• 原料直供
• 试剂商城
• 直接询价

分类

• {SNA} Building Blocks, C4 to C6, Chemical Synthesis, Heterocyclic Building Blocks, Thiophenes
• {SNA} Bu
• {SNA} Additional Standards, Alpha Sort, Analytical Standards, Chemical Class, Chromatography, Environmental Standards, Heterocyclics, Organic Pollutant Standards,
• {SNA} Building Blocks, C4 to C6, Chemical Synthesis, Heterocyclic Building Blocks,
• {SNA} Additional Standards, Alpha Sort, Analytical Standards, Chemical Class, Chromatography, Environmental Standards, Heterocyclics, Organic Pollutant Standards, P-S, Phosphorous & Sulfur containing,

产品应用

• 溶解力强、选择性好的极性溶剂，大部分有机化合物与聚合物能溶于环丁砜，或与它混溶。主要用作芳烃抽提的萃取剂，聚合物纺丝或浇膜溶剂，天然气及合成气、炼厂气的净化、合成气的净化脱硫，以及作为橡胶、塑料的溶济等。此外，还可用于纺织印染工业作为印染助剂，可使色彩鲜明、光亮。

相关文献及参考

• Solvent for the Baylis-Hillman reaction, using 1,4-Diazabicyclo[2.2.2]octane, A14003, which enables short reaction times at room temperature: Tetrahedron Lett., 45, 1183 (2004).
• High-boiling dipolar aprotic solvent. Compare Dimethyl­ sulfoxide, A13280, N,N-Dimethyl­acetamide, A10924 and 1-Methyl-2-pyrrolidinone, A12260.
• Merck: 14,8955 Beilstein:17(5)1,39
• Use of this solvent makes possible the reduction of alkyl bromides to alkanes by NaBH4: Tetrahedron Lett., 3495 (1969).
• Solvent for nitrations using Nitronium tetrafluoroborate, B20167.
• Can be doubly metallated at the ɑ-positions with strong bases such as NaNH2, LiNH2 or n-BuLi, and the resulting dianion reacted with one or two equivalents of benzophenone to give the mono- or bis-adduct respectively: J. Org. Chem., 35, 1834 (1970); J. Organomet. Chem., 59, 53 (1973). For alkylation of the monolithio-derivative, see: Synth. Commun., 18, 583 (1988).
• Merck: 14,8955
• Widely used as solvent in the nucleophilic displacement of chloroaromatics with F- (Halex fluorination). For example, chlorinated benzaldehydes were converted to their fluoro-analogues by heating with KF in tetramethylene sulfone at 220o: J. Fluorine Chem., 46, 529 (1990). Nitro groups have also been displaced by F- by heating in the presence of tetramethylammonium chloride and phthaloyl chloride as a nitrite trap: J. Org. Chem., 56, 6406 (1991). See, however, Tetrahydrothiophene 1-oxide, A17502 and Potassium fluoride, 14130.

安全信息

GHS Symbol

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1250 mg/kg
TOXIC EFFECTS :
   Biochemical - Metabolism (Intermediary) - effect on inflammation or
   mediation of inflammation
REFERENCE :
   RPTOAN Russian Pharmacology and Toxicology (English Translation).
   Translation of FATOAO.  (Euromed Pub., 33, Woodlands Rd., Surbiton, Surrey,
   UK)  V.30-    1967-  Volume(issue)/page/year: 42,97,1979

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >3800 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   BJIMAG British Journal of Industrial Medicine.  (British Medical Journal,
   Box 560B, Kennebunkport, ME 04046)  V.1-    1944-  Volume(issue)/page/year:
   23,302,1966

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1540 uL/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   30,470,1969

TYPE OF TEST            : LD50 - Lethal dose, 50 percent

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1600 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TOXID9 Toxicologist.  (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway,
   Akron, OH 44311) V.1-    1981-  Volume(issue)/page/year: 4,22,1984

其他信息

• {
• 用途一:用于天然气净化脱硫，重整生成油的芳烃抽提，氢气中的二氧化碳、硫化氢及有机硫等杂质的脱除等
• 特性介绍:无色无味固体,在27-28℃时,熔化成无色透明液体.凝固点(99.8%浓度)26℃,沸点287℃,153-154℃(2.4kpa),相对密度1.261(30/4℃),折射率1.481.闪点(开杯)176.7℃,粘度10.34mpa·s(30℃).可与水,混合二甲苯、甲硫醇、乙硫醇混溶,也可溶于芳烃和醇类,对石蜡烃和烯烃溶解度很小.具有很好的化学和热稳定性，在酸、碱存在的一般条件下，不发生聚合或分解反应。
• 方法一:以丁二烯，二氧化硫为原料，在对苯二酚的甲醇溶剂存在下，于耐压反应器内加热（100-110℃）合成为环丁烯砜甲醇溶液，分馏后，精环丁烯砜在含镍催化剂存在下加氢转化为环丁砜，再经气液分离，分馏后得成品。原料消耗定额：丁二烯（＞99%）654kg/t、二氧化硫（＞97%）909kg/t、铝镍催化剂（Ni45-50%）71kg/t、液体氢氧化钠110kg/t。
• 常规方法:采用镀锌铁桶包装，常温或低温下贮存。按一般化学品规定贮运。
• 防护措施:本品毒性较低，一般动物经口LD50为0.73～9.4g/kg。当溅及皮肤时可用水冲洗。
• 用途二:用作气相色谱固定液及分析试剂，也用于有机合成
• Acros Organics:四甲撑砜(环丁砜) Tetramethylene sulfone, 99+%(126-33-0)
• 用途三:溶解力强、选择性好的极性溶剂，大部分有机化合物与聚合物能溶于环丁砜，或与它混溶。主要用作芳烃抽提的萃取剂，聚合物纺丝或浇膜溶剂，天然气及合成气、炼厂气的净化、合成气的净化脱硫，以及作为橡胶、塑料的溶济等。此外，还可用于纺织印染工业作为印染助剂，可使色彩鲜明、光亮。
• Sigma Aldrich:126-33-0(sigmaaldrich)
• 检测方法:GC
• 蒸气密度:4.2 (vs air)
• 下游产品:4-氟苯胺 --> 9,10-蒽二羧醛 --> 氟啶脲 --> 除虫脲 --> n,n-二甲基亚甲基碘化胺 --> 4-氟苯基甲磺酰氯 --> 3-氟苯基甲烷磺酰氯 --> 2,6-二氟苯腈 --> 高效脱硫剂 --> 2-氨基-4,6-二氟嘧啶 --> 4-氨基-2,6-二氟嘧啶 --> 1-萘磺酰氯 --> 头孢特仑新戊酯 --> 分散黄54
• 蒸气压:0.01 mm Hg ( 20 °C)
• 在27-28℃时，熔化成无色透明液体。可与水、混合二甲苯、甲硫醇、乙硫醇混溶，也可溶于芳烃和醇类，对石蜡烃和烯烃溶解度很小。具有很好的化学和热稳定性。低毒，半数致死量(大鼠，经口)1540mg/kg。
• TCI Shanghai:环丁砜 Tetrahydrothiophene 1,1-Dioxide,>;99.0%(GC)(126-33-0)
• 图谱信息:环丁砜(126-33-0)核磁图( 13 CNMR) 环丁砜(126-33-0)红外图谱(IR2) 环丁砜(126-33-0)红外图谱(IR1) 环丁砜(126-33-0)质谱(MS)
• Alfa Aesar:环丁砜(四氢噻酚砜),99% Sulfolane, 99%(126-33-0)
• {Chemicalboo
• 上游原料:二氧化硫 --> 1,4-苯二酚 --> 1,3-丁二
• MSDS 信息:环丁砜(126-33-0).msds
• 环丁砜价格(试剂级):更新日期 产品编号 产品名称 包装 价格 2011/08/23 30172327 噻吩烷砜(又名环丁砜) 250ml 62.4元 2011/08/23 xp400113 环丁砜 5ml 32元 2011/08/23 40057260 噻吩烷砜 100ml 87元
• 凝固点:26℃
• 存储注意事项:湿度敏感
• MOL 文件:126-33-0.mol
• 外观性质:无色液体。