TianJia Food Additive Manufacturer Monosodium Phosphate
Monosodium Phosphate, Sodium Dihydrogen phosphate
Molecular Formula:
NaH2PO4, NaH2PO4·H2O, NaH2PO4·2H2O
Molecular Weight:
anhydrous: 120.01; Monohydrate: 138.01; Dihydrate: 156.01
CAS:
anhydrous: 7558-80-7; Monohydrate: 10049-21-5; Dihydrate: 13472-35-0
Character:
It is colorless column crystal, odorless, slightly deliquescence. The relative density is 2.04 and melting point is 60℃. It is
easily soluble in water but insoluble in ethanol. If heated below 100℃, it can dissolve in crystal water and convert to
monohydrate salt. When heated to 100℃, it will lose crystal water and change to anhydrous substances, which will become sodium metaphosphate if continue to be heated.
Uses:
Monosodium Phosphate (MSP) is used as a buffering agent for a wide array of products.
Properties
White powder or granular; relative density 1.86g/cm3; Soluble in water and insoluble in ethanol; If its aqueous solution is heated together with diluted inorganic acid, it will be hydrolyzed into phosphoric acid; It is hygroscopic, and when absorbing humidity, it will become into a product with hexa-hydrates; If it is heated at a temperature above 220℃, it will be decomposed into sodium meta phosphate
Application
As a leavening agent it is applied to roast foodstuffs to control the fermentation speed; When applied to instant noodles, it can shorten rehydration time and avoid stickiness and mushiness of the noodles; When applied to crackers or cakes, it may shorten fermentation time, lower the breakage, make the porous space in good order and therefore lengthen the shelf life
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