Taian Health Chemical Co., Ltd.

Sodium Dichromate

• Category :

  Inorganic chemicals

• Synonyms :

  Dichromic acid disodium salt, dihydrate;Disodium dichromate dihydrate;sodium dichromate dihydrate;

• CAS NO :

  7789-12-0

• EC NO :

  234-190-3

• Molecular Formula :

  Cr₂H₄NaO₉

• Molecular Weight :

  275.00833

• Main Specifications :

  Purity: 98%

• InChI :

  InChI=1/2Cr.Na.2H2O.7O/h;;;2*1H2;;;;;;;/q;;+1;;;;;;;;2*-1/rCr2O7.Na.2H2O/c3-1(4,5)9-2(6,7)8;;;/h;;2*1H2/q-2;+1;;

• Packing :

  25kg/pp woven bag

• Product description :

  Introduction of sodium dichromate:

   Sodium dichromate (Na₂CrO₄) is a orange solid chemical compound used as a corrosion inhibitor in the petroleum industry, a dyeing auxiliary in the textile industry, as a wood preservative, and as a diagnostic pharmaceutical in determining red blood cell volume.

   

  specification of sodium dichromate:

  Name		Sodium dichromate      sodium bichromate
  Molecular formula		Na2Cr2O7           Na2Cr2O7·2H2O
  Molar mass		261.97 g/mol (anhydrous) 298.00 g/mol (dihydrate)
  Appearance		Nacarat crystals
  Exercised Standard		GB/T 1611-2003
  CAS NO		10588-01-9  Y 7789-12-0 (dehydrate)
  EC number		234-190-3
  Packing		25kg or 50kg per metal bucket
  Uses		It is mainly used in mordanting,tanning,pharmacy and raw material for chromic anhydride and potassium dichromate production.

   

   

   

   

   

   

   

   

    

   Applications:
  Mainly used in the manufacture of chromium anhydride, yellow pigments and other chromate salts. Also used in leather tanning, textile dyeing, electroplating, medicine, lipids, oil-well drilling and wood preservation etc.

• Uses :

  in producing chromic anhydride, chromic oxide and potassium dichromate, oxidant in producing basic dye, saccharin, camphor and fiber. Used as oxidant in pharmacy, printing and dyeing industry. Used to raising brightness in Zinc galvanized industry.

• Molecular Structure :