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    Your Position: Home > Product > Sodium phosphates

    Monosodium Phosphate

    Update: 2013/10/14 View:
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    Introduction
     

    Chemical Name:

    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:

    In food industry, it is used as buffering, character improving agent, emulsifier, nutrition supplement, antioxidant additive, brine penetrable agent, sugar clarifier, stabilizer, coagulant, fowl scalding agent.

    Packing:

    It is packed with polyethylene bag as liner and a compound paper-plastic woven bag as the outer layer. The net weight of each bag is 25kg.

    Quality index:

    Quality index

    Specification

    GB25564-2010

    HG2919-2000

    FCC1996

    Assay%

    Content (NaH2PO4)

    98.0-103.0

    98.0-103.0

    98.0-103.0

    PH value

    PH-Value

    4.1-4.7

    4.2-4.6

    --

    Water insoluble matter ≤%

    Insoluble In Water

    0.2

    0.20

    0.20

    Heavy Metal≤%

    Heavy Metal(Pb)

    0.001

    0.001

    0.001

    Pb≤%

    Pb

    0.0004

    ---

    ---

    As ≤%

    As

    0.0003

    0.0003

    0.0003??

    Fluoride(F)≤%

    Fluorides (F)

    0.005

    0.005

    0.005

    Loss on Dry%

    NaH2PO4

    2.0

    2.0

    2.0

    NaH2PO4·H2O

    10.0-15.0

    10.0-15.0

    10.0-15.0

    NaH2PO4·2H2O

    20.0-25.0

    20.0-25.0

    20.0-25.0

    Phosphorus pentoxide%

    NaH2PO4

    44.6

    44.6

    58.0-60.95
    (NaH2PO4)

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