Thiurea dioxide 二氧化硫脲

规格: 98%
CAS: 1758-73-2
产品编号: H12313
MDL: MFCD00002397
品牌: INFI
Chemical NameFormamidine Sulfuric Acid
Synonym Amino(imino)methanesulfinic acid {LY} Amino(imino)methanesulfinic acid {} {LY} Amino(imino)methanesulfinic acid {} {} {LY} Amino(imino)methanesulfinic acid {} {} {} {LY} Amino(imino)methanesulfinic acid {} {} {} {} {LY} Amino(imino)methanesulfinic acid {} {} {} {} {} {LY} Amino(imino)methanesulfinic acid {} {} {} {} {} {} {LY} Amino(imino)methanesulfinic acid {} {} {} {} {} {} {} {LY} Amino(imino)methanesulfinic acid {} {} {} {} {} {} {} {} {LY} Amino(imino)methanesulfinic acid {} {} {} {} {} {} {} {} {} {LY} Amino(imino)methanesulfinic acid {} {} {} {} {} {} {} {} {} {} {LY} Amino(imino)methanesulfinic acid {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {LY} Amino(imino)methanesulfinic acid {} {} {} {} {} {} {} {} {} {} {} {} {LY} Amino(imino)methanesulfinic acid {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Amino(imino)methanesulfinic acid {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Amino(imino)me
Beilstein Registry Number506653
PubChem Substance ID61274
CAS Number1758-73-2
EC Number217-157-8
MDL NumberMFCD00002397
Reaxys-RN506653
Chemical Name Translation甲脒亚磺酸
LabNetwork Molecule IDLN00193356
Canonical SMILESO=S(C(N)=N)O
InChIInChI=1S/CH4N2O2S/c2-1(3)6(4)5/h(H3,2,3)(H,4,5)
GHS Symbol
Precautionary statements
  • P201 Obtain special instructions before use. 使用前获取专门指示。
  • P202 Do not handle until all safety precautions have been read and understood. 已阅读并理解所有的安全预防措施之前，切勿操作。
  • P203
  • P235 Keep cool. 保持凉爽。
  • P235+P410
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray. 不要吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
  • P264+P265
  • P270 Do not eat, drink or smoke when using this product. 使用本产品时不要吃东西，喝水或吸烟。
  • P271 Use only outdoors or in a well-ventilated area.? 只能在室外或通风良好的地方使用。
  • P273 Avoid release to the environment. 避免释放到环境中。
  • P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
  • P281 Use personal protective equipment as required. 使用所需的个人防护装备。
  • P284 Wear respiratory protection.? 佩戴呼吸保护装置。
  • P301+P312
  • P301+P312+P330
  • P301+P317
  • P302+P350
  • P302+P352
  • P302+P352+P332+P313+P362+P364
  • P304+P312
  • P304+P340
  • P304+P340+P310
  • P305+P351+P338
  • P305+P351+P338+P310
  • P305+P354+P338
  • P307+P311
  • P308+P313
  • P308+P316
  • P309+P311
  • P310 Immediately call a POISON CENTER or doctor/physician. 立即呼救解毒中心或医生/医师。
  • P312 Call a POISON CENTER or doctor/physician if you feel unwell. 如果你感觉不适，呼叫解毒中心或医生/医师。
  • P314 Get medical advice/attention if you feel unwell. 获取医疗咨询/就医，如果你觉得不舒服
  • P316
  • P317
  • P318
  • P319
  • P320 Specific treatment is urgent (see … on this label). 紧急具体治疗（见本标签上的）。
  • P321 Specific treatment (see … on this label). 具体治疗（见本标签上的）。
  • P330 Rinse mouth. 漱口
  • P332+P313
  • P332+P317
  • P337+P313
  • P337+P317
  • P362 Take off contaminated clothing and wash before reuse. 脱掉污染的衣服，清洗后方可重新使用
  • P362+P364
  • P403+P233
  • P405 Store locked up. 上锁保管。
  • P407 Maintain air gap between stacks/pallets. 在堆叠/货板间保持气隙。
  • P410 Protect from sunlight. 防止阳光照射。
  • P413 Store bulk masses greater than … kg/…lbs at temperatures not exceeding … oC/…oF. 商店散装超过…kg/…lbs 时温度不应超过…oC/…oF.
  • P420 Store away from other materials. 远离其他材料。
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
    WGK Germany1
    Signal word
    Hazard statements
    • H251 Self-heating: may catch fire 自我放热：可能着火
    • H252 Self-heating in large quantities; may catch fire 自我释放大量的热；可能着火。
    • H302 Harmful if swallowed 吞食有害
    • H315 Causes skin irritation 会刺激皮肤
    • H318 Causes serious eye damage 严重伤害眼睛
    • H319 Causes serious eye irritation 严重刺激眼睛
    • H330 Fatal if inhaled 吸入致命
    • H332 Harmful if inhaled 吸入有害
    • H335 May cause respiratory irritation 可能导致呼吸道刺激
    • H373 May causes damage to organs through prolonged or repeated exposure 长期或频繁接触可能会损伤器官
      Hazard Codes
      Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves
      RTECSPB0372500
      UN Number
      Safety Statements
      • S24/25 Avoid contact with skin and eyes 避免皮肤和眼睛接触；
      • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后，立即用大量水冲洗并征求医生意见；
      • S36/37 Wear suitable protective clothing and gloves 穿戴适当的防护服和手套；
      • S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护；
      • S60 This material and its container must be disposed of as hazardous waste 该物质及其容器必须作为危险废物处置；
        Risk Statements
        • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
        • R22 Harmful if swallowed 吞咽有害
        • R5 Heating may cause an explosion 加热会引起爆炸
          Storage condition 2-8°C {LY} 2-8°C Moisture Sensitive {} {LY} 2-8°C {} {} {LY} 2-8°C {} {} {} {LY} 2-8°C {} {} {} {} {LY} 2-8°C {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {
          Packing GroupII
          Hazard Class4.2
        • 酮类还原成仲醇的试剂。分离稀有金属铑和铱。照相乳胶敏化剂。聚氯乙烯稳定剂。
        • {ALFA} Disulfides and N-tosylsulfimines are reduced, under phase-transfer conditions, to thiols and sulfides respectively: Synthesis, 529 (1975). In the presence of iodine as a catalyst, sulfoxides are reduced to sulfides in high yield: Synthesis, 542 (1978).
        • {ALFA} For use in the reductive cyclization of nitro ketones to pyrroles, see 2-Benzyl­idenecyclohexanone, L13434 and 3-Penten-2-one, L13031.
        • {ALD} Beilstein:3(1)36
        • {ALF} Disulfides and N-tosylsulfimines are reduced, under phase-transfer conditions, to thiols and sulfides respectively: Synthesis, 529 (1975). In the presence of iodine as a catalyst, sulfoxides are reduced to sulfides in high yield: Synthesis, 542 (1978).
        • {ALF} Has been used to reduce ketones to secondary alcohols: Tetrahedron Lett., 343 (1972), and aldehydes to primary alcohols: J. Chin. Chem. Soc., 21, 235 (1973).
        • {ALFA} Has been used to reduce ketones to secondary alcohols: Tetrahedron Lett., 343 (1972), and aldehydes to primary alcohols: J. Chin. Chem. Soc., 21, 235 (1973).
        • {ALF} For use in the reductive cyclization of nitro ketones to pyrroles, see 2-Benzyl­idenecyclohexanone, L13434 and 3-Penten-2-one, L13031.
          • 1758-73-2 H12313 Thiurea dioxide 二氧化硫脲

          化学属性

          Mol. FormulaCH4N2O2S
          Mol. Weight108.12
          Melting Point142-143°C
          Density2.25
          TSCAYes
          Solubility二氧化硫脲对湿敏感。在沸水中立即分解。在微碱性溶液中则分解为尿素和次硫酸。易溶于水，水溶液呈微酸性，溶于浓硫酸，微溶于冰乙酸，不溶于乙醚和苯等有机溶剂。加热至142-143℃分解。有刺激性。水中溶解度: 30 g/L (20°C)
          Stability对湿度敏感
          Appearance 二氧化硫脲(1758-73-2)为白色无臭晶体粉末，是一种既无氧化性又无还原性的稳定化合物。熔点126℃左右，但加热到100℃以上时，则慢慢分解，在110℃时就分解生成SO2，继续加热，则分解为尿素和亚硫酸。20℃时，在1L水中的溶解度为26.7g，其水溶液呈酸性，不溶于醚和苯。在碱的作用下，能分解为尿素和亚硫酸钠。
          Boiling Point355.3±25.0 °C at 760 mmHg

          *以上化合物性质及应用等信息仅供参考