Sodium Dihydrogen Phosphate Monohydrate
BP, USP + LEC + Microbiological requirements
CAS #:
10049-21-5
Molecular Formula:
H2NaO4P . H2O
Synonym:
Sodium Phosphate Monobasic
Molecular Weight:
137.99 g/mol
Overview
Sodium dihydrogen Phosphate Monohydrate is a reagent with very high buffering capacity widely used in molecular biology, biochemistry and chromatography. Sodium phosphate monobasic is highly hygroscopic and water soluble. Useful in conjunction with Sodium Phosphate, Dibasic in the preparation of biological buffers. Used in many applications including the purification of antibodies.
| Characters | Unit | Specification |
|---|---|---|
| Identity A (EP,BP) | Acc.to requirements | |
| Identity B (EP,BP) | Acc.to requirements | |
| Identity C (EP,BP) | Acc.to requirements | |
| Identity D (EP,BP) | Acc.to requirements | |
| Identity A (USP) | Acc.to requirements | |
| Identity B (USP) | Acc.to requirements | |
| Appearance of solution (EP,BP) | Correlates to test | |
| Al,Ca and related elements USP | Correlates to test | |
| Reducing substances (EP,BP) | Correlates to test | |
| Assay (EP,BP) | % | 98,0-100,5 |
| Assay (USP) | % | 98,0-103,5 |
| Loss on drying (EP,BP) | % | 11,5-14,5 |
| Water (USP) | % | 10,0-15,0 |
| Ph (5%) | 4,2-4,5 | |
| Insoluble matter in water (USP) | % | <=0,20 |
| Heavy metals (as Pb) | mg/kg | <=10 |
| Arsenic (USP) | mg/kg | <=8 |
| Arsenic (EP,BP) | mg/kg | <=2 |
| Iron (EP,BP) | mg/kg | <=10 |
| Sulphates (USP) | mg/kg | <=1500 |
| Sulfates (EP,BP) | mg/kg | <=300 |
| Chlorides (USP) | mg/kg | <=140 |
| Chlorides (EP,BP) | mg/kg | <=200 |
| Bacterial endotoxine | lU/g | <=5 |
| TAMC 30oC (Total aerobic microbial count) | cfu/g | <=50 |
| TYMC | cfu/g | <=10 |
| Escherichia coli | cfu/g | |
| Staphylococcus aureus | cfu/g | |
| Pseudomonas aeruginosa | cfu/g | |
| Salmonella | cfu/10g |
Shelf Life/Retest Date: Sodium dihydrogen Phosphate Monohydrate CAS NO. 10049-21-5 raw material can be kept for at least 3 years if stored in a cool and dry place.
Storage/Shipping Conditions:
- Keep tightly closed. Keep in a dry place.
- Storage rooms: Keep at temperatures below 25 °C.
- Storage category: VCI 10-13
Pack Sizes: 5 Kg
