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HYDROFLUORIC ACID Electronic grade

Hydrogen Fluride; HF

Restricted for Export (Under Scomet)  
COAs

Packings

500 ml (00500)

2PPB000500
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Article No. 00176 Grade Electronic grade
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) Min 48%
Residue on ignition Max 0.0001% Fluorosilicic acid (H2SiF6) Max 0.001%
Heavy metal (as Pb) Max 0.00005% Copper (Cu) Max 0.00001%
Iron (Fe) Max 0.00001% Potassium (K) Max 0.00001%
Sodium (Na) Max 0.00001% Chloride (Cl) Max 0.00001%
Phosphate (PO4) Max 0.00001% Sulphite (as SO3) Max 0.00001%
Sulphate (SO4) Max 0.00001%

Safety Information and Hazard Symbols

Skull and Crossbones Corrosion
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
Revision Date: 03-Jan-2020

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