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CAS No 7446-09-5 , sulfur dioxide

  • Name: sulfur dioxide
  • Synonyms: sulfur dioxide; Schwefeldioxid; sulphur dioxide; Sulfurous oxide; Sulfur superoxide;Sulfurous anhydride; 7446-09-5; Sulfurous acid anhydride;
  • CAS Registry Number:
  • Transport: UN 1079
  • Melting Point: -73 ºC
  • Flash Point: °C
  • Boiling Point: -10 ºC
  • Refractive index: 1.3047 (20 C)
  • Safety Statements: R23;R34
  • Hazard Symbols: T: Toxic;
  • Flash Point: °C
  • EINECS: 231-195-2
  • Molecular Weight: 64.0638
  • InchiKey: RAHZWNYVWXNFOC-UHFFFAOYSA-N
  • InChI: InChI=1S/O2S/c1-3-2
  • Risk Statements: S9;S26;S36/37/39;S45
  • Molecular Formula: O2S
  • Molecular Structure:CAS No:7446-09-5 sulfur dioxide
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7446-09-5 Liquid Sulphur Dioxide

  • India Triveni Chemicals []
  • Tel: +91-(260)-2400022, 3258683
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  • Address: 135, Pancharatna, Char Rasta, G.I.D.C., Vapi, Gujarat 396 195, ,India
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7446-09-5 SULFUR DIOXIDE

  • United States SEA-LAND CHEMICAL CO. [Manufacturer]
  • Tel: 440-871-7887
  • Fax: 440-871-7949
  • Address: SEA-LAND CHEMICAL CO.
    821 Westpoint Parkway
    Westlake, Ohio 44145 ,United States
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7446-09-5 SULFUR DIOXIDE

  • Switzerland CABB [Manufacturer]
  • Tel: +41 61 825 31 11
  • Fax: +41 61 825 36 46
  • Address: CABB GmbH
    Am Unisys Park 1
    D-65843 Sulzbach am Taunus
    Germany
    Phone: +49 69 305 277-72
    Fax: +49 69 305 277-78 ,Switzerland
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7446-09-5 SULFUR DIOXIDE

  • United States Miles Chemical Company [Manufacturer]
  • Tel: 818-504-3355
  • Fax: 818-504-3360
  • Address: Miles Chemical Company
    12801 Rangoon St.
    Arleta, CA 91321 ,United States
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7446-09-5 Sulfur Dioxide

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7446-09-5 Sulfur Dioxide

  • United States Promy International Group [Importer/Exporter]
  • Tel: +1-(888)-918-3888, 510-758-1388
  • Fax: +1-(510)-758-9388
  • Address: 130 Travalini Court, El Sobrante, California 94803, Sobrante,SobranteUnited States
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7446-09-5 SULFUR DIOXIDE

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7446-09-5 Sulfur Dioxide

  • United States Advanced Specialty Gases [Manufacturers]
  • Tel: +1-(775)-356 5500
  • Fax: +1-(775)-356 5571
  • Address: 135 Catron Dr., Reno, Nevada 89512, ,United States
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7446-09-5 sulfur dioxide

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7446-09-5 sulfur dioxide

  • China shanghai hynote [Manufacturers]
  • Tel: +86 379 65867059
  • Fax: +86 379 65867057
  • Address: zhangyang Rd, shanghai shanghai,shanghaiChina
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References of sulfur dioxide
Title: Sulfur Dioxide
CAS Registry Number: 7446-09-5
Synonyms: Sulfurous anhydride; sulfurous oxide
Molecular Formula: O2S
Molecular Weight: 64.06
Percent Composition: O 49.95%, S 50.05%
Line Formula: SO2
Literature References: Liquid SO2 used as solvent: Waddington, Non-aqueous Solvent Systems, T. C. Waddington, Ed. (Academic Press, New York, 1965) pp 253-284. Review of toxicology and human exposure: Toxicological Profile for Sulfur Dioxide (PB99-122020, 1998) 223 pp. Brief review of synthetic applications: F. Fonquerne, Synlett 2005, 1340-1341.
Properties: Colorless, nonflammable gas; strong suffocating odor. Condenses at -10° and ordinary pressure to a colorless liquid. d (liq) 1.5. mp -72°. bp -10°. Mixed with oxygen and passed over red-hot Pt, it is converted into SO3. With water forms sulfurous acid (H2SO3). Bleaches vegetable colors. Soly: in water 17.7% at 0°, 11.9% at 15°, 8.5% at 25°, 6.4% at 35°; in alcohol 25%; in methanol 32%; also sol in chloroform or ether.
Melting point: mp -72°
Boiling point: bp -10°
Density: d (liq) 1.5
CAUTION: Potential symptoms of overexposure are irritation of eyes, nose and throat, rhinorrhea; choking, coughing; reflex bronchoconstriction; direct contact with liquid may cause frostbite. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 288.
Use: Preserving fruits, vegetables, etc.; disinfectant in breweries and food factories; bleaching textile fibers, straw, wicker ware, gelatin, glue, beet sugars. Solvent and reagent in organic synthesis.