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    • Qingdao Starco Chemical Co., Ltd. 關(guān)注
      • Urea 46%,Industry Urea 46%,Automotive Grade Urea Prilled,AdBlue Grade Urea,DEF Grade Urea
      Rm. 0811, Century Mansion, No. 39, Donghai West Road, Shinan Dist., Qingdao, Shandong, China (Mainland)
      查看在易之家共有 1 位雇員

    供應(yīng)
    Thiourea dioxide/TDO(Cas no:1758-73-2)
    關(guān)注
    • Classification：
      Thiourea Dioxide
    • CAS No.：
      1758-73-2
    • Other Names：
      Formamidine sulfinic acid
    • MF：
      CH4N2SO2
    • EINECS No.：
      217-157-8
    • Place of Origin：
      Shandong, China (Mainland)
    • Grade Standard：
      Industrial Grade
    • Purity：
      99%
    • Appearance：
      white crystal powder
    • Application：
      used in textile and paper making
    • 供應(yīng)能力： 70000 Kilogram/Kilograms per Month
    • 港口： SHANGHAI PORT
    • US $2.25-2.29/Kilogram（最小訂單 18000Kilogram）
    ZhangJerry
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    Qingdao Starco Chemical Co., Ltd.
    中國山東
    貿(mào)易公司
    小于5職員
    出口模式:Have Own Export License
    出口認(rèn)證:Test Report
    主營產(chǎn)品:Urea 46%,Industry Urea 46%,Automotive Grade Urea Prilled,AdBlue Grade Urea,DEF Grade Urea
    • 產(chǎn)品描述
    • 產(chǎn)品評(píng)價(jià)
      詳細(xì)信息
    • Classification：
      Thiourea Dioxide
    • CAS No.：
      1758-73-2
    • Other Names：
      Formamidine sulfinic acid
    • MF：
      CH4N2SO2
    • EINECS No.：
      217-157-8
    • Place of Origin：
      Shandong, China (Mainland)
    • Grade Standard：
      Industrial Grade
    • Purity：
      99%
    • Appearance：
      white crystal powder
    • Application：
      used in textile and paper making
    ? ? ? Thiourea Dioxide
    • Formula: (NH2)2CSO2????? CAS No: 1758-73-2 or 4189-44-0

    • Other name: Formamidine Sulfinic Acid (FAS), TDO, TUD?

      ?PH: 4 (1% Solution)
      UN No: 3341?????????????? Dangerous Goods Class: 4.2
      Specification:


      Items

      Standard

      Appearance

      white crystal powder

      Purity :(%)

      ≥99.0

      Thiourea: (%)

      ≤0.10

      Moisture: (%)

      ≤0.05

      Iron(PPM)

      ≤10

      Sulphate: (%)

      ≤0.17

      ?Packing:50kg fiber drums, 25kg/ woven bags,
      Applications:
      1. Pulper bleaching of recycled paper.
      2. Single stage bleaching of recycled paper.
      3. Sequential stage bleaching of recycled paper.
      4. Solubilizing Vat dyes.
      5. Clearing commercial dyes.
      6. Reductive bleaching of minerals (primarily Calcium Carbonate).
      7. Replacing sodium hydrosulfite in all above applications.

      Storage:?in a cool (below 30 ), dry, well ventilated area away from all source of ignition and out of direct sunlight. Keep away from incompatible materials. Keep containers tightly closed. Do not store in unlabeled or mislabeled containers. Protect from moisture. Do not store near combustible materials. Keep containers well sealed, seal only with original vent cap. Ensure pressure relief and adequate ventilation. Store separately from organics and reducing materials. Avoid contamination which may lead to decomposition.
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