Joy Chemical Co., Ltd. Nanjing
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  • Contact Person : Ms. Wang Sara
  • Company Name : Joy Chemical Co., Ltd. Nanjing
  • Tel : 86-25-56612172
  • Fax : 86-25-57226086
  • Address : Jiangsu,Nanjing,No. 28, Xifengbeilu, Yongyang Town, Lishui County
  • Country/Region : China
  • Zip : 211200

industrial grade sodium metabisulfite

industrial grade sodium metabisulfite
Product Detailed
Related Categories:Sulphate
industrial grade sodium metabisulfite Na2S2O5:97.41% SO2:65.04% insolubility matter in water :0.03%

Industrial grade sodium metabisulfite

Molecular formula: Na2S2O5

Molecular weight :190.09

melting point >300, 

Solubility: soluble in water ,alcohol, and acetone and in acidic solution, 

Na2S2O5+ strong acid →SO2+salt, Na2S2O5+O2→Na2S2O6, Na2S2O5(1500°C)→SO2 and others .

1.Storage and transportation :  To prevent damage, moisture, heat metamorphism;

To forbid to coexist with acid and xidants, storage for six months.

2.Appearance: white or light yellow power

3.Solubility:Soluble in water, water solution is acidity. Soluble in glycerin, slightly soluble in alcohol

4.Application:Used in bleach agent,mordant in dyeing,reductant,rubber solidifying agent, 

                        also used in organic synthesis, pharmaceutical and spices, etc

6.Specification sheet:

Items

Result

Na2S2O5

97.41

Appearance

white crystal power

Fe(%)

0.003

Pb(%)

0.0004

SO2(%)

65.04

Insoluble matter in water(%)

0.03

As(%)

0.0001

PH

4.5

Clarity

Clear

industrial grade sodium metabisulfite



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