SODIUM DIHYDROGEN ORTHOPHOSPHATE DIHYDRATE Extra Pure

SODIUM DIHYDROGEN ORTHOPHOSPHATE DIHYDRATE Extra Pure

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Category: Inorganic Phosphates

Description
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Description

Confirms to IP
Sodium phosphate monobasic dihydrate

Article No.	05857	Grade	Extra Pure
Purity	98%	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	White powder or colorless crystals
Assay (on anhydrous basis)	98.0 – 103.0%
Identification as per IP	Passes test
pH (5% solution in water)	4.1 – 4.5
Insoluble substances	Max 0.2%
Chloride (Cl)	Max 0.014%
Sulphate (SO4)	Max 0.15%
Aluminium, calcium and related elements	Passes test
Arsenic (As)	Max 0.0008%
Heavy metal	Max 0.002%
Water (H2O)	18.0 – 26.5%

Packings

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

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