2-): ≤20000 ppb; phosphate (PO₄^3-): ≤100 ppb; sulfate (SO₄^2-): ≤500 ppb; sulfite (SO₃^2-): ≤2000 ppb
• cation traces: Ag: ≤ 0.5 ppb; Al: ≤2 ppb; As: ≤5 ppb; Au: ≤0.2 ppb; Ba: ≤1 ppb; Be: ≤0.2 ppb; Bi: ≤0.2 ppb; Ca: ≤5 ppb; Cd: ≤0.5 ppb; Co: ≤0.2 ppb; Cr: ≤1 ppb; Cu: ≤1 ppb; Fe: ≤5 ppb; Ga: ≤0.2 ppb; Ge: ≤1 ppb; Hg: ≤20 ppb; In: ≤0.2 ppb; K: ≤10 ppb; Li: ≤0.2 ppb; Mg: ≤2 ppb; Mn: ≤2 ppb; Mo: ≤0.2 ppb; Na: ≤2 ppb; Ni: ≤0.5 ppb; Pb: ≤0.5 ppb; Pd: ≤0.2 ppb; Pt: ≤0.2 ppb; Sb: ≤0.2 ppb; Sn: ≤0.5 ppb; Sr: ≤0.2 ppb; Ti: ≤5 ppb; Tl: ≤0.2 ppb; U: ≤0.1 ppb; V: ≤0.2 ppb; Zn: ≤2 ppb; Zr: ≤0.2 ppb
• SMILES string: F
• storage temp.: 2-30°C
• InChI: InChI=1S/FH/h1H
• InChI key: KRHYYFGTRYWZRS-UHFFFAOYSA-N

Description

Analysis Note

Assay (acidimetric): ≥ 40 %
Colour: ≤ 10 Hazen
Chloride (Cl): ≤ 500 ppb
Hexafluorosilicate (SiF₆): ≤ 20000 ppb
Phosphate (PO₄): ≤ 100 ppb
Sulphate (SO₄): ≤ 500 ppb
Sulfite (SO₃): ≤ 2000 ppb
Ag (Silver): ≤ 0.5 ppb
Al (Aluminium): ≤ 2 ppb
As (Arsenic): ≤ 5 ppb
Au (Gold): ≤ 0.2 ppb
Ba (Barium): ≤ 1 ppb
Be (Beryllium): ≤ 0.2 ppb
Bi (Bismuth): ≤ 0.2 ppb
Ca (Calcium): ≤ 5 ppb
Cd (Cadmium): ≤ 0.5 ppb
Co (Cobalt): ≤ 0.2 ppb
Cr (Chromium): ≤ 1 ppb
Cu (Copper): ≤ 1 ppb
Fe (Iron): ≤ 5 ppb
Ga (Gallium): ≤ 0.2 ppb
Ge (Germanium): ≤ 1 ppb
Hg (Mercury): ≤ 20 ppb
In (Indium): ≤ 0.2 ppb
K (Potassium): ≤ 10 ppb
Li (Lithium): ≤ 0.2 ppb
Mg (Magnesium): ≤ 2 ppb
Mn (Manganese): ≤ 2 ppb
Mo (Molybdenum): ≤ 0.2 ppb
Na (Sodium): ≤ 2 ppb
Ni (Nickel): ≤ 0.5 ppb
Pb (Lead): ≤ 0.5 ppb
Pd (Palladium): ≤ 0.2 ppb
Pt (Platinum): ≤ 0.2 ppb
Sb (Antimony): ≤ 0.2 ppb
Sn (Tin): ≤ 0.5 ppb
Sr (Strontium): ≤ 0.2 ppb
Ti (Titanium): ≤ 5 ppb
Tl (Thallium): ≤ 0.2 ppb
U (Uranium): ≤ 0.1 ppb
V (Vanadium): ≤ 0.2 ppb
Zn (Zinc): ≤ 2 ppb
Zr (Zirconium): ≤ 0.2 ppb
Residue on ignition (as sulphate): ≤ 2000 ppb
Actual Analysis Values are subject to unavoidable systematic variations in this concentration range

Legal Information

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

Safety Information

• pictograms: GHS05,GHS06
• signalword: Danger
• hcodes: H300 + H310 + H330 - H314
• pcodes: P260 - P270 - 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
• 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