SODIUM DIHYDROGEN ORTHOPHOSPHATE DIHYDRATE AR

SODIUM DIHYDROGEN ORTHOPHOSPHATE DIHYDRATE AR

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Category: Inorganic Phosphates

Description
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Description

Confirms to BP, USP
Sodium phosphate monobasic dihydrate

Article No.	05858	Grade	AR
Purity	99%	CAS No.	13472-35-0
Molecular Formula	NaH₂PO₄.2H₂O	Molecular Weight	156.01
H.S. Code	2835.2200	Shelf Life	60 Months

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Physical Properties

Physical state at 20 °C	Solid	Colour	White crystalline
Odour	Odorless	pH value	4.2 – 4.5
Melting point/ Freezing point [°C]	60°C	Density [g/cm3]	1.92
Solubility in water [% weight]	Soluble in water

Specifications

Appearance	Colorless crystals or white crystalline powder
Assay	99.0 – 100.5%
Identity (acc. to pharmacopoeias)	Passes test
Appearance of solution	Passes test
Insoluble matter in water	Max 0.01%
pH (1% solution in water)	4.1-4.7
pH (5% solution in water; 20°C)	4.2-4.5
pH (5.7% solution in water)	4.1-4.5
Chloride (Cl)	Max 0.001%
Sulphate (SO4)	Max 0.005%
Aluminium, calcium and related elements	Passes test
Substance reducing KMnO4 (as O)	Passes test
Arsenic (As)	Max 0.0002%
Calcium (Ca)	Max 0.002%
Iron (Fe)	Max 0.001%
Heavy metal (as Pb)	Max 0.0005%
Magnesium (Mg)	Max 0.001%
Potassium (K)	Max 0.005%
Loss on drying (at 130°C)	21.5 – 24.0%

Packings

500 g	00500
5000 g	05000

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