Hydrofluoric acid
CAS Number7664-39-3
FormulaHF
Mol. Weight20.01 g/mol
Hydrofluoric acid
What is Hydrofluoric acid?
Hydrofluoric acid is a chemical compound with CAS number 7664-39-3 and molecular formula HF. It is used in various industrial and research applications.
Specifications
Molecular Weight
20.01 g/mol
Assay/Purity
48%
48.0-51.0% (ACS specification)
Impurities
≤0.01% fluorosilicic acid
Density
1.15 g/mL at 25 °C(lit.)
Safety Information
GHS05
GHS06Signal Word
Danger
Hazard Statements
H300-H310-H314-H330
Precautionary Statements
P260-P264-P280-P284-P301 + P310-P302 + P350
Required PPE
Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P2 (EN 143) respirator cartridges, type P3 (EN 143) respirator cartridges
Ignition Residue
≤5 ppm
Anion Traces
SO42- and SO32-: ≤5 ppm
chloride (Cl-): ≤5 ppm
phosphate (PO43-): ≤1 ppm
Cation Traces
As: ≤0.005 ppm
Cu: ≤0.1 ppm
Fe: ≤1 ppm
heavy metals (as Pb): ≤0.5 ppm
EC Number
231-634-8
WGK Germany
2