等级
anhydrous
质量水平
蒸汽密度
3.7 (vs air)
蒸汽压
9 mmHg ( 20 °C)
检测方案
≥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字符串
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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一般描述
对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。
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 SE 3
靶器官
Respiratory system
WGK
WGK 2
闪点(°F)
closed cup
闪点(°C)
closed cup
个人防护装备
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
法规信息
危险化学品
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
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)
Ultra-selective cycloaddition of dimethylfuran for renewable p-xylene with H-BEA.
Chang CC, et al.
Green Chemistry, 16(2), 585-588 (2014)
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