Shifang Tianrui Chemical Co.,Ltd.

Disodium Phosphate

• Category :

  Inorganic chemicals

• 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;DSP;Disodium Phosphate;Di-Sodium Phosphate;Sodium Phosphate, Dibasic Anhydrous;phosphoric acid, sodium salt (1:2);Disodium hydrogen phosphate anhydrous;Disodium Hydrogenorthophosphate;di-Sodium hydrogen phosphate anhydrous;

• CAS NO :

  7558-79-4

• EC NO :

  231-448-7

• Molecular Formula :

  Na₂HPO₄

• Molecular Weight :

  141.958

• Main Specifications :

  white crystals, main content: 98.0%min

• InChI :

  InChI=1/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2

• Packing :

  packed in plastic woven bag with PE lining, 25kgs/bag

• Product description :

  Chemical formula: Na₂HPO₄·12H₂O
  Molecular weight: 358.14
  CAS NO.: 7558-79-4
  Ref. Standard: HG/T2965-1997(Industrial grade); HG2920-2000(Food grade)
  production capacity:5000 t/a
  Properties: White or colorless crystal, efflorescent in air, easily soluble in water, but insoluble in alcohol, its water solution is slightly alkaline, relative density is 1.63, melting point is 34.6℃
  Technical Specifications:

  No.	Index	Industrial Grade	Food grade
  1	Main content  %≥	98.0	98.0
  2	P2O5   %≥	19.2	19.4
  3	pH of 1% water solution	8.8-9.2	9.0-9.4
  4	Chloride, as Cl % ≤	0.05	0.014
  5	Sulfate, as SO4  % ≤	0.7	0.25
  6	Heavy metal, as Pb % ≤	-	0.001
  7	Arsenic, as As % ≤	0.005	0.0003
  8	Fluoride, as F % ≤	0.05	0.002
  9	Water insoluble % ≤	0.10	0.05

  Applications: Used as a fire-prevention agent for fabric, timber, and paper, also as water softening agent for boiler, food additive, buffering agent, solder, tanning agent, and etc.
  

• Uses :

  Used as a fire-prevention agent for fabric, timber, and paper, also as water softening agent for boiler, food additive, buffering agent, solder, tanning agent, and etc.

• Molecular Structure :