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HCID 87708生成日期：2026年10月23日

2-（二苯基羟亚膦基）乙基三乙氧基硅烷

2-(二苯基膦)乙基三乙氧基硅烷 · 2-(二苯基膦基)乙基三乙氧基硅烷 · 2-（二苯基羟亚膦基）乙基三乙氧基硅烷 · 2-(二苯基羟亚膦基)乙基三乙氧基硅烷 5G · DK192 · 2-(Diphenylphosphino)ethyltrie · (Diphenylphosphino)ethyltriethoxysilane · iphenyl(2-triethoxysilylethyl)phosphane

https://huagongshe.com/zh-CN/chemical/87708

2-（二苯基羟亚膦基）乙基三乙氧基硅烷 分子结构式

标识与物理属性

CAS No.18586-39-5
分子式C20H29O3PSi
平均分子量376.5 g/mol
单同位素质量376.16235795 g/mol
SMILESCCO[Si](CCP(c1ccccc1)c1ccccc1)(OCC)OCC
InChIKeyHLXCYTXLQJWQFG-UHFFFAOYSA-N
PubChem CID87708
EC No.242-427-7
DTXSIDDTXSID9066386
中文名2-（二苯基羟亚膦基）乙基三乙氧基硅烷

化学与物理性质

极性表面积27.7
氢键供体0
氢键受体3
可旋转键11
重原子25
形式电荷0
复杂度309
熔点<0°C
沸点182 °C
密度1.05
折射率1.5384
闪点134°C
储存条件under inert gas (nitrogen or Argon) at 2-8°C
比重1.05
水解敏感性7: reacts slowly with moisture/water
InChIInChI=1S/C20H29O3PSi/c1-4-21-25(22-5-2,23-6-3)18-17-24(19-13-9-7-10-14-19)20-15-11-8-12-16-20/h7-16H,4-6,17-18H2,1-3H3
InChIKeyHLXCYTXLQJWQFG-UHFFFAOYSA-N
SMILESP(C1=CC=CC=C1)(C1=CC=CC=C1)CC[Si](OCC)(OCC)OCC
EPA化学物质信息Phosphine, diphenyl[2-(triethoxysilyl)ethyl]- (18586-39-5)

安全与法规

GHS 分类WarningH302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 3 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesAcute Tox. 4 (100%)
TSCA 清单状态TSCA listed
安全说明（S）23-26-36/37/39-37/39
海关编码29319090
危险类别码（R）20/21/22-36/37/38-22