SODIUM DIHYDROGEN ORTHOPHOSPHATE ANHYDROUS For HPLC

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Category: HPLC Buffer Salts

Description
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Description

Sodium phosphate monobasic anhydrous

Article No.	5859B	Grade	For HPLC
Purity	99%	CAS No.	7558-80-7
Molecular Formula	NaH₂PO₄	Molecular Weight	120
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	4.1 – 4.5 at 50 g/l at 25 °C
Melting point/ Freezing point [°C]	212°C	Boiling point [°C]	399 °C
Density [g/cm3]	2.04	Solubility in water [% weight]	Soluble in water

Specifications

Appearance	White crystalline powder
Assay	Min 99%
RP gradient test	Corresponds to standard
Filter test	Corresponds to standard
Solubility (0.1 g/mL in water; 25°C)	Complete, colorless
pH (10% solution in water; 20°C)	4.0-4.5
Absorption (0.5 M solution in water)
at 210 nm	Max 0.1
at 260 nm	Max 0.06
at 280 nm	Max 0.04
at 320 nm	Max 0.02
at 500 nm	Max 0.02

Packings

500 g

00500

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