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4,5-二溴-2,7-二叔丁基-9,9-二甲基呫吨

4,5-二溴-2,7-二叔丁基-9,9-二甲基呫吨名称

[ CAS 号 ]:
130525-43-8

[ 中文名 ]:
4,5-二溴-2,7-二叔丁基-9,9-二甲基呫吨

[ 英文名 ]:
4,5-Dibromo-2,7-di-tert-butyl-9,9-dimethylxanthene

[中文别名 ]:

[英文别名 ]:

2,7-di-tert-butyl-4,5-dibromo-9,9-dimethylxanthene
4,5-dibromo-2,7-di-t-butyl-9,9-dimethylxanthene
2,7-di(t-butyl)-4,5-dibromo-9,9-dimethylxanthene
4,5-dibromo-2.7-di-tert-butyl-9,9-dimethylxanthene
MFCD00134486

4,5-二溴-2,7-二叔丁基-9,9-二甲基呫吨物理化学性质

[ 密度 ]:
1.329g/cm3

[ 沸点 ]:
429.7ºC at 760 mmHg

[ 熔点 ]:
260-262ºC(lit.)

[ 分子式 ]:
C₂₃H₂₈Br₂O

[ 分子量 ]:
480.27600

[ 闪点 ]:
178ºC

[ 精确质量 ]:
478.05100

[ PSA ]:
9.23000

[ LogP ]:
8.23820

[ 外观性状 ]:
固体

[ 蒸汽压 ]:
3.46E-07mmHg at 25°C

[ 折射率 ]:
1.56

[ 储存条件 ]:
室温

4,5-二溴-2,7-二叔丁基-9,9-二甲基呫吨安全信息

[ 个人防护装备 ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

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

[ WGK德国 ]:
3

[ 海关编码 ]:
2932999099

4,5-二溴-2,7-二叔丁基-9,9-二甲基呫吨上下游产品

4,5-二溴-2,7-二叔丁基-9,9-二甲基呫吨上游产品

4,5-二溴-2,7-二叔丁基-9,9-二甲基呫吨下游产品

4,5-二溴-2,7-二叔丁基-9,9-二甲基呫吨海关

[ 海关编码 ]: 2932999099

[ 中文概述 ]:
2932999099. 其他仅含氧杂原子的杂环化合物. 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 ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

4,5-二溴-2,7-二叔丁基-9,9-二甲基呫吨文献

Pi-dimer formation in an oligothiophene tweezer molecule.

Org. Lett. 10(21) , 5003-5, (2008)

An oligothiophene tweezer molecule, which has two quaterthiophene moieties connected to create an electrochemically activated hinge, has been synthesized. Two-electron oxidation of the tweezer molecul...

Synthesis, structure, and properties of aromatic ring-layered polymers containing ferrocene as a terminal unit. Morisaki Y, et al.

J. Inorg. Organomet. Polym. Mater. 19(1) , 104-112, (2009)

Extremely Stable Thorium (IV) Dialkyl Complexes Supported by Rigid Tridentate 4, 5-Bis (anilido) xanthene and 2, 6-Bis (anilidomethyl) pyridine Ligands. Cruz CA, et al.

Organometallics 26(3) , 692-701., (2007)

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