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Inorganic Acids

Hydrofluoric Acid AR/ACS 40%

RA000727 CAS 7664-39-3 AR/ACS

Identity

Product code
RA000727
CAS number
7664-39-3
Grade
AR/ACS
Purity
40%
Molecular formula
HF
Molecular weight
20.01

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Liquid —
Density [g/cm3] Approx. 1.13 g/cm3 g/cm3
Solubility in water [% weight] Infinitely soluble —
Colour Clear Colorless —
Odour Acrid odor —
pH value 1 —
Melting point/ Freezing point [°C] Max -36 °C °C
Boiling point [°C] 108 °C °C
Vapour pressure [20°C] 25 mmHg mmHg
Vapour pressure mm/Hg 25 mmHg mmHg
Vapour density 1.97 —

These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.

Specifications

ParameterSpecificationUnit Method
Appearance A clear colorless liquid — —
Copper (Cu) Max 0.00001 % % —
Iron (Fe) Max 0.00005 % % —
Nickel (Ni) Max 0.00001 % % —
Heavy metal Max 0.00001 % % —
Zinc (Zn) Max 0.00001 % % —
Fluorosilicate (SiF6) Max 0.005 % % —
Assay Min 40 % % alkalimetric
Non-volatile matter Max 0.0005 % % —
Chloride (Cl) Max 0.0005 % % —
Phosphate (PO4) Max 0.0001 % % —
Sulphate (SO4) Max 0.0005 % % —
Sulphite Max 0.0005 % % —
Arsenic (As) Max 0.000005 % % —
Cadmium (Cd) Max 0.00001 % % —

Packaging

Pack size SKU
500 mL RA000727-PK-500ML