Weifang Haiye Chemistry And Industry Co.,Ltd

Sodium sulfite

• Category :

  Inorganic chemicals

• Synonyms :

  Sodium sulfite anhydrous;Sodium sulphite;anhydrous sodium sulfite;Sodium sulfite ,anhydrous;Sodium Sulfite (Food Grade);

• CAS NO :

  7757-83-7

• EC NO :

  231-821-4

• Molecular Formula :

  Na₂SO₃

• Molecular Weight :

  126.04

• Main Specifications :

  90%，93%，96%，97%，98%

• InChI :

  InChI=1/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2

• Packing :

  Net 25/50/1000kg in pp bag

• Product description :

  ITEM	CAS NO.	UN NO./H.S CODE	PURITY	Hazard Class	Molecular Formula:	WEIGHT	QUANTITY/20' FCL
  Sodium Sulfite Anhydrous	7757-83-7	283210	90/93/97%	NO	Na2SO3	25KG Bag	26MT

   

  Product Name:	Sodium sulfite anhydrous
  CAS NO:	7577-83-7
  Molecular Formula:	Na2SO3
  Specifications	Item Grade Best quality First quality Qualifier Sodium sulfite (Na2SO3) Assay, % ≥ 97.0 ≥ 96.0 ≥ 93.0 Fe, % ≤ 0.003 ≤ 0.005 ≤ 0.02 Insol. in water, % ≤ 0.02 ≤ 0.03 ≤ 0.05 Free alkali (Na2SO3) Assay, % ≤ 0.10 ≤ 0.40 ≤ 0.80 Sulphate (Na2SO4) Assay, % ≤ 2.5 — — Chlorides (NaCl) Assay, % ≤ 0.10 —
  Packing:	25kg plastic woven bag, 50kg/500kg/1000kg flexible freight bag, or upon clients' demand.
  Specifications:	white crystal or powder; pH of aqueous solution: 9-9.5, At 33.4oC,it solubility is 28%. Density: 2.633(15.4oC), refracitive index: 1.565; Molecular weight126.04. H.S code: 283210
  Use:	Used as deoxidant and bleaching agent for printing & dyeing industry; also used for paper making, electronic and water treatment industries.

• Uses :

  used in leather and tannage, plant bleaching agent, reductant

• Molecular Structure :