产品名称

环丁砜

CAS NO

126-33-0

中文别名

四氢噻吩砜;环丁砜(四氢噻酚砜)

英文名称

Thiophene,tetrahydro-, 1,1-dioxide

英文别名

1,1-Dioxothiolan;Bondelane A; Bondolane A; Cyclic tetramethylene sulfone; Cyclotetramethylenesulfone; NSC 46443; Sulfolan; Sulfolane; Sulpholane; Tetrahydrothiophene1,1-dioxide; Tetrahydrothiophene S,S-dioxide; Tetrahydrothiophene dioxide;Tetramethylene sulfone; Thiacyclopentane dioxide; Thiolane 1,1-dioxide;Thiophane 1,1-dioxide; Thiophane dioxide

分子式

C₄H₈O₂S

分子量

120.17

EINECS

204-783-1

熔点

27.4 °C

沸点

285 °C

毒性

皮肤/眼睛刺激数据 兔子眼睛接触：253mg轻度反应急性毒性数据大鼠经口LD50：1540 uL/kg大鼠吸入LC：>250 mg/m3/8H大鼠皮肤LD50：>3800 mg/kg大鼠腹腔LD50：1600 mg/kg大鼠皮下LD50：1620 uL/kg小鼠经口LD50：1900 mg/kg小鼠腹腔LD50：1250 mg/kg小鼠静脉LD50：1080 mg/kg兔子皮肤LD50：3180 uL/kg其它多剂量数据大鼠经口TDLo：6750 mg/kg/2W-I狗经口TDLo：6350 mg/kg/23W-I灵长类动物-猴子吸入TCLo：495 mg/m3/8H/27D-I啮齿动物-豚鼠吸入TCLo：200 mg/m3/23H/90D-C

Sulfolane Identification: Chemical Name: Sulfolane Synonyms: Tetramethylene sulfone; Tetrahydrothiophene dioxide CAS No.: 126-33-0 Structural Formula: Molecular Formula: C4H8O2S Properties: Sulfolane is a colorless and tasteless soild at room temperature with M.P. 27.4-27.8°C. Sulfolane has high solubility property and selectivity.Sulfolane is solubled in water with arbitrary ratio,also solubled in aromatics and alcohol easily. Specifications: Items Standards Appearance colorless to light yellow transparent liquid Purity(dry base) % ≥99.5 Moisture % (m/m) ≤3.0 Ash %m/m ≤0.1 Density(30°C)g/ml 1.26-1.27 5% distillation temperature °C ≥282 10% distillation temperature °C ≤288 Heat stability mgSO2/kg ≤20 Sulfur content % (m/m) 26.0-27.0 2-cyclobutene sulfone aether% (m/m) ≤0.2 Isopropyl butylene sulfone aether% (m/m) ≤0.2 Application: It is widely used as excellent solvent for aromatic extraction and removing sulphur from natural gas. Sulfolane is a multi-effective solvent with high purity and high boiling point, so it is suitable for chemical industry .This solvent can be used for the halogenate,methylization,organic synthesis,condensation and polymerization reaction in the field of pharmaceutical chemicals,agricltural chemicals,dyestuff,perfume,special industrial plastic and some other chemicals. Packing& tranportaion: 250KG/drum(200L new galvanized drum with nitrogen blanket) or ISO TANK. Transported as common commodity.