Ammonium NH 4

Ammonium Phosphate Dibasic ACS Granulated

Jost Code: 2024

Synonyms: Ammonium hydrogen phosphate, Diammonium hydrogen phosphate, di-Ammonium hydrogen phosphate (sec)

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

Chemical Formula
(NH4)2HPO4
CAS Number
7783-28-0
Molecular Weight
132.1
Use
Laboratory reagent or buffer
Description
White granular crystals
Containers
55 lb/25 kg cartons
Storage
Store in a clean, dry warehouse in the original unopened containers.
Revision Date
07/12/2021
Assay
98.0% minimum
pH (5%)
7.7 - 8.1
Insoluble Matter
0.005% maximum
Chloride
0.001% maximum
Nitrate
0.003% maximum
Appearance of Solid
Pass
Particle Size
Mesh on 10
95% minimum
Sulfur Compounds
0.01% maximum
Heavy Metals
10 ppm maximum
Iron
0.001% maximum
Potassium
50 ppm maximum
Sodium
50 ppm maximum
Calcium
10 ppm maximum
Magnesium
5 ppm maximum
Microbial Test Results
Aerobic Plate Count
1000 cfu/g maximum
Yeast and Mold Count
100 cfu/g maximum
Total Coliforms
Negative