Skip to content
Inorganic Acids

Orthophosphoric Acid Extra Pure 85%

RA000313 CAS 7664-38-2 Extra Pure

Identity

Product code
RA000313
CAS number
7664-38-2
Grade
Extra Pure
Purity
85%
Molecular formula
H3PO4
Molecular weight
98.00

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Liquid —
Density [g/cm3] 1.685 g/cm3 g/cm3
Solubility in water [% weight] Completely miscible —
Colour Clear colourless —
Odour Odourless —
pH value 1.5 —
Melting point/ Freezing point [°C] 21 °C °C
Boiling point [°C] 158 °C °C
Vapour pressure [20°C] 2 hPa hPa
Vapour pressure mm/Hg 0.03 mmHg mmHg
Vapour density 3.4 —

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

Specifications

ParameterSpecificationUnit Method
Appearance Clear colorless viscous liquid — —
Aluminium and calcium (Al, Ca) To comply the test — —
Chloride (Cl) Max 0.005 % % —
Sulphate (SO4) Max 0.01 % % —
Arsenic (As) Max 0.0002 % % —
Iron (Fe) Max 0.005 % % —
Heavy metal Max 0.001 % % —
Assay 84 - 90 % % acidimetric
Solubility To comply the test — —
Relative density Approx. 1.7 — —
Identification To comply the test — —
Appearance of solution To comply the test — —
Substance precipitated by NH3 To comply the test — —
Hypophosphorous acid and phosphorous acid To comply the test — —
Alkali phosphate To comply the test — —

Packaging

Pack size SKU
25 L RA000313-PK-25L
500 mL RA000313-PK-500ML
200 L RA000313-PK-200L
2.5 L RA000313-PK-2.5L
5 L RA000313-PK-5L