Sodium phosphate tribasic dodecahydrateCAS:10101-89-0

Details:

Density 1.62
Boiling point 158ºC at 760 mmHg
Melting point 75 °C
Molecular formula H24Na3O16P
Molecular weight 380.124
Accurate mass 380.049500
PSA 206.82000
Appearance character colorless or white
Refractive index 1.4458
Storage condition
It should be stored in ventilated and dry storeroom, not stacked in the open air. The packaging must be sealed and protected from sun exposure and rain during transportation and from moisture. Do not store and transport with toxic and harmful substances.
The stable aqueous solution is alkaline with a pH of 11. Insoluble in organic solvents, weathered in dry air, 100℃ that is to lose all the crystalline water into anhydrous salt. Staff should take good protection, if accidentally touched the skin and eyes, should immediately rinse with plenty of water. The working environment should have good ventilation. Soluble in water, its aqueous solution is strong basic; Insoluble in ethanol, carbon disulfide. When it is heated to 100℃, it loses 11 crystalline water and becomes monohydrate (Na3PO4·H2O). When it is heated to 212℃ or more, it becomes anhydrous trisodium phosphate. Easily weathered in dry air. Its aqueous solution has a certain erosion effect on the skin. Easy to weather in dry air, soluble in water, insoluble in carbon disulfide, ethanol and so on. The solubility in water is as follows.
Water Solubility 258 g/L (20 ºC)

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