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Monosodium phosphate dihydrate
发布日期:2019/01/02 阅读次数:[203]

  1. Chemical Name:Monosodium Phosphate
  2. Molecular Formula:NaH2PO4,NaH2PO4·H2O,NaH2PO4·2H2O
  3. Molecular Weight: Anhydrous: 120.01; Monohydrate: 138.01; Dihydrate: 156.01
  4. CAS: Anhydrous: 7558-80-7; Monohydrate: 10049-21-7; Dihydrate: 13472-35-0
  5. 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 its’ own crystal water and convert to monohydrate salt. When heated up to 100℃, it’ll lose crystal water and change to anhydrous substances, which will become Sodium Metaphosphate if it continues to be heated.
  6. Usage: In food industry, it is used as buffering, character improving agent, emulsifier, nutrition supplement, antioxidant additive, brine penetrable agent, sugar clarifier, stabilizer, coagulant and fowl scalding agent.
  7. Packing:It is packed with polyethylene bag as inner layer and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
  8. Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
Name of Index FCCVII Index
Content  (Dry Basis)      ≥% 98.0-103.0 99.25
As                     ≤% 0.0003 <0.0003
Heave Metals(As Pb)      ≤% 0.001 <0.001
Loss on Drying           ≤% 2.0 1.56
Pb                     ≤% 0.0004 <0.0004
Water  Insolubles         ≤% 0.2 0.07
pH 4.1-4.7 4.3
F                       ≤% 0.005 <0.005

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