138924
环辛四烯
98%
别名:
[8]轮烯
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关于此项目
经验公式（希尔记法）:
C8H8
化学文摘社编号:
分子量:
104.15
UNSPSC Code:
12352103
NACRES:
NA.23
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
2496800
产品名称
环辛四烯, 98%
InChI
1S/C8H8/c1-2-4-6-8-7-5-3-1/h1-8H/b2-1-,3-1-,4-2-,5-3-,6-4-,7-5-,8-6-,8-7-
SMILES string
C1=CC=CC=CC=C1
InChI key
KDUIUFJBNGTBMD-BONZMOEMSA-N
assay
98%
form
liquid
contains
0.1% hydroquinone as inhibitor
refractive index
n20/D 1.537 (lit.)
bp
142-143 °C (lit.)
mp
−5-−3 °C (lit.)
density
0.925 g/mL at 25 °C (lit.)
storage temp.
−20°C
Quality Level
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Application
- 用于合成硅表面的高有机薄膜，以改善其化学和物理性能。
- 用于液态有机染料激光器。
- 用作三重态猝灭剂以减少染料闪烁。
COT可以通过两个侧链基团进行功能化修饰，可用作可充电电池的活性负极材料。将COT与碳分子融合起来可以开发出具有高容量和电压的有机正极。
General description
环辛四烯 (COT) 是一种非芳香 4n π共轭体系，基态下具有非平面的桶形结构和势能面。
环辛四烯是一个 8p 电子系统，如果 p 电子离域，则具有三重态基态。它是反芳香的，因此非常不稳定，且具有高反应性。它采用非平面船形结构，通过交替的单键和双键获得稳定性，因此其性能与聚烯烃类似。
signalword
Danger
Hazard Classifications
Aquatic Chronic 3 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
3 - Flammable liquids
wgk
WGK 3
flash_point_f
71.6 °F - closed cup
flash_point_c
22 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
法规信息
危险化学品
此项目有
Sarah Schols et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 10(7), 1071-1076 (2009-04-18)
Phosphorescence and delayed fluorescence of polyfluorene polymer films doped with cyclooctatetraene (COT) and anthracene are studied by means of time-resolved photoluminescence (PL) measurements. The occurrence of an anomalous nonvertical triplet energy transfer in solid conjugated polymer films is demonstrated for
Superposed Redox Chemistry of Fused Carbon Rings in Cyclooctatetraene-Based Organic Molecules for High-Voltage and High-Capacity Cathodes.
Zhao X, et al.
ACS Applied Materials & Interfaces, 10(3), 2496-2503 (2018)
About the Antiaromaticity of Planar Cyclooctatetraene I thank Jens Panitzky for the additional DFT calculations, and Professor Jay Siegel, La Jolla, CA, and Professor Otto Ermer, Cologne, for helpful comments.
Frank-Gerrit Klärner
Angewandte Chemie (International ed. in English), 40(21), 3977-3981 (2002-10-31)
Aromaticity and antiaromaticity in the low-lying electronic states of cyclooctatetraene.
Karadakov PB.
The Journal of Physical Chemistry A, 112(49), 12707-12713 (2008)
Lauryn E Sass et al.
Biochemistry, 49(14), 3174-3190 (2010-02-26)
The first step in DNA mismatch repair (MMR) is the recognition of DNA mismatches or nucleotide insertions/deletions (IDLs) by MutS and MutS homologues. To investigate the conformational properties of MutS-mismatch complexes, we used single-molecule fluorescence resonance energy transfer (smFRET) to
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