2-(2,3-DIHYDROTHIENO[3,4-B][1,4]DIOXIN-5-YL)-4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLANE
Names
[ CAS No. ]:
250726-93-3
[ Name ]:
2-(2,3-DIHYDROTHIENO[3,4-B][1,4]DIOXIN-5-YL)-4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLANE
[Synonym ]:
2-(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
2-(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxoborolane
2-(2,3-dihydrothieno[3,4-b][1,4]dioxin-5-yl)-4,4,5,5-tetramethyl-2-thiophen-2-yl-1,3,2-dioxaborolane
5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-2,3-dihydrothieno-[3,4-b][1,4]dioxin
3,4-ethylenedioxythiophene 4,4',5,5'-tetramethyl-1,3,2-dioxaboronic ester
5-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-2,3-dihydrothieno[3,4-b][1,4]dioxine
Chemical & Physical Properties
[ Density]:
1.21g/cm3
[ Boiling Point ]:
372.9ºC at 760mmHg
[ Melting Point ]:
93ºC
[ Molecular Formula ]:
C12H17BO4S
[ Molecular Weight ]:
268.13700
[ Flash Point ]:
179.3ºC
[ Exact Mass ]:
268.09400
[ PSA ]:
65.16000
[ LogP ]:
1.81850
[ Vapour Pressure ]:
2E-05mmHg at 25°C
[ Index of Refraction ]:
1.53
[ Storage condition ]:
2-8°C
Safety Information
[ Hazard Codes ]:
Xi: Irritant;
[ HS Code ]:
2934999090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2934999090
[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%