Sodium 11 Na 22.989770

Sodium Phosphate Dibasic Heptahydrate, ACS/USP Granular

Jost Code: 2781

Synonyms: Disodium hydrogen phosphate heptahydrate, Disodium phosphate heptahydrate, Sodium hydrogenphosphate heptahydrate

Sodium Phosphate Dibasic Heptahydrate, ACS/USP Granular can be used in pharmaceuticals and as a buffering agent. Product specifications, SDSs and certifications are available under Additional Information.

Chemical Formula
Na2HPO4 · 7H2O
CAS Number
7782-85-6
Molecular Weight
268.07
Use
Pharmaceuticals; Buffering Agent
Description
Granular
Containers
110 lb/50 kg fiber drum
Storage
Store in a clean, dry warehouse in the original unopened containers.The product may agglomerate in storage. It may be gently deagglomerated and screened prior to use.
Revision Date
11/10/2023
Identification
Sodium
Pass
Phosphate
Pass
Appearance
Pass
LOD
43.0% - 50.0%
Assay (ACS)
98.0% - 102%
Assay (USP)
98.0% - 100.5%
pH (5%)
8.7 - 9.3
Insoluble Matter
0.005% maximum
Chloride
10 ppm maximum
Iron
10 ppm maximum
Sulfate
50 ppm maximum
Arsenic
16 ppm maximum
Heavy Metals
10 ppm maximum
Microbial Test Results
Aerobic Plate Count
10³ cfu/g maximum
Yeast and Mold Count
10² cfu/g maximum
Total Coliforms
Negative