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5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine

Names

[ CAS No. ]:
174508-31-7

[ Name ]:
5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine

[Synonym ]:
Thieno[3,4-b]-1,4-dioxin, 5,7-dibromo-2,3-dihydro-
5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxin
5,7-Dibromo-2,3-dihydrothieno[3,4-b]-1,4-dioxine
5,7-Dibromo-2,3-dihydrothieno[3,4-b][1,4]dioxine
2,5-Dibromo-3,4-ethylenedioxythiophene

Chemical & Physical Properties

[ Density]:
2.1±0.1 g/cm3

[ Boiling Point ]:
306.5±42.0 °C at 760 mmHg

[ Melting Point ]:
98ºC

[ Molecular Formula ]:
C6H4Br2O2S

[ Molecular Weight ]:
299.968

[ Flash Point ]:
139.2±27.9 °C

[ Exact Mass ]:
297.829865

[ PSA ]:
46.70000

[ LogP ]:
3.06

[ Vapour Pressure ]:
0.0±0.6 mmHg at 25°C

[ Index of Refraction ]:
1.644

[ Storage condition ]:
?20°C

MSDS

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H302

[ Hazard Codes ]:
Xn:Harmful

[ Risk Phrases ]:
R20/21/22;R36/37/38

[ Safety Phrases ]:
S22-S26-S36/37/39

[ RIDADR ]:
NONH for all modes of transport

[ HS Code ]:
2934999090

Synthetic Route

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%

Articles

Synthesis and characterization of thiophene functionalized polystyrene copolymers and their electrochemical properties Sahin, E., Camurlu, P., Toppare, L., Mercore, V. M., Cianga, I., & Yagci, Y.

Polym. Int. 54(12) , 1599-1605, (2005)

Solid-state synthesis of a conducting polythiophene via an unprecedented heterocyclic coupling reaction.

J. Am. Chem. Soc. 125(49) , 15151-15162, (2003)

Prolonged storage ( approximately 2 years) or gentle heating (50-80 degrees C) of crystalline 2,5-dibromo-3,4-ethylenedioxythiophene (DBEDOT) affords a highly conducting, bromine-doped poly(3,4-ethyle...


More Articles


Related Compounds

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