DISODIUM PHOSPHATE

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PRODUCT DETAIL

1、Chemical Name: Disodium Phosphate

2、Molecular Formula:, Na₂HPO₄，Na₂HPO₄·2H₂O，Na₂HPO₄·12H₂O

3、Molecular Weight: Anhydrous: 141.99; Dihydrate: 177.96; Dodecahydrate: 358.14

4、CAS: Anhydrous: 7558-79-4; Dihydrate: 10028-24-7; Dodecahydrate: 10039-32-4

5、Character: It is white or colorless rhombic crystalline or prismatic crystal. It’s easily soluble in water, but insoluble in ethanol. The relative density is 1.52 and melting point is 34.6℃. If heated to 180℃, it will lose crystal water and convert to anhydrous.

6、Usage: In food industry, it is used as agent for baking to avoid oxidation stain and as emulsifier in dairy product to prevent egg white from solidification. It is also used as emulsifier and chelating agent for solid drinks.

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.

质量指标		Specification		GB 25568-2010	FCC VII
含量Na₂HPO₄（以干基计），w/% ≥		Assay (Na₂HPO_4,Dry Basis)，w/% ≥		98.0	98.0
砷（As），mg/kg ≤		As， mg/kg ≤		3	3
重金属（以Pb计），mg/kg ≤		Heavy Metal (Pb)， mg/kg ≤		10	————
铅（Pb），mg/kg ≤		Pb，mg/kg ≤		4	4
氟化物（以F计），mg/kg ≤		Fluorides，mg/kg ≤		50	50
水不溶物，w/% ≤		Insoluble Substances，w/% ≤		0.2	0.2
干燥减量，w/%	Na₂HPO₄ ≤	Loss On Drying	Na₂HPO₄ ≤	5.0	5.0
	Na₂HPO₄·2H₂O		Na₂HPO₄·2H₂O	18.0-22.0	18.0~22.0
	Na₂HPO₄·12H₂O ≤		Na₂HPO₄·12H₂O ≤	61.0	————