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CAS No 16731-55-8 , Potassium metabisulfite

  • Name: Potassium metabisulfite
  • Synonyms: Dipotassium pyrosulfite;Potassium metabisulfite; Potassium pyrosulfite; Dipotassium disulfite; Dipotassium disulphite; 16731-55-8;Potassium disulfite;
  • CAS Registry Number:
  • Safety Statements: Experimental reproductive effects. A very irritating material. Questionable carcinogen with experimental tumorigenic data. Mutation data reported. When heated to decomposition it emits toxic fumes of SOx and K2SO3. See also SULFITES.
  • Hazard Symbols: Xi: Irritant;
  • EINECS: 240-795-3
  • Molecular Weight: 222.3236
  • InchiKey: RWPGFSMJFRPDDP-UHFFFAOYSA-L
  • InChI: InChI=1S/2K.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
  • Risk Statements: 31-36/37/38
  • Molecular Formula: K2O5S2
  • Molecular Structure:CAS No:16731-55-8 Potassium metabisulfite
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16731-55-8 Potassium Metabisulfite

  • China Kodia Company Limited [Manufacturers]
  • Tel: +86-731-8441 8446
  • Fax: 86-731-84896770
  • Address: 10A Huihua Bldg.,Huatian New City,No.89,Section 2,Furong Road(M), Changsha 410011,China Changsha,HunanChina
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16731-55-8 Potassium metabisulfite

  • China Shandong Libaode Chemical Co., Ltd. null
  • Tel: +86-530-7612366,7613088
  • Fax: +86-530-7613088,7612366
  • Address: Caiyuanji township economic park, Dongming, Heze, Shandong, China null,nullChina
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16731-55-8 Potassium metabisulfite

  • India ACM Chemicals [Manufacturers]
  • Tel: +91-(265)-9428762088
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  • Address: A/90-Natasha park - 2, Nzp Rd, Vadodara, Gujarat 390002, BARODA,GujaratIndia
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16731-55-8 Potassium Meta Bisulphite

  • India Shakti Chemicals [Manufacturers]
  • Tel: +91-(26766)-247227
  • Fax: +91-(2676)-247355
  • Address: Baska, Panchmahal, Halol, Gujarat 389352, Vadodara,GujaratIndia
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References of Potassium metabisulfite
Title: Potassium Metabisulfite
CAS Registry Number: 16731-55-8
CAS Name: Potassium pyrosulfite
Molecular Formula: K2O5S2
Molecular Weight: 222.32
Percent Composition: K 35.17%, O 35.98%, S 28.85%
Line Formula: K2S2O5
Literature References: The article of commerce contains ~95% K2S2O5.
Properties: White crystals or cryst powder; sulfur dioxide odor; acid reaction; liberates SO2 with acids; oxidizes in air to sulfate, more readily in presence of moisture. It may catch fire if much heat develops in powdering it. Freely sol in water; insol in alcohol. Keep dry and well closed.
Use: As antifermentative in breweries and wineries; bleaching straw; preservative for fruits and vegetables.