所有图片(3)

296333

Sigma-Aldrich

对二甲苯

anhydrous, ≥99%

别名:
1,4-二甲苯
线性分子式:
C6H4(CH3)2
CAS号:
分子量:
106.17
Beilstein:
1901563
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.21

质量水平

100

等级

anhydrous

蒸汽密度

3.7 (vs air)

蒸汽压

9 mmHg ( 20 °C)

测定

≥99%

形式

liquid

自燃温度

984 °F

expl. lim.

7 %

杂质

<0.002% water
<0.005% water (100 mL pkg)

蒸发残留物

<0.0003%

折射率

n20/D 1.495 (lit.)

bp

138 °C (lit.)

mp

12-13 °C (lit.)

溶解性

water: soluble 0.2 g/L

密度

0.861 g/mL at 20 °C (lit.)

SMILES string

Cc1ccc(C)cc1

InChI

1S/C8H10/c1-7-3-5-8(2)6-4-7/h3-6H,1-2H3

InChI key

URLKBWYHVLBVBO-UHFFFAOYSA-N

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相关类别

一般描述

二甲苯是主要在聚酯工业用作5,6-对苯二甲酸合成原料的二甲苯异构体。

应用

在无水氯化锡存在下,对二甲苯可与酮基丙二酸二乙酯反应合成2,5-二甲基苯基羟基丙二酸乙酯。

包装

1, 2 L in Sure/Seal™
100 mL in Sure/Seal™

警示用语:

Danger

危险分类

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Asp. Tox. 1 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

靶器官

Respiratory system

储存分类代码

3 - Flammable liquids

WGK

WGK 2

闪点(F)

80.6 °F - closed cup

闪点(C)

27 °C - closed cup

个人防护装备

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

分析证书

原产地证书 (CofO)

2,5-dimethylmandelic acid
Riebsomer JL and Irvine J
Organic Syntheses, 25, 33-33 (1945)
Joshua B Marlow et al.
Physical chemistry chemical physics : PCCP, 20(24), 16592-16603 (2018-06-07)
Lamellar liquid crystals comprising oil, water and surfactant(s) were formulated and analysed in order to examine how these materials responded to the inclusion of inorganic nanoparticles, in terms of their structural and rheological characteristics. Lamellar phases were formed from mixtures
Ultra-selective cycloaddition of dimethylfuran for renewable p-xylene with H-BEA.
Chang CC, et al.
Green Chemistry, 16(2), 585-588 (2014)
Friedel-Crafts acylation of toluene and p-xylene with carboxylic acids catalyzed by zeolites.
Chiche B, et al.
The Journal of Organic Chemistry, 51(11), 2128-2130 (1986)
Cycloaddition of biomass-derived furans for catalytic production of renewable p-xylene.
Williams CL, et al.
ACS Catalysis, 2(6), 935-939 (2012)

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