等级
ACS reagent
质量水平
蒸汽密度
3.7 (vs air)
蒸汽压
18 mmHg ( 37.7 °C)
检测方案
≥98.5% xylenes + ethylbenzene basis
形式
liquid
组成
C6H5CH2CH3, ≤25%
expl. lim.
7 %
杂质
H2SO4, passes test
≤0.003% S compounds
≤0.05% water
蒸发残留物
≤0.002%
颜色
APHA: ≤10
折射率
n20/D 1.497 (lit.)
bp
137-140 °C (lit.)
mp
-34 °C
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
二甲苯是二甲苯的邻、间和对异构体的混合物，二甲苯是一种芳香烃，广泛用作各种化学反应的溶剂。
应用
二甲苯可作为溶剂用于：
- 在四膦/钯催化下，与位阻芳基卤化物和芳基硼酸进行Suzuki交叉偶联，合成三邻位取代联芳基加合物。
- 用于胺或氨与醇的 N-烷基化反应，以合成 N-烷基胺。
- 以不对称磷酸二胺和二酐为原料，采用溶液聚合法制备芳香族聚酰亚胺。
包装
以聚乙烯涂层瓶包装出售：产品编号247642-1L-CB、247642-4L-CB和247642-4X4L-CB
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 - STOT RE 2 Inhalation - STOT SE 3
靶器官
Central nervous system,Liver,Kidney, hearing organs, 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
Magdalena Pasarica et al.
Diabetes, 58(3), 718-725 (2008-12-17)
Based on rodent studies, we examined the hypothesis that increased adipose tissue (AT) mass in obesity without an adequate support of vascularization might lead to hypoxia, macrophage infiltration, and inflammation. Oxygen partial pressure (AT pO2) and AT temperature in abdominal
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)
Lian He et al.
Journal of environmental sciences (China), 23(1), 160-165 (2011-04-12)
The activities of CeO2 nanocubes calcined at different temperatures were tested for catalytic oxidation of o-xylene. Using CeO2 nanocubes as catalysts, complete catalytic oxidation of o-xylene was achieved below 210 degrees C. The CeO2 nanomaterials were characterized by means of
Jian M Chen et al.
Bioresource technology, 101(21), 8067-8073 (2010-06-26)
Microbes bound to a wheat bran/red wood powder/diatomaceous earth carrier were used as inoculants for a biotrickling filter (BTF) for treating gases contaminated with a mixture of benzene, toluene, and o-xylene (BTo-X). An overall removal efficiency of more than 87.9%
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