REAGENT GRADE-Mono Ammonium Phosphate（GR,AR,CP)

Short Description:

Molecular formula: NH4H2PO4

Molecular weight: 115.0

National Standard: HG/T 3466-2012

CAS Number: 7722-76-1

Other Name: Ammonium Dihydrogen Phosphate

Properties

White granular crystal; relative density at 1.803g/cm3, melting point at 190℃ , easily soluble in water, slightly soluble in alcohol, insoluble in ketene,

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Product Detail

Product Tags

Daily Product

Specifications	GR Value	AR Value	CP Value
Assay(AsNH4H2PO4) % ≥	99.5	99.0	98.5
PH value (50g/L,25℃)	4.0-4.5	4.0-4.5	4.0-4.5
Appearance of Solution ≥	2	3	5
Water insoluble % ≤	0.005	0.005	0.01
Chloride(Cl) % ≤	0.0003	0.0005	0.001
Sulphate(SO4) % ≤	0.005	0.005	0.01
Nitrate(NO3) % ≤	0.0005	0.001	0.002
Arsenic(As) % ≤	0.0002	0.0002	0.002
Potassium(K) % ≤	0.003	0.003	0.01
Iron(Fe) % ≤	0.0005	0.001	0.003
Heavy Metal as Pb % ≤	0.0005	0.0005	0.001