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Sodium hexametaphoshpate MFCD00136045 EINECS 233-343-1
Density: 2.181
Melting point: 616℃
Molecular formula: Na6O18P6
Molecular weight: 611.770
Exact quality: 611.689636
PSA: 387.19000
LogP: 3.28080
Appearance: white granular solid
Refractive index: 1.482
Storage conditions:
Sodium hexametaphosphate should be stored in a cool, ventilated, dry, clean, non-toxic warehouse. Storage and transportation with toxic and hazardous materials is strictly prohibited.
Stability:
Sodium hexametaphosphate is a colorless transparent glass flake or white granular crystal. The specific gravity is 2.484 (20℃). It is deliquescent in the air and easily soluble in water. It dissolves 973.2 grams per liter of water at 20℃, and 1744 grams per liter of water at 80℃. The pH of 1% solution is about 5.5-6.5, insoluble Organic solvent, in a neutral medium, the final product of hydrolysis is orthophosphate. It is highly hygroscopic, and it can gradually absorb moisture when exposed to the air and become a viscous gel. It can be combined with alkaline earth metal to synthesize soluble double salt, so it has the function of dissolving scale and is a good water softener.
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