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Lab Chemicals
Acids-Inorganic
ORTHOPHOSPHORIC ACID
ORTHOPHOSPHORIC ACID AR
Phosphoric Acid
Article No.
00233
Grade
AR
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 Colorless
Odour
Odorless
pH value
1.5
Melting point/ Freezing point [°C]
21 °C
Boiling point [°C]
158 °C
Vapour pressure [20°C]
0.03 mm Hg @ 20°C
Vapour pressure mm/Hg
0.03 mm Hg @ 200C
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
Min 85%
Weight/ mL at 20°C
About 1.71 g
Chloride (Cl)
Max 0.0005%
Nitrate (NO3)
Max 0.0005%
Silicate (SiO2)
Max 0.025%
Sulphate (SO4)
Max 0.002%
Arsenic (As)
Max 0.0001%
Calcium (Ca)
Max 0.004%
Copper (Cu)
Max 0.0005%
Iron (Fe)
Max 0.0015%
Lead (Pb)
Max 0.001%
Magnesium (Mg)
Max 0.004%
Manganese (Mn)
Max 0.0005%
Potassium (K)
Max 0.005%
Substance reducing KMnO4 (as O)
Max 0.001%
Volatile acids (as CH3COOH)
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