SODIUM PHOSPHATE DIBASIC ANHYDROUS Extra Pure

SODIUM PHOSPHATE DIBASIC ANHYDROUS Extra Pure

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Category: Inorganic Phosphates

Description
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Description

sec-Sodium phosphate; Disodium hydrogen phosphate; Disodium phosphat; Sodium hydrogen phosphate

Article No.	05971	Grade	Extra Pure
Purity	98%	CAS No.	7558-79-4
Molecular Formula	Na₂HPO₄	Molecular Weight	141.96
H.S. Code	2835.2990	Shelf Life	60 Months

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Physical Properties

Physical state at 20 °C	Solid	Colour	White crystalline
Odour	Odorless	pH value	8.9 – 9.2 at 50 g/l at 25 °C
Melting point/ Freezing point [°C]	240°C	Decomposition point [°C]	240°C
Vapour density	4.9	Density [g/cm3]	1.52
Solubility in water [% weight]	Soluble in water

Specifications

Appearance	White crystalline powder
Assay	98 – 100.5%
pH (5% solution in water)	8.7 – 9.3
Substance insoluble in water	Max 0.2%
Chloride (Cl)	Max 0.02%
Sulphate (SO4)	Max 0.05%
Heavy metal (as Pb)	Max 0.001%
Arsenic (As)	Max 0.0002%
Copper (Cu)	Max 0.0025%
Iron (Fe)	Max 0.002%
Loss on drying (at 130°C)	Max 5.0%

Packings

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

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