联苯膦 (CAS No.1198791-45-5)
- 中文别名
- (S)-2-(2'-(二苯基膦)-[1,1'-联苯]-2-基)-4-苯基-4,5-二氢噁唑；二苯基膦联苯噁唑啉
- 英文名称
- (S)-2-(2'-(Diphenylphosphanyl)-[1,1'-biphenyl]-2-yl)-4-phenyl-4,5-dihydrooxazole
- 分子式
- C33H26NOP
- 分子量
- 483.54
- 所属类别
- 有机无机原料
- 物化性质
- 白色至淡黄色结晶性粉末；密度约为1.22 g/cm³，闪点约为315°C；微溶于水，可溶于氯仿、二氯甲烷等有机溶剂；常温常压下稳定。
- 技术参数
- 纯度≥98%
- 熔点
- >180°C（分解）
- 储存条件
- 2-8°C避光密封干燥保存
English description（英文原文，共 1048 字符）
Product Name:(S)-2-(2'-(Diphenylphosphanyl)-[1,1'-biphenyl]-2-yl)-4-phenyl-4,5-dihydrooxazole
English Name:(S)-2-(2'-(Diphenylphosphanyl)-[1,1'-biphenyl]-2-yl)-4-phenyl-4,5-dihydrooxazole
CAS No.:1198791-45-5
Aliases:Biphenylphosphine, (S)-2-(2'-(diphenylphosphino)-[1,1'-biphenyl]-2-yl)-4-phenyl-4,5-dihydrooxazole
Molecular Formula:C33H26NOP
Physical Properties:White to pale yellow crystalline powder; density approx. 1.22 g/cm³, flash point approx. 315°C; slightly soluble in water, soluble in chloroform, dichloromethane and other organic solvents; stable at normal temperature and pressure.
Uses:Used as a chiral ligand in transition metal-catalyzed asymmetric synthesis, especially in palladium-catalyzed asymmetric hydrogenation and allylic substitution reactions; also used for the preparation of chiral catalysts.
Technical Specifications:
Purity ≥98%
Melting point: >180°C (decomp.)
Specific rotation: [α]D20 = -120° (c=1, CHCl3)
Molecular weight: 483.54
Storage conditions: keep sealed, dry and protected from light at 2–8°C
English Name:(S)-2-(2'-(Diphenylphosphanyl)-[1,1'-biphenyl]-2-yl)-4-phenyl-4,5-dihydrooxazole
CAS No.:1198791-45-5
Aliases:Biphenylphosphine, (S)-2-(2'-(diphenylphosphino)-[1,1'-biphenyl]-2-yl)-4-phenyl-4,5-dihydrooxazole
Molecular Formula:C33H26NOP
Physical Properties:White to pale yellow crystalline powder; density approx. 1.22 g/cm³, flash point approx. 315°C; slightly soluble in water, soluble in chloroform, dichloromethane and other organic solvents; stable at normal temperature and pressure.
Uses:Used as a chiral ligand in transition metal-catalyzed asymmetric synthesis, especially in palladium-catalyzed asymmetric hydrogenation and allylic substitution reactions; also used for the preparation of chiral catalysts.
Technical Specifications:
Purity ≥98%
Melting point: >180°C (decomp.)
Specific rotation: [α]D20 = -120° (c=1, CHCl3)
Molecular weight: 483.54
Storage conditions: keep sealed, dry and protected from light at 2–8°C
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常见问题
- 联苯膦的 CAS 号是多少？
- 联苯膦的 CAS 号是 1198791-45-5。
- 联苯膦的分子式和分子量是什么？
- 联苯膦的分子式为 C33H26NOP，分子量约 483.54。
- 联苯膦的英文名称是什么？
- 联苯膦的英文名称为 (S)-2-(2'-(Diphenylphosphanyl)-[1,1'-biphenyl]-2-yl)-4-phenyl-4,5-dihydrooxazole。
- 联苯膦还有哪些别名？
- 联苯膦又称 (S)-2-(2'-(二苯基膦)-[1,1'-联苯]-2-基)-4-苯基-4,5-二氢噁唑、二苯基膦联苯噁唑啉。
- 联苯膦有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条联苯膦供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 联苯膦的供应商主要分布在哪些地区？
- 联苯膦的供应商主要分布在 上海市（1 条） 等地。
- 联苯膦有哪些级别可选？
- 平台上联苯膦的供应级别包括 工业级。
- 联苯膦的报价单位是什么？
- 联苯膦的报价单位主要有 千克。
- 哪里可以查到联苯膦的价格？
- 掌上化工联苯膦产品页汇总了各供应商的最新报价与规格，地址：/chemicals/1198791-45-5/。部分供应商价格为电议，可通过页面上的询价功能直接获取。
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