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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:

    7577-83-7 Sodium sulfite
  • 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
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