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Disodium phosphate
Chemical Formula: Na₂HPO₄
CAS No.: 7558-79-4 (anhydrous); 10039-32-4 (dodecahydrate)
Molecular Weight: 141.96 (anhydrous)
Disodium phosphate is a white crystalline powder or granule, odorless, and highly soluble in water. Its aqueous solution is weakly alkaline, with a pH of approximately 8.8–9.2 for a 1% solution. It is insoluble in organic solvents such as ethanol, and it effloresces in air, gradually losing its water of crystallization at room temperature.
CAS No.: 7558-79-4 (anhydrous); 10039-32-4 (dodecahydrate)
Molecular Weight: 141.96 (anhydrous)
Disodium phosphate is a white crystalline powder or granule, odorless, and highly soluble in water. Its aqueous solution is weakly alkaline, with a pH of approximately 8.8–9.2 for a 1% solution. It is insoluble in organic solvents such as ethanol, and it effloresces in air, gradually losing its water of crystallization at room temperature.
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