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Chemical name:
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Trisodium Phosphate
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Molecular formula:
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Na3PO4,Na3PO4·H2O,Na3PO4·12H2O
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Molecular weight:
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Anhydrous: 163.94;Monohydrate 181.96, Dodecahydrate: 380.18
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CAS NO:
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Anhydrous: 7601-54-9; Dodecahydrate: 10101-89-0
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Character:
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It is colorless to white crystal,powder or crystalline powder. It's odorless, easily soluble in water but insoluble in ethanol.
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Usage:
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In food processing industry, it is used as buffering agent, emulsifier, anti-caking agent, antioxidant additive, nutrition supplement, metal chelating agent.
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Packaging:
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It is packed with polyethylene bag as liner and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
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Storage and Transport:
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It should be stored in a dry and ventilating warehouse, kept away from moisture and heat, unload with care as to avoid damage to packing. Furthermore, it should be stored separately from poisonous substances.
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Specification
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GB25565-2010
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Anhydrous Na3PO4(in dry basis)w/% ≥
Monohydrate Na3PO4·H2O,w/% ≥
Dodecahydrate Na3PO4·12H2O,w/% ≥
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97.0
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Heavy Metals(Pb),mg/kg ≤
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10
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Pb,mg/kg ≤
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4
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Fluorides(F),mg/kg ≤
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50
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Insoluble In Water,w/% ≤
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0.2
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pH Value(10g/L)
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11.5~12.5
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As,mg/kg ≤
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3
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Loss On Ignition,w/%
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(Na3PO4) ≤
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2.0
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(Na3PO4·H2O)
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8-11
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(Na3PO4·12H2O)
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45~57
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