214736
二甲苯
reagent grade
别名:
二甲苯异构体混合物
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关于此项目
线性分子式:
C6H4(CH3)2
化学文摘社编号:
分子量:
106.17
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352002
EC Number:
215-535-7
MDL number:
Grade:
reagent grade
Assay:
≥75.0% (xylenes isomers)
Bp:
137-140 °C (lit.)
Vapor pressure:
18 mmHg ( 37.7 °C)
产品名称
二甲苯, reagent grade
InChI key
MVZVDAGWAAZJPE-UHFFFAOYSA-N
InChI
1S/3C8H10/c1-7-3-5-8(2)6-4-7;1-7-4-3-5-8(2)6-7;1-7-5-3-4-6-8(7)2/h3*3-6H,1-2H3
SMILES string
Cc1ccc(C)cc1.Cc2cccc(C)c2.Cc3ccccc3C
grade
reagent grade
vapor density
3.7 (vs air)
vapor pressure
18 mmHg ( 37.7 °C)
assay
≥75.0% (xylenes isomers)
form
liquid
autoignition temp.
867 °F
expl. lim.
7 %
dilution
(for analytical testing)
impurities
≤25% ethylbenzene
refractive index
n20/D 1.497 (lit.)
bp
137-140 °C (lit.)
mp
-34 °C (lit.)
density
0.86 g/mL at 25 °C (lit.)
Quality Level
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Application
混合二甲苯可以用于氯霉素乙酞转移酶（CAT）分析，评估CAT基因表达。
General description
混合二甲苯是同分异构体二甲苯的混合物，包括邻位，间位和对位二甲苯。它的分散发射和质谱飞行时间已经被报道了。在100cm-1范围内，发现了S1 ↔ 向S0状态转化，并且这种转化因为环状甲基基团内部旋转而增加。使用时间分辨原位FTIR光谱和气相色谱分析，研究它的扩散系数，吸收率和HSZM-5表面的异构化效果。
signalword
Danger
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Asp. Tox. 1 - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT RE 2 Inhalation - STOT SE 3
target_organs
Central nervous system,Liver,Kidney, Respiratory system
存储类别
3 - Flammable liquids
wgk
WGK 2
flash_point_f
77.0 °F - closed cup
flash_point_c
25 °C - closed cup
法规信息
危险化学品
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K J Li et al.
Proceedings of the National Academy of Sciences of the United States of America, 95(7), 3650-3654 (1998-05-09)
Efficient and controllable expression of a transgene usually requires the presence of intron sequences and much efforts have been made to produce retrovirus vectors that can transduce and integrate genes with introns. However, this has proven difficult because the viral
Transport and isomerization of xylenes over HZSM-5 zeolites.
Mirth G, et al.
J. Catal., 139(1), 24-33 (1993)
A study of nonrigid aromatic molecules by supersonic molecular jet spectroscopy. I. Toluene and the xylenes.
Breen PJ, et al.
J. Chem. Phys. , 87(4), 1917-1926 (1987)
Anne-France le Rolle et al.
Journal of translational medicine, 13, 199-199 (2015-06-25)
Clinical therapy for metastatic colorectal cancer (CRC) remains limited, especially when the tumor harbors a KRAS mutation. This study aimed to identify prognostic biomarkers in CRC that are accessible for therapeutic inhibition. Conditioned media from human CRC epithelial cells and
Ryan P Smith et al.
Human gene therapy, 26(6), 377-385 (2015-03-27)
Much research has gone into the development of hybrid gene delivery systems that combine the broad tropism and efficient transduction of adenoviral vectors with the ability to achieve stable expression of cargo genes. In addition to gene therapy applications, such
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