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CAS No 7681-57-4 , Sodium metabisulfite

  • Name: Sodium metabisulfite
  • Synonyms: Natriumbisulfit;Sodium metabisulfite; Campden Tablets;Sodium disulfite; Fertisilo; Sodium pyrosulfite; Natrium pyrosulfit; Natrii disulfis; Disodium disulfite;
  • CAS Registry Number:
  • Transport: UN 2693
  • Melting Point: 150 ºC
  • Density: 1.48
  • Water Solubility: 540 G/L (20 ºC)
  • Safety Statements: R22;R31;R41
  • Hazard Symbols: Xn: Harmful;
  • EINECS: 231-673-0
  • Molecular Weight: 190.106539
  • InchiKey: HRZFUMHJMZEROT-UHFFFAOYSA-L
  • InChI: InChI=1S/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2
  • Risk Statements: S26;S39;S46
  • Molecular Formula: Na2O5S2
  • Molecular Structure:CAS No:7681-57-4 Sodium metabisulfite
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7681-57-4 Sodium metabisulfite food grade

  • 1.Basic introduction: Product name:Sodium metabisulphite Other name:sodium metabisulfite,sodium pyrosulfite,sodium metabi, Pyrosulfurous acid, disodium salt Appearance:snow white crystal powder or granular Formular Chemical:Na2S2O5 Grade:both tech gr...
  • Min. Order: 10000
  • FOB Price: USDfalse - false /
  • China Hengdong Weichuang Ferrous Co.,Ltd [Manufacturer]
  • Tel: 86-731-85573666
  • Address: Limu Town,Hendong County,Hengyang Hunan,China Hengyang, Hunan Hengyang,HunanChina
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7681-57-4 Sodium metabisulte SMBS

  • 1.Basic introduction: Product name:Sodium metabisulphite Other name:sodium metabisulfite,sodium pyrosulfite,sodium metabi, Pyrosulfurous acid, disodium salt Appearance:snow white crystal powder or granular Formular Chemical:Na2S2O5 Grade:both tech gr...
  • Min. Order: 10000
  • FOB Price: USDfalse - false /
  • China Hengdong Weichuang Ferrous Co.,Ltd [Manufacturer]
  • Tel: 86-731-85573666
  • Address: Limu Town,Hendong County,Hengyang Hunan,China Hengyang, Hunan Hengyang,HunanChina
Contact Supplier

7681-57-4 sodium pyrosulfite

  • Molecular formula: Na2S2O5 Molecule weight: 190.10 Appearance: White or light yellow crystalline powder Quality standard: HG/T2826-2008 Company standard Item Index Total content(as Na2S2O5)% ≥ 96.5 Main assay(as SO2)% ≥ 65.4 Fe(as Fe)% ≤ 0.004 Wat...
  • Min. Order: 10
  • FOB Price: USDfalse - false /
  • China Xinxiang City Yuguang Technology Co., Ltd [Manufacturer]
  • Tel: 86-0373-5858028
  • Address: Jinsui Street Xinxiang ,HenanChina
Contact Supplier

7681-57-4 Sodium metabisulfite food grade

  • Molecular formula: Na2S2O5 Molecule weight: 190.10 Appearance: White or light yellow crystalline powder Quality standard: HG/T2826-2008 Company standard Item Index Total content(as Na2S2O5)% ≥ 96.5 Main assay(as SO2)% ≥ 65.4 Fe(as Fe)% ≤ 0.004 Wat...
  • Min. Order: 10
  • FOB Price: USDfalse - false /
  • China Xinxiang City Yuguang Technology Co., Ltd [Manufacturer]
  • Tel: 86-0373-5858028
  • Address: Jinsui Street Xinxiang ,HenanChina
Contact Supplier

7681-57-4 industrial grade sodium pyrosulfite

  • Molecular formula: Na2S2O5 Molecule weight: 190.10 Appearance: White or light yellow crystalline powder Quality standard: HG/T2826-2008 Company standard Item Index Total content(as Na2S2O5)% ≥ 96.5 Main assay(as SO2)% ≥ 65.4 Fe(as Fe)% ≤ 0.004 Wat...
  • Min. Order: 10
  • FOB Price: USDfalse - false /
  • China Xinxiang City Yuguang Technology Co., Ltd [Manufacturer]
  • Tel: 86-0373-5858028
  • Address: Jinsui Street Xinxiang ,HenanChina
Contact Supplier

7681-57-4 SODIUM META BISULFITE

  • United States Bromorganics Corporation [Manufacturer]
  • Tel: 847-238-9588
  • Fax: 847-238-9688
  • Address: Bromorganics Corporation
    P. O. Box 722
    Elk Grove Village, Illinois 60009 ,United States
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7681-57-4 Sodium metabisulfite

  • Hong kong ADVANCED TECH. & IND. CO., LTD. [Distributor/Wholesaler]
  • Tel: 86-23902293
  • Fax: 86-27898314
  • Address: UNIT B, 1/F, CHEONG SHING IND. BLDG., 17 WALNUT ST., TAI KOK TSUI, KLN, HONG KONG Hong Kong,nilHong kong
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7681-57-4 Sodium metabisulfite

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7681-57-4 Sodium Pyrosulphite

  • China Hainan Zhongxin Chemical Co., Ltd. [Manufacturer]
  • Tel: + 86 898 6854 0310/ + 86 21 64361616
  • Fax: + 86 898 6854 0119
  • Address: HAINAN COMPANY
    Address: Rm 811, Hainan Mandarin Hotel,
    Binhai Avenue, Haikou city,
    Hainan, P.R.China
    Tel: + 86 898 6854 0310
    Fax: + 86 898 6854 0119 ,China
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7681-57-4 Sodium metabisulfite

  • China Hangzhou Starshine Pharmaceutical Co., LTD [Manufacturers]
  • Tel: +86-571-89939756 85122191
  • Fax: +86-571-85122157
  • Address: ROOM A, 20 TH FLOOR, WEST BUILDING, INTERNATIONAL GARDEN, NO.160 TIANMUSHAN ROAD, HANGZHOU, CHINA ,ZhejiangChina
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References of Sodium metabisulfite
Title: Sodium Metabisulfite
CAS Registry Number: 7681-57-4
CAS Name: Sodium pyrosulfite
Molecular Formula: Na2O5S2
Molecular Weight: 190.11
Percent Composition: Na 24.19%, O 42.08%, S 33.73%
Line Formula: Na2S2O5
Literature References: Crystallizes from cold water with 7H2O.
Properties: White crystals or powder; odor of SO2. Freely sol in water, glycerol; slightly sol in alcohol. The aq soln is acid.
CAUTION: Potential symptoms of overexposure are irritation of eyes, skin and mucous membranes. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 284.
Use: Pharmaceutic aid (antioxidant).