Home » Products » Pharmaceuticals » Disodium Phosphate Anhydrous
Purity: ≥98%
Appearance: White powder
Product Manager Email: Cherry@coreychem.com
| Product name | Disodium Phosphate Anhydrous |
| Synonym | SODIUM PHOSPHATE, DIBASIC BIO-REFINED;Sodiumhydrogenphosphate |
| CAS NO. | 7558-79-4 |
| Appearance | White powder |
| Purity | ≥98% |
| MF | Na2HPO4 |
| MW | 141.96 |
| Related categories | Cosmetic raw materials; Medical raw materials; Raw materials; Food additives; Intermediate products; Chinese medicine reference substances |
| Transport Information | Not dangerous goods |
| HS Code | 2835220000 |
| Structural formula | ![]() |
| Product Manager Email: | cherry@coreychem.com |
Frequently Asked Questions
Disodium Phosphate Anhydrous, also known as Sodium Phosphate Dibasic or Disodium Hydrogen Phosphate, is an inorganic phosphate salt with the molecular formula Na₂HPO₄ and a molecular weight of 141.96 g/mol.
It is typically supplied as a white crystalline powder and is highly soluble in water. The anhydrous form is also hygroscopic.
Its main feature is its effective buffering capacity and good water solubility.
It is widely used to prepare phosphate buffer systems and to help maintain stable pH conditions in laboratory, biochemical, and industrial applications.
Disodium Phosphate Anhydrous is commonly used as a buffer component, laboratory reagent, and pH-regulating agent.
It is also used in biochemical research, food-related applications, water treatment, detergents, and other industrial processes.
Disodium Phosphate Anhydrous is hygroscopic and should be protected from excessive moisture.
Keep the container tightly sealed and store the product in a cool, dry environment. Follow the applicable product SDS for detailed handling and safety requirements.
It is widely used as a phosphate buffer component and can be combined with monobasic sodium phosphate to prepare buffer systems with controlled pH.
It is commonly used in biological and biochemical buffer systems, including phosphate-buffered solutions used in laboratory research and analytical procedures.
It can be used as a laboratory reagent and buffer component in chemical analysis, where stable and reproducible pH conditions are required.
It can be used as a pH-regulating and buffering ingredient in food-related applications and is also used in water treatment and other industrial processes.
It can serve as a buffer component in pharmaceutical, biotechnology, and laboratory formulations where pH control and water solubility are important.
Conventional packaging:
100 g/bottle
500 g/bottle
1 kg/bottle
5 kg/bag
25 kg/bag
Packaging can be customized according to customer requirements.
Product actual photos:

Storage Conditions:
Please store Disodium Phosphate Anhydrous (CAS NO.: 7558-79-4) in a cool, dry, and well-sealed environment.
Keep the container tightly closed and protect the product from moisture and contamination. As the anhydrous product is hygroscopic, minimize unnecessary exposure to air during handling.
For further information about the product, please contact:
Product Manager Email: Cherry@coreychem.com