Chemical Properties:
Package: Bottle, Aluminium foil bag, 25kg/Cardboard Drum, or according to customer's requirement. Storage Condition: Store in sealed containers at cool and dry place; Protect from light and moisture.Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer and supplier of Sodium Phosphate Dibasic (CAS: 7558-79-4) with high quality, commercial production. Welcome to order. Please contact: alvin@ruifuchem.com| Item | Specifications |
| Appearance | White Powder |
| Purity / Analysis Method | >99.5% (Titration, on Dried Basis) |
| Loss on Drying | <1.00% (120℃, 4h) |
| Water Insoluble Matter | <0.20% |
| pH (5% Solution at 25℃) | 8.7~9.3 |
| Solubility (5%, H2O) | Colorless Clear Solution |
| Arsenic (As) | <3ppm |
| Heave Metals (as Pb) | <10ppm |
| Iron (Fe) | <5ppm |
| Chloride ( Cl) | <10ppm |
| Sulfate ( SO4) | <50ppm |
| Potassium ( K) | <50ppm |
| Calcium (Ca) | <10ppm |
| Copper (Cu) | <5ppm |
| Total Metallic Impurities | <200ppm |
| UV Absorbance/280 nm | <0.05 (1 M, Water) |
| ICP | Confirms Na and P Components |
| X-Ray Diffraction | Conforms to Structure |
| Test Standard | Enterprise Standard; FCC Standard |
| Usage | Biological Buffers and etc. |
Description:
Specifications:
Package & Storage:
| Chemical Name | Sodium Phosphate Dibasic |
| Synonyms | DSP; Sodium Phosphate Dibasic Anhydrous; Dibasic Sodium Phosphate; Disodium Hydrogen Phosphate; Disodium Hydrogen Phosphate Anhydrous; Disodium Phosphate; di-Sodium Hydrogen Phosphate Anhydrous |
| CAS Number | 7558-79-4 |
| CAT Number | RF-PI1664 |
| Stock Status | In Stock, Production Scale Up to Tons |
| Molecular Formula | Na2HPO4 |
| Molecular Weight | 141.96 |
| Melting Point | 243.0~245.0℃ |
| Density | 1.064 g/mL at 20℃ |
| Brand | Ruifu Chemical |
Advantages:
FAQ:
Application:
Sodium Phosphate Dibasic (CAS: 7558-79-4), Usage: 1) buffering 2) improving agent 3) emulsifier 4) nutrition supplement 5) antioxidant additive. Sodium Phosphate Dibasic is highly hygroscopic and water soluble. Useful in conjunction with Sodium Phosphate, Monobasic in the preparation of biological buffers. It is commonly used in biological assay buffers. Sodium Phosphate Dibasic is reagent with high buffering capacity for molecular biology, biochemistry, and chromatography. Sodium Phosphate Dibasic is used in food and water treatment in conjunction with trisodium phosphate. In foods, it is used to adjust pH. In water treatment, It retards calcium scale formation. It is also found in some detergents and cleaning agents. This product is known to be used in many applications including the purification of antibodies.
