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Hydrofluoric acid, solution 48% w/w, EssentQ®

- HF
- M = 20,00 g/mol
- CAS [7664-39-3]
- EINECS-No.: 231-634-8
- Density: 1,16 g/cm3
- Solub. in water: (20 ºC): miscible
- Melting point: ~ -35 ºC
- Boiling point: ~ 106 ºC
- EC-Index-No.: 009-002-00-6
- ADR: 8 CT1 II UN 1790
- IMDG: 8 II UN 1790
- IATA/ICAO: 8 II UN 1790
- GHS-signal word: Danger
- GHS-H sentences: H310 - H330 - H314
- GHS-P sentences: P260 - P303+P361+P353 - P305+P351+P338 - P310 - P320 - P405 - P501a
- Tariff number: 2811 11 00 00
- Applications: analytical chemistry, acidifying agent, dissolution agent for silicates.

SPECIFICATIONS
assay (acidimetric): min. 48 %
chlorides (Cl): max. 0,002 %
hexafluorosilicate (SiF6): max. 0,01 %
sulfates (SO4): max. 0,001 %
sulfites (SO3) : max. 0,002 %
heavy metals (as Pb): max. 5 ppm
iron (Fe): max. 1 ppm
residue on ignition (as SO4): max. 0,002 %