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Lab Chemicals
Inorganic Phosphates
POTASSIUM PHOSPHATE DIBASIC ANHYDROUS
POTASSIUM PHOSPHATE DIBASIC ANHYDROUS AR
Dipotassium hydrogenphosphate; Dipotassium phosphate; sec.-Potassium phosphate
Article No.
05430
Grade
AR
Purity
99%
CAS No.
7758-11-4
Molecular Formula
K
2
HPO
4
Molecular Weight
174.18
H.S. Code
2835.2400
Shelf Life
60 Months
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
Certificate of Analysis (COAs)
Physical Properties
Physical state at 20 °C
Solid
Colour
White crystalline
Odour
Odorless
pH value
8.8
Melting point/ Freezing point [°C]
>465°C
Decomposition point [°C]
>465°C
Density [g/cm3]
2.338
Solubility in water [% weight]
1600 g/l (20°C)
Packings
500 g
(00500)
25 Kg
(0025K)
50 Kg
(0050K)
Specifications
Appearance
White hygroscopic crystalline powder
Assay
Min 99%
pH (5% solution in water; 25°C)
8.7 - 9.6
Chloride (Cl)
Max 0.003%
Heavy metal (as Pb)
Max 0.0005%
Insoluble matter
Max 0.01%
Iron (Fe)
Max 0.001%
Loss on drying (at 105°C)
Max 1%
Nitrogen compounds (as N)
Max 0.001%
Sodium (Na)
Max 0.5%
Sulphate (SO4)
Max 0.005%
Safety Information and Hazard Symbols
Safety Statement: 22-24/25
Revision Date :
13-Dec-2013