等级
reagent grade
质量水平
蒸汽密度
3.7 (vs air)
蒸汽压
18 mmHg ( 37.7 °C)
检测方案
≥75.0% (xylenes isomers)
形式
liquid
自燃温度
867 °F
expl. lim.
7 %
杂质
≤25% ethylbenzene
折射率
n20/D 1.497 (lit.)
bp
137-140 °C (lit.)
mp
-34 °C (lit.)
密度
0.86 g/mL at 25 °C (lit.)
SMILES字符串
Cc1ccc(C)cc1.Cc2cccc(C)c2.Cc3ccccc3C
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
InChI key
MVZVDAGWAAZJPE-UHFFFAOYSA-N
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一般描述
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。
应用
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。
警示用语：
Danger
危险分类
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
靶器官
Central nervous system,Liver,Kidney, Respiratory system
WGK
WGK 2
闪点(°F)
77.0 °F
闪点(°C)
25 °C
法规信息
危险化学品
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)
Transport and isomerization of xylenes over HZSM-5 zeolites.
Mirth G, et al.
J. Catal., 139(1), 24-33 (1993)
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
Chani M Becker et al.
Neuro-oncology, 17(9), 1210-1219 (2015-05-15)
Targeting drug delivery to invasive glioma cells is a particularly difficult challenge because these cells lie behind an intact blood-brain barrier (BBB) that can be observed using multimodality imaging. BBB-associated efflux transporters such as P-glycoprotein (P-gp) and breast cancer resistance
Loic Auderset et al.
Frontiers in cell and developmental biology, 8, 564351-564351 (2020-12-08)
Low-density lipoprotein receptor-related protein 1 (LRP1) is a large, endocytic cell surface receptor that is highly expressed by oligodendrocyte progenitor cells (OPCs) and LRP1 expression is rapidly downregulated as OPCs differentiate into oligodendrocytes (OLs). We report that the conditional deletion
Chromatograms
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