POTASSIUM DIHYDROGEN ORTHOPHOSPHATE ANHYDROUS AR/ACS

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Category: Inorganic Phosphates

Description
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Description

Potassium phosphate monobasic; Monopotassium phosphate; prim.-Potassium phosphate

Article No.	05357	Grade	AR/ACS
Purity	99.5%	CAS No.	7778-77-0
Molecular Formula	KH₂PO₄	Molecular Weight	136.09
H.S. Code	2835.2400	Shelf Life	60 Months

Physical Properties

Physical state at 20 °C	Solid	Colour	White crystalline
Odour	Odorless	Melting point/ Freezing point [°C]	253 °C
Decomposition point [°C]	253 °C	Density [g/cm3]	2.338
Solubility in water [% weight]	Soluble in water

Specifications

Appearance	White crystalline powder
Assay (acidimetric)	Min 99.5%
pH (5% solution in water; 25°C)	4.1 – 4.5
Insoluble matter in water	Max 0.01%
Chloride (Cl)	Max 0.001%
Sulphate (SO4)	Max 0.003%
Total nitrogen (N)	Max 0.001%
Heavy metals (by ICP-OES)	Max 0.001%
Iron (Fe)	Max 0.001%
Sodium (Na)	Max 0.005%
Loss on drying (at 105°C; 2 hrs)	Max 0.2%

Packings

500 g	00500
5000 g	05000
25 Kg	0025K
50 Kg	0050K

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