Hydrofluoric acidCAS NO.: 7664-39-3

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1 Kilogram	FOB Price:USD 4.0000 -5.0000

1 Kilogram

FOB Price:USD 4.0000 -5.0000

Hydrofluoric acid high purity Hydrofluoric acid 99.5% Hydrofluoric acid

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Melting point	-35°C
Boiling point	105°C
density	1.15 g/mL at 25 °C(lit.)
vapor density	1.27 (vs air)
vapor pressure	25 mm Hg ( 20 °C)
Fp	112°C
form	Liquid, Double Sub-Boiling Quartz Distillation
pka	3.17(at 25℃)
Specific Gravity	1.15
color	max. 10
Odor	Acrid, irritating odor
Water Solubility	soluble
Sensitive	Hygroscopic
Merck	14,4790
Exposure limits	Ceiling limit 3 ppm (～2.5 mg/m³) as F (ACGIH); TWA 3 ppm (MSHA and OSHA).
Stability:	Stable. Hygroscopic. Incompatible with glass, alkali metals, light metals, alkaline earth metals
CAS DataBase Reference	7664-39-3(CAS DataBase Reference)
NIST Chemistry Reference	Hydrogen fluoride(7664-39-3)
EPA Substance Registry System	Hydrofluoric acid (7664-39-3)