Overview
4,4'-Dichlorodiphenyl sulfone (DCDPS) is an organosulfur compound serving as a critical monomer in high-performance polymer synthesis. First commercialized in the 1960s, this aromatic sulfone derivative has become indispensable for producing engineering thermoplastics with exceptional thermal and mechanical properties. The chemical's symmetrical structure – featuring two chlorinated phenyl groups bonded to a sulfone moiety – enables it to form the backbone of polysulfone resins. These polymers find extensive use in aerospace, medical, and filtration applications where materials must withstand extreme conditions.
Physical and Chemical Properties
DCDPS presents as a stable crystalline solid with a characteristic faint odor. Its high melting point (148-151°C) reflects the compound's thermal stability, which transfers to the polymers derived from it. The sulfone group's strong electron-withdrawing nature contributes to the material's resistance to hydrolysis and chemical degradation. Notably, the compound demonstrates limited solubility in water (<0.1 g/L at 20°C) but dissolves readily in polar aprotic solvents like dimethylformamide (DMF) and acetone. This solubility profile makes it suitable for solution polymerization processes. The material's flame retardant properties stem from its chlorine content and inherent char-forming characteristics during combustion.
Main Applications
Approximately 85% of global DCDPS production feeds into polysulfone polymer manufacturing. These high-temperature thermoplastics are extruded into membranes for water purification, molded into surgical instrument components, and used as dielectric materials in electronics. The aerospace industry values polysulfones for cabin interior parts requiring flame resistance. Secondary applications include use as a reactive flame retardant in epoxy resins and as an intermediate for pharmaceuticals. Emerging uses involve modifications to create sulfonated polymers for proton exchange membranes in fuel cells. The compound's chlorine atoms provide convenient sites for further functionalization in specialty chemical synthesis.
Safety and Storage
DCDPS requires careful handling as powdered material may cause respiratory irritation. Facilities should employ local exhaust ventilation and operators must wear NIOSH-approved dust masks, chemical goggles, and protective gloves. The compound shows low acute toxicity (LD50 oral rat >2000 mg/kg) but may cause eye damage upon direct contact. For storage, maintain containers in well-ventilated areas away from strong oxidizers. Recommended storage temperature is below 30°C with relative humidity under 65%. Bulk quantities typically ship in 25 kg multilayer paper bags with polyethylene liners or 500 kg super sacks. Shelf life under proper conditions exceeds 24 months.
B2B Procurement Guide
Industrial buyers should prioritize suppliers with dedicated polymerization-grade production lines, as residual impurities can significantly impact polymer quality. Request certificates of analysis specifying purity (typically 99.0-99.9%), chloride content (<100 ppm), and melting point range. Consider logistics carefully – while DCDPS isn't classified as dangerous goods, some carriers require special documentation for sulfone compounds. For international shipments, verify compliance with REACH, TSCA, and other regional regulations. Many manufacturers offer just-in-time delivery programs to minimize customer inventory costs given the material's excellent shelf stability.
Related Manufacturers
- 主营：杜仲素、对位酯、丙烯酸酯、二氧化硫脲、乙基麦芽酚、饲料添加剂、油酸基硬脂酸、二苯基硅二醇
- 主营：2-十一酮、乙酸龙脑酯、聚苯乙烯磺酸钠、乙基黄原酸钾
- 主营：二羟基吲哚啉氢溴酸、水解角蛋白、石胆酸钠盐、6-二羟基吲哚、7-去氢胆固醇、2-辛基十二醇、2-巯基噻唑啉、2-巯基苯并咪唑、苯基周位酸(8-苯胺、L-丙交酯、1-氨基环丙烷羧酸、4-联苯甲醇丙烯酸酯、4-羟乙烯基氧基二苯、D(+)-丙交酯、熊去氧胆酸钠盐、半叶素、乙烯利、环丙磺酰胺、苄氧基胺盐酸盐、咪鲜胺、可比落、乙交酯
- 主营：硫酰胺、抗氧剂、氟苯基、2-戊酮酸、l-脯氨酰胺、l-苯基乳酸、l-氨基丙醇、d-苯基乳酸、2-甲基丁酸、2-甲基丁酯、3-氨基丙醇、2-氰基嘧啶、中间体、溴咪唑并、焦谷氨醇、异丁酰胺、利伐沙班、对氰基苯酚、邻氟苯甲酸、邻溴苯乙酸、间溴苯甲酸、丁位癸内酯
- 主营：CAS101、农药原药、农药/医药中间体、添加剂
- 主营：亚索化学试剂、化学试剂、生物试剂、检测试剂、化学色谱纯试剂、光谱纯试剂、分析纯AR试剂、优级纯GR试剂、基准试剂、高纯电子级试剂、标准化学试剂、滴定分析试剂、实验室试剂、通用试剂
- 主营：吩嗪、肌氨酸钠、偶氮二异丁脒盐酸盐、1-苯基-5-巯基四氮唑、V50、H酸、DDS、甲基磺酸铋、二恶唑啉、柠檬酸铋、赛克、双氟代碳酸乙烯酯
- 主营：阻聚剂、辛二醇、四甲基、3-二羟基萘、催化剂、十油酸酯、有机合成、硅化合物、光引发剂、十二酸己酯、月桂酸己酯、生物缓冲剂、表面活性剂、硫代卡巴肼、氨基甲酰甲基
- 主营：粘结剂、阻燃剂、絮凝剂、3584-23-4、l-丙交酯、引发剂、哌啶基、封端剂、乙交酯、抗菌剂、交联剂、肌肽锌、增亮剂、干燥剂、润滑剂、护发剂、粘合剂、对位酯、阻聚剂、稀释剂、羟乙基、偶联剂、分散剂、中间体、丙烯酸锌
- 主营：乙醛酸、铁甲酸、二甲基、3-氯丙炔、3-氯水扬酸、2-羟基喹喔啉、2-苯并唑啉酮、3-环戊二羧酸、6-二氯异烟酸、2-氨基-5-氯苯酚、羟乙基、草酰胺、邻苯二甲、苯甲酰胺、溴氯海因、磷酸三甲酯、对羟基苯海因
- 主营：凉味剂、除氧剂、防老剂、101、柔顺剂、抗氧剂、保湿剂、珠光片、丙二酸钠、丙烯酸锌、氟甲基苯、异辛酸锌、十二烷基、2四油酸酯、优级福美钠、农药中间体、彩色显影剂、氢化蓖麻油、高效阻聚剂、固化促进剂、甲基乙二醇、优级有机硅、缓蚀阻垢剂、复合型乳液、氧基铝酸酯、三氟甲氧基
- 主营：5-溴-7-氮杂吲哚、柠檬酸钠、液体溴化钙
- 主营：肌氨酸钠、硫化锰、V50偶氮二异丁脒盐酸盐、PX-4MP、腰果酚缩水甘油醚、乙硫氮、二新癸酸二甲基锡、三硫代碳酸钠、芥酸PKO、四氧化三锰
- 主营：萃取剂、选矿药剂、金矿硫化矿
- 主营：4'-二苯醚二甲、3-二羟基萘、环己烷-1、4-二异、N-羟乙基-N-甲基、5-降冰片二烯、有机合成中间体、化学助剂、水溶性酚醛树脂