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    Sodium Dihydrogen Phosphate (SDP) (99,5%) - China

    Sodium Dihydrogen Phosphate (SDP) (99,5%) - China in Tradeasia

    IUPAC Name

    Sodium Dihydrogen Phosphate

    Cas Number

    7558-80-7

    HS Code

    2835.22.00

    Formula

    NaH2PO4

     

    Basic Info

    Appearance

    White Powder

    Common Names

    Monosodium Phosphate

    Packaging

    25 kg kraft/woven/PP bag

    Brief Overview 

    Sodium Dihydrogen Phosphate (SDP) is an inorganic compound of sodium and dihydrogen phosphate ions. The partial neutralization of phosphoric acid produces it. It occurs in anhydrous as well as mono and dihydrate. It is a white powder or colourless crystal soluble in water and slightly soluble in alcohol. Sodium phosphates are inexpensive and non-toxic.

    Manufacturing Process

    Manufacturing monosodium phosphate consists of reacting upon dicalcium phosphate with sodium bin-oxalate. Then removing calcium oxalate formed from the resulting solution of monosodium phosphate. Reacting upon the calcium oxalate with boiling sodium carbonate produces sodium oxalate. And then adding the required amount of an acid to produce sodium binoxalate for re-introduction into the process.

    Food Industry 

    SDP is used as an emulsifier in foods along with di,tri-sodium phosphate, dipotassium phosphate etc. It acts as a buffer and helps regulate the pH of cheese and other foodstuffs. It quickens gelation in custard pudding and other baked foods. It is used to bring tartness to non-cola beverages because of its acidifying effects. It also helps in retaining the colour of eggs. Other uses include sequestrant, quality enhancer and leavening agent.

    Other Applications 

    SDP is further used in boiler water treatment, baking powder manufacturing, acid cleaning, cattle feed supplement, electroplating, laboratory reagent and phosphate source in effluent treatment.

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