Sodium sulfite anhydrous

• Post Date:

  Aug 23,2014

• Expiry Date:

  Feb 19,2015

• Detailed Description:

  Cas No. :7577-83-7

  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.

• CAS Registry Number:

  7577-83-7

• Synonyms:

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

• Molecular Formula:

  Na₂SO₃

• Molecular Weight:

  126.04

• Molecular Structure:

  

• Hazard Symbols:

   Xn:Harmful;
  

• Risk Codes:

  R22:;
  R36/37/38:;
  

• Safety Description:

  S24/25:;
  

• Company:

  Shandong Hailan Chemical Industry Co.,Ltd.     [ China ]        

• Contact:

  Mr Li

• Tel:

  +86-536-5337337 5364999

• Fax:

  +86-536-5337000

• Email:

  sales@sdhailanchem.com