Ammonium NH 4

Ammonium Phosphate Monobasic ACS Crystals

Jost Code: 2020

Ammonium Phosphate can be used as a laboratory reagent or buffer. Product specifications, SDSs and certifications are available under Additional Information.

Chemical Formula
(NH4)H2PO4
CAS Number
7722-76-1
Molecular Weight
115.03
Use
Laboratory reagent or buffer
Description
White crystals
Containers
150 lb. fiber drums; 25 kilogram packs EU only
Storage
Store in a clean, dry warehouse in the original unopened containers.
Revision Date
12/20/05
Assay (Anhyd. basis)
98.0% minimum
pH of a 5% Solution
3.8-4.4 at 25°C
Insoluble matter
0.005% maximum
Chloride (Cl)
5 ppm maximum
Nitrate (NO3)
0.001% maximum
Sulfur compounds (as SO4)
0.01% maximum
Heavy Metals (as Pb)
5 ppm maximum
Iron (Fe)
0.001% maximum
Potassium (K)
0.005% maximum
Sodium (Na)
0.005% maximum
Calcium
0.001% maximum
Magnesium
5 ppm maximum