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HYDROFLUORIC ACID AR/ACS

HYDROFLUORIC ACID AR/ACS

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Description

Hydrogen Fluride; HF
Article No. 00175 Grade AR/ACS
Purity 48% CAS No. 7664-39-3
Molecular Formula HF Molecular Weight 20.01
H.S. Code 2811.1100 Shelf Life 60 Months

Physical Properties
Physical state at 20 °C Liquid Colour Clear Colorless
Odour Acrid odor pH value 1
Melting point/ Freezing point [°C] < -36°C Boiling point [°C] 108°C
Vapour pressure [20°C] 25 mm Hg @ 20°C Vapour pressure mm/Hg 25 mm Hg @ 200C
Vapour density 1.97 Density [g/cm3] 1.15 -1.18
Solubility in water [% weight] Infinitely soluble

Specifications
Appearance A clear colorless liquid
Assay (alkalimetric) 48.0-51.0%
Sulphate and Sulphite (as SO4) Max 0.0005%
Phosphate (PO4) max 0.0001%
Fluorosilicic acid (H2SiF6) max 0.01%
Residue on ignition max 0.0005%
Chloride (Cl) Max 0.0005%
Iron (Fe) Max 0.0001%
Heavy metal (as Pb) max 0.00005%
Arsenic (As) Max 0.000005%
Copper (Cu) Max 0.00001%

Packings
500 ml 00500
2500 ml 02500

Safety Information
Symbol: GHS05, GHS06
Signal Word: Danger
UN No.: 1790
IMCO Class No.: 8,6.1
Packing Group: II
Hazardous Statement: H300-H310-H314-H330
Precaution Statement: P260-P264-P280-P284-P301 + P310-P302 + P350

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