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Anhydrous Sodium sulfite industry grade

Inquiry
  Post Date: Nov 04,2025
  Expiry Date: Nov 04,2026
  Detailed Description: Cas No. :7757-83-7 Quantity: 16000Metric Tons
Specs:97%
Price:550 USD Metric Tons
Payment Method: T/T and L/C
Anhydrous Sodium sulfite industry grade
1、Molecular formula：Na2SO3
2、Molecular Weight：126.04
3、Nature：
White crystal or powder; no foul. Soluble in water, very slightly soluble in ethanol, almost insoluble in ether. White hexagonal prismatic crystals, soluble in water (0 ℃ 12.54g/100ml water; 80 ℃ when the 283g/100ml water), in 33.4 ℃ The maximum solubility of about 28% when the aqueous solution is alkaline, PH value is about 9 ~ 9.5 . Slightly soluble in alcohol, insoluble in liquid chlorine, ammonia. Easily oxidized in air sodium, when the temperature is decomposed into sodium sulfide. To strengthen the reducing agent, reacts with sulfur dioxide, sodium bisulfite, reacted with the acid salt.
4、Usage：
The role of anhydrous sodium sulfite is extensive, it is in the pharmaceutical industry, paper making, leather tanning and dyeing industries and plant fiber bleaching, food, etc have a very important role. Addition of anhydrous sodium sulfite is also used to film developing, bleaching agents, printing and dyeing industry as a deoxygenation agent.

  CAS Registry Number:

7757-83-7
  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: :;
:;
  Safety Description: :;

  Company: Hunan Yueyang Sanxiang Chemical Co.,Ltd     [ China ]          
  Contact: Kerry Xiao
  Tel: 0730-8555768
  Fax: 0730-8555728
  Email: zhy@sanxiangchem.com
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