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Merck

247642

Sigma-Aldrich

二甲苯

ACS reagent, ≥98.5% xylenes + ethylbenzene basis

别名:

二甲苯异构体混合物

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About This Item

线性分子式:
C6H4(CH3)2
CAS号:
分子量:
106.17
MDL號碼:
分類程式碼代碼:
12352002
PubChem物質ID:
NACRES:
NA.21

等級

ACS reagent

品質等級

蒸汽密度

3.7 (vs air)

蒸汽壓力

18 mmHg ( 37.7 °C)

化驗

≥98.5% xylenes + ethylbenzene basis

形狀

liquid

成份

C6H5CH2CH3, ≤25%

expl. lim.

7 %

雜質

H2SO4, passes test
≤0.003% S compounds
≤0.05% water

蒸發殘留物

≤0.002%

顏色

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 密鑰

MVZVDAGWAAZJPE-UHFFFAOYSA-N

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一般說明

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。

應用

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。

包裝

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

訊號詞

Danger

危險分類

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

標靶器官

Central nervous system,Liver,Kidney, hearing organs, Respiratory system

儲存類別代碼

3 - Flammable liquids

水污染物質分類(WGK)

WGK 2

閃點(°F)

77.0 °F - closed cup

閃點(°C)

25 °C - closed cup


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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
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)
Cheng-Xiong Yang et al.
Analytical chemistry, 83(18), 7144-7150 (2011-08-04)
The diverse structures and pore topologies, accessible cages and tunnels, and high surface areas make metal-organic frameworks attractive as novel media in separation sciences. Here we report the slurry-packed MIL-101(Cr) column for high-performance liquid chromatographic separation of substituted aromatics. The
Jennifer V Littlejohns et al.
Journal of hazardous materials, 175(1-3), 872-882 (2009-12-05)
A dynamic mathematical model has been developed to predict the performance of a stirred tank, solid-liquid two-phase partitioning bioreactor (SL-TPPB) for the treatment of benzene, toluene, ethylbenzene and o-xylene (BTEX) contaminated gases. The SL-TPPB system consists of an aqueous phase

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