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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 87708Generated: October 23, 2026

Diphenyl[2-(triethoxysilyl)ethyl]phosphine

DK192 · 2-(Diphenylphosphino)ethyltrie · (Diphenylphosphino)ethyltriethoxysilane · iphenyl(2-triethoxysilylethyl)phosphane · 2-(Triethoxysilyl)ethyldiphenylphosphine · 2-(DIPHENYLPHOSPINO)ETHYLTRIETHOXYSILANE · diphenyl(2-triethoxysilylethyl)phosphane · 2-(DiphenylphosphiNA)ethyltriethoxysilane

https://huagongshe.com/en/chemical/87708

Diphenyl[2-(triethoxysilyl)ethyl]phosphine molecular structure

Identifiers & Physical Properties

CAS No.18586-39-5
Molecular formulaC20H29O3PSi
Average molar mass376.5 g/mol
Monoisotopic mass376.16235795 g/mol
SMILESCCO[Si](CCP(c1ccccc1)c1ccccc1)(OCC)OCC
InChIKeyHLXCYTXLQJWQFG-UHFFFAOYSA-N
PubChem CID87708
EC No.242-427-7
DTXSIDDTXSID9066386

Chemical & Physical Properties

Topological polar surface area27.7
Hydrogen bond donors0
Hydrogen bond acceptors3
Rotatable bonds11
Heavy atoms25
Formal charge0
Complexity309
Melting point<0°C
Boiling point182 °C
Density1.05
Refractive index1.5384
Flash point134°C
Storage conditionsunder inert gas (nitrogen or Argon) at 2-8°C
Specific gravity1.05
Hydrolytic Sensitivity7: 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 Substance Registry SystemPhosphine, diphenyl[2-(triethoxysilyl)ethyl]- (18586-39-5)
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH302+H312+H332-H315-H319
GHS precautionary statementsP501-P261-P270-P271-P264-P280-P337+P313-P305+P351+P338-P362+P364-P332+P313-P301+P312+P330-P302+P352+P312-P304+P340+P312
Risk statements (R)20/21/22-36/37/38-22
Safety statements (S)23-26-36/37/39-37/39
TSCA inventory statusTSCA listed
Customs code29319090

Safety & Regulations

GHS classificationWarningH302 (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 inventory statusTSCA listed
Customs code29319090
Risk statements (R)20/21/22-36/37/38-22
Signal wordWarning
GHS pictogramGHS07
Safety statements (S)23-26-36/37/39-37/39
GHS hazard statementsH302+H312+H332-H315-H319
GHS precautionary statementsP501-P261-P270-P271-P264-P280-P337+P313-P305+P351+P338-P362+P364-P332+P313-P301+P312+P330-P302+P352+P312-P304+P340+P312

Applications & Uses

Uses

suzuki reaction