Ammonium Phosphate Monobasic 98% ACS Reagent

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Product namePriceQuantity 
100g Ammonium Phosphate Monobasic 98% ACS Reagent0.00 
500g Ammonium Phosphate Monobasic 98% ACS Reagent0.00 
2.5kg Ammonium Phosphate Monobasic 98% ACS Reagent0.00 

Description

Monoammonium phosphate is soluble in water and crystallizes from it as the anhydrous salt in the tetragonal system, as elongated prisms or needles. It is practically insoluble in ethanol. Solid monoammonium phosphate can be considered stable in practice for temperatures up to
200°C, when it decomposes into gaseous ammonia 
NH3
 and molten phosphoric acid H3PO4. At 125°C the partial pressure of ammonia is 0.05 mm Hg. Monoammonium phosphate is industrially prepared by the exothermic reaction of phosphoric acid and ammonia.

Formula – H6NO4P

Molar mass – 115.025 g/mol

CAS Number – 7722-76-1

Density – 1.81 g/cm3 at 20°C (68°F) – OECD Test Guideline 109

Purity/Grade – 98% (ACS Reagent)

Appearance – White crystalline

Vapour pressure – <0.00001 hPa (<0.00001 mmHg) at 20°C (68°F) – OECD Test Guideline 104

Water solubility – Soluble

Melting point/freezing point – 190°C (374°F) – dec.

pH – 3.8 – 4.4 at 50 g/l at 25°C (77°F)

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