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Calcium pantothenate, also known as dextrorotatory calcium pantothenate, white or light yellow crystalline powder, odorless, sweet and bitter taste, easy to dissolve in water, glycerin, insoluble in ethanol, ether, chloroform.Its molecular formula for C18H32CaN2O10, relative molecular weight is 476, the melting point is 190 ℃, flash point is 145 ℃, appropriate storage temperature is 2 ℃ ~ 8 ℃.
In the preparation of d-calcium pantothenate, formaldehyde and iso-butyraldehyde can be used as raw materials. Hydroxymethylation is carried out first, and then sodium cyanide is used for addition reaction. After acidification and hydrolysis, lactone is generated to produce gamma-butylactone and gamma-aminopropionic acid.
D - calcium pantothenate is our life, vitamin B5, belongs to a member of the B vitamins, and water soluble vitamins, is widely used in food, medicine, feed and other industries, mainly used as nutritional additives, in addition, D - calcium pantothenate as vitamin B5, are we on physical activity plays an important role in the human body.
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