ORTHOPHOSPHORIC ACID
ORTHOPHOSPHORIC ACID Extra Pure
Confirming to IP, BP
Short Name: ORTHOPHOSPHORIC ACID
Synonym: Phosphoric Acid
Basic Details
Article No.
LG3534
Grade
Extra Pure
Purity
85%
CAS No.
7664-38-2
HS Code
2809.2010
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Liquid
Colour
Clear colourless
Odour
Odourless
pH value
1.5
Melting point/ Freezing point [°C]
21°C
Boiling point [°C]
158 °C
Vapour pressure [20°C]
2 hPa
Vapour pressure mm/Hg
0.03 mm Hg at 20°C
Vapour density
3.4
Density [g/cm3]
1.685
Solubility in water [% weight]
Completely miscible
Chemical Specifications
Appearance
Clear colorless viscous liquid
Assay (acidimetric)
84 - 90%
Solubility
To comply the test
Relative density
about 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
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 (as Pb)
Max 0.001%
Safety Information & Hazard Symbols
Symbol
GHS05
Signal Word
Danger
UN No.
1805
IMCO Class No.
8
Packing Group
III
Hazardous Statement
H314
Precaution Statement
P280-P305 + P351 + P338-P310