Diphenyl[bis(phenylethynyl)]silane

Modify Date: 2025-08-25 10:09:58

Diphenyl[bis(phenylethynyl)]silane Structure
Diphenyl[bis(phenylethynyl)]silane structure
Common Name Diphenyl[bis(phenylethynyl)]silane
CAS Number 18784-61-7 Molecular Weight 384.544
Density 1.1±0.1 g/cm3 Boiling Point 505.2±23.0 °C at 760 mmHg
Molecular Formula C28H20Si Melting Point 81 °C
MSDS N/A Flash Point 246.6±15.6 °C

 Names

Name diphenyl-bis(2-phenylethynyl)silane
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 505.2±23.0 °C at 760 mmHg
Melting Point 81 °C
Molecular Formula C28H20Si
Molecular Weight 384.544
Flash Point 246.6±15.6 °C
Exact Mass 384.133423
LogP 11.24
Vapour Pressure 0.0±1.2 mmHg at 25°C
Index of Refraction 1.660

 Safety Information

HS Code 2931900090

 Customs

HS Code 2931900090
Summary 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

 Synonyms

Benzene, 1,1'-[bis(2-phenylethynyl)silylene]bis-
bis(phenylethynyl)diphenylsilane
QC-1551
diphenylbis(phenylethynyl)silane
diphenylbis(phenylethinyl)silane
Silane,diphenylbis(phenylethynyl)
bis(phenylethynylene)diphenylsilane
Diphenyl[bis(phenylethynyl)]silane
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