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Disodium Phosphate

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Molecular FormulaNa2HPO4, Na2HPO4•2H2O, Na2HPO4•12H2O
Molecular Weightanhydrous: 141.96; Dihydrate: 177.96; dodecahydrate: 357.96
CASanhydrous: 7558-79-4; Dihydrate: 10028-24-7; dodecahydrate: 10039-32-4
Characterwhite or colorless rhombic crystalline or prismatic crystal

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Products Description

Molecular Formula:Na2HPO4, Na2HPO4Â•2H2O, Na2HPO4Â•12H2O Molecular Weight:anhydrous: 141.96; Dihydrate: 177.96; dodecahydrate : 357.96 CAS: anhydrous: 7558-79-4; Dihydrate: 10028-24-7; dodecahydrate : 10039-32-4 Character:It is white or colorless rhombic crystalline or prismatic crystal. Its easily soluble in water, but insoluble in ethanol. The relative density is 1.63 andÂ melting point is 34.6. If heated to 180, it may lose crystal water, convert to anhydrous. Uses: 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 chelae agent for solid drinks. Packing: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. Quality index USP FCC,1996 Assay (as Na2HPO4) , % 98.0 98.0 As ,% 0.0003 0.0003 Heavy Metal(Pb), % 0.001 0.001 Pb% 0.0004 --- Fluoride, % 0.005 0.005 Water insoluble matter,% 0.2 0.2 Lodd degree on dry% 5.0 5.0 18.0-22.0 18.0-22.0 61.0 61.0 P2O5% 49.0 (Na2HPO4) 49.0 (Na2HPO4) Storage & Transportation:It should be stored in a dry and ventilative warehouse, kept away from moisture and hot. Furthermore, it should be stored separately from poisonous substances; unload with care so as to avoid damage to packing.

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Chemicals & Allied Products

Products Specification

Molecular FormulaNa2HPO4, Na2HPO4•2H2O, Na2HPO4•12H2O
Molecular Weightanhydrous: 141.96; Dihydrate: 177.96; dodecahydrate: 357.96
CASanhydrous: 7558-79-4; Dihydrate: 10028-24-7; dodecahydrate: 10039-32-4
Characterwhite or colorless rhombic crystalline or prismatic crystal
Density1.63
Melting Point34.6°C
Solubilityeasily soluble in water, insoluble in ethanol
Thermal Behaviorloses crystal water at 180°C, converts to anhydrous
Assay (Na2HPO4)≥98.0%
Heavy Metals (as Pb)≤0.001%
Lead (Pb)≤0.0004%
Fluoride (F)≤0.005%
Water Insoluble Matter≤0.2%
P2O5 (Na2HPO4 basis)49.0%
StandardsUSP, FCC1996
Packingpolyethylene bag liner, compound plastic woven bag outer, 25 kg net
Storagedry, ventilated warehouse; away from moisture, heat and poisonous substances

Supplier information

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Suqian Runmag Biological Nutritions Co., Ltd.

China

Business type - Contact Seller

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Disodium Phosphate is available as anhydrous, dihydrate and dodecahydrate with formulas Na2HPO4, Na2HPO4•2H2O and Na2HPO4•12H2O, molecular weights 141.96, 177.96 and 357.96, CAS 7558-79-4, 10028-24-7 and 10039-32-4. The material is white or colorless rhombic or prismatic crystal, density 1.63, melting point 34.6°C, easily soluble in water, insoluble in ethanol, loses crystal water at 180°C to become anhydrous. Specifications per USP and FCC1996 show assay ≥98%, arsenic, heavy metals as Pb ≤0.001%, lead ≤0.0004%, fluoride ≤0.005%, water insoluble ≤0.2%, P2O5 49.0% (on Na2HPO4 basis). Food uses include baking agent to prevent oxidation staining, emulsifier in dairy to prevent egg white coagulation, and emulsifier and chelating agent for solid drinks. Packing is polyethylene liner inside composite plastic woven bag, 25 kg net. Storage in dry, ventilated warehouse away from moisture, heat and toxic substances.

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About Supplier

Suqian Runmag Biological Nutritions Co., Ltd. is a B2B supplier based in China, listed on Global Trade Plaza since October 2026. Use Inquire now or Chat with supplier to ask Suqian Runmag Biological Nutritions Co., Ltd. for prices, specifications and documents for Disodium Phosphate.

Supplier Details for Disodium Phosphate

Member since - Oct 2026
Business Type - Contact Seller
Deals in Product Type - Chemicals & Allied Products
Country - China

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