POTASSIUM PHOSPHATE DIBASIC ANHYDROUS AR

POTASSIUM PHOSPHATE DIBASIC ANHYDROUS AR

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Category: Inorganic Phosphates

Description
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Description

Dipotassium hydrogenphosphate; Dipotassium phosphate; sec.-Potassium phosphate

Article No.	05430	Grade	AR
Purity	99%	CAS No.	7758-11-4
Molecular Formula	K₂HPO₄	Molecular Weight	174.18
H.S. Code	2835.2400	Shelf Life	60 Months

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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)

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%

Packings

500 g	00500
25 Kg	0025K
50 Kg	0050K

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