AMMONIUM DIHYDROGEN PHOSPHATE HPLC

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Category: HPLC Buffer Salts

Description
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Description

Ammonium Phosphate Monobasic,Ammonium Acid Phosphate

Article No.	01167	Grade	HPLC
Purity	99%	CAS No.	7722-76-1
Molecular Formula	NH₄H₂PO₄	Molecular Weight	115.03
H.S. Code	3105.4000	Shelf Life	60 Months

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Physical Properties

Physical state at 20 °C	Solid	Colour	White crystalline
Odour	odourless	pH value	3.8 – 4.4 at 50 g/l at 25 °C
Melting point/ Freezing point [°C]	190 °C	Density [g/cm3]	1.8
Solubility in water [% weight]	Soluble in water

Specifications

Appearance	White crystalline powder
Assay (acidimetric)	Min 99%
Filter test	Correspons to standard
RP gradient test	Correspons to standard
Solubility (0.1 g/mL in water; 20°C)	Complete, Colorless
pH (10% solution in water; 20°C)	4 – 5
UV absorbance (10% solution in water) at:
at 210 nm	Max 0.05
at 220 nm	Max 0.04
at 230 nm	Max 0.03
at 240 nm	Max 0.02
at 500 nm	Max 0.02

Packings

500 g

00500

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