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2,5-二溴-3,4-乙烯基二氧噻吩

2,5-二溴-3,4-乙烯基二氧噻吩名称

[ CAS 号 ]:
174508-31-7

[ 中文名 ]:
2,5-二溴-3,4-乙烯基二氧噻吩

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

[中文别名 ]:

[英文别名 ]:

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

2,5-二溴-3,4-乙烯基二氧噻吩物理化学性质

[ 密度 ]:
2.1±0.1 g/cm3

[ 沸点 ]:
306.5±42.0 °C at 760 mmHg

[ 熔点 ]:
98ºC

[ 分子式 ]:
C₆H₄Br₂O₂S

[ 分子量 ]:
299.968

[ 闪点 ]:
139.2±27.9 °C

[ 精确质量 ]:
297.829865

[ PSA ]:
46.70000

[ LogP ]:
3.06

[ 外观性状 ]:
固体;White to Gray to Brown powder to crystal

[ 蒸汽压 ]:
0.0±0.6 mmHg at 25°C

[ 折射率 ]:
1.644

[ 储存条件 ]:
?20°C

2,5-二溴-3,4-乙烯基二氧噻吩MSDS

2,5-二溴-3,4-乙烯基二氧噻吩安全信息

[ 符号 ]:

GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H302

[ 危害码 (欧洲) ]:
Xn:Harmful

[ 风险声明 (欧洲) ]:
R20/21/22;R36/37/38

[ 安全声明 (欧洲) ]:
S22-S26-S36/37/39

[ 危险品运输编码 ]:
NONH for all modes of transport

[ 海关编码 ]:
2934999090

2,5-二溴-3,4-乙烯基二氧噻吩合成路线

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2,5-二溴-3,4-乙烯基二氧噻吩海关

[ 海关编码 ]: 2934999090

[ 中文概述 ]:
2934999090. 其他杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%

[ 申报要素 ]: 品名, 成分含量, 用途

[ Summary ]:
2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

2,5-二溴-3,4-乙烯基二氧噻吩文献

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...

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