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Disodium hydrogenorthophosphateCAS: 7558-79-4

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Synonyms: Disodium hydrogen phosphate; Sodium phosphate,dibasic; Disodium hydrogen phosphate,edible; disodium orthophosphate; di-sodium hydrogen orthophosphate; di-Sodium Hydrogenphosphate; Disodium Monohydrogen Orthophoshate; disodium monohydrogen phosphate; Disodium Monophosphate; disodium phosphoric acid; Phosphoric acid, disodium salt; Sodium acid phosphate; dibasic sodium phosphate; Sodium monohydrogen phosphate; sodium monohydrogen phosphate (2:1:1); Sodium Phosphate Dibasic; SODIUM PHOSPHATE REAGENT GRADE DIBASIC; soda phosphate; Disodium Phosphate Dihydrate; DSP; Disodium Phosphate; Disodium Phosphate; Di-Sodium Phosphate; Sodium Phosphate, Dibasic Anhydrous Classification:
EINECS: 231-448-7 Molecular Formula: Na2HPO4
Melting Point: 243-245 °C Boiling Point: 158 °C at 760 mmHg
Stability: Stable. Incompatible with strong acids. Hygroscopic. Water Solubility: >=10 g/100 mL at 20℃
Refractive index: Flash Point:
Purity: Appearance: white granular powder
HazardClass: 9 Brand Name:
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  • CAS No.: 7558-79-4
  • Melting Point: 243-245 °C
  • Solubility: > =10 g/100 mL at 20 °C in water
  • Appearance: white granular powder
  • Risk Codes: 36/37/38
  • Safety: 26-36-24/25


1、Chemical Name: DISODIUM PHOSPHATE2、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.3、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. 4、Storage and Transport: It should be stored in a dry and ventilating warehouse, kept away from moisture and heat. Furthermore, it should be stored separately from poisonous substances; unload with care so as to avoid damage to packing.Specification GB 25568-2010Assay(Na2HPO4) ≥% 98.0As≤% 0.0003Heavy Metal(Pb) ≤% 0.001Pb≤% 0.0004Fluorides≤% 0.005Insoluble In Water≤% 0.2LossOnDrying≤% Na2HPO4 5.0 Na2HPO4?2H2O 18.0~22.0 Na2HPO4?12H2O 61.0

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