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Lab Chemicals
Acids-Inorganic
ORTHOPHOSPHORIC ACID
ORTHOPHOSPHORIC ACID Extra Pure
Confirming to IP, BP
Phosphoric Acid
Article No.
00232
Grade
Extra Pure
Purity
85%
CAS No.
7664-38-2
Molecular Formula
H
3
PO
4
Molecular Weight
98.00
H.S. Code
2809.2010
Shelf Life
60 Months
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
Certificate of Analysis (COAs)
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
Packings
500 ml
(00500)
2500 ml
(02500)
5000 ml
(05000)
25 Liters
(0025K)
200 Liters
(0200K)
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 and 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
Revision Date :
03-Jun-2017