No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.

溶于丙酮、苯、甲苯、碳、氯乙烷，微溶于乙醇和乙醚，不易溶于水和汽油。

The synthetic medium of optical N acylalanines was N (2,6 xylyl) alanine.It was reacted with 1 menthol and prepared into its menthol esters which were purified by TLC, resolved and determined by HPLC.

光学活性杀菌剂的合成中间体N-（2，6-甲苯基）-丙氨酸与l-薄荷醇在催剂作用下，生成非映异构体的薄荷醇酯。

Firstly, p-methylacetophenone was obtained in the presence of alchlor as the catalyst, and the optimum condition was 4:1:2 in molar ratio for toluene, acetic anhydride and alchlor with yield of 86.2%.

首先，以甲苯和乙酸酐为原料，在催剂三氯铝存在下合成甲基苯乙酮，并确定甲苯，乙酸酐和三氯铝的最佳摩尔比为4: 1: 2，收率为86.2%。

The isomer ratio of o-MNT to p-MNT,the degree of dinitration and the ratio of 2,6-DNT to 2,4-DNT have been investigated in the mononitration product of toluene by mixed acid.

通过改变反应条件,研究了硝混酸硝剂甲苯一段硝产物的邻异构体比例、硝程度及2,6-硝基甲苯与2,4-硝基甲苯生成比例的影响。

The effects of the catalyst dosage and the preparation conditions of HZ-1 zeolite,for example, number of exchange times on the benzoylation of toluene were studied.

并考察了HZ-1沸石交换次数等制备条件和催剂用量甲苯的苯甲酰反应的影响。

Two different kinds of palladium complexes of nitrogen containing polymere havebeen prepared and their catalytic actions for p -nitro -methyl benzfene have been invertigeted.

制备了两种不同的含氮高分子-钯络合物，并研究了它们硝基甲苯的催活性。

New-model antibiotic, medicine for healing high blood pressure and inflammation can be prepared from m-fluorotoluene, it is also an important intermediate for punchy soporific.

间氟甲苯是一个重要的医药工业中间体,在医药、农药、染料和氟塑料等有广泛的应用。

Citral was synthesized by catalytical rearrangement of dehydrolinalool in toluene solution with the present of molybdenyl acetylacetonate, benzoic acid and dimethyl sulfoxide (DMSO).

摘要采用脱氢芳樟醇为原料，在乙酰丙酮酸钼、苯甲酸、甲基亚砜(DMSO)的甲苯溶液中催重排合成柠檬醛，考察了柠檬醛在不同体系中的热敏性。

A survey of the health condition of 308 cases of workers exposed to benzene, toluene, xylol and mixed derivatives of benzene is presented.

本文报告了308例苯、甲苯、甲苯及混合苯作业工人的健康状况调查结果。

Ethyl cellulose was synthesized successfully in one step based on reaction of cellulose with excess chloroethane and sodium hydroxide in toluene as diluent.

采用纤维素与过量的氯乙烷及氢氧钠反应,以甲苯为稀释剂,用一步法成功地合成了乙基纤维素。

Toluene diisocyanate (TDI) is one of the most useful kinds of isocyanateth that is produced by the method of phosgenation of amine.

甲苯异氰酸酯(TDI)是异氰酸酯合物中应用最广泛的品种之一,其工业生产主要采用胺光法。

Recent method of synthesizing 3,5-xylenol is sulpho alkaline fusion of dimethylbenzene,it is a very complicated procedure with serious pollution and low-pure products.

国内目前生产工艺是间甲苯的磺碱熔法,该方法工艺过程复杂、污染严重,并且产品纯度不高。

The isomers dostribution of ortho-and para-toluenesulfonamide are successfully determined by high performance liquidchromatography (HPLC) . The results are compared with ultraviolet-spectroscopy (UV).

本文采用高效液相色谱法(HPLC),成功地测定了邻、甲苯磺酰胺的异构体分布,并用紫外光谱法(UV)作为照的方法进行比较。

Four kinds of methods to synthesize o-Dichlorobenzaldehyde were introduced. the advantages of hydrolysis methods to reduce p-toluene sulfonyl chloride were discussed.

主要介绍了四种氯苯甲醛的合成工艺路线,并比较利弊,阐述了甲苯磺酰氯氯水解法的优越性。

Paraxylene is a petrochemical used to make purified terephthalic acid, a raw material for producing polyester film, packaging resin and fabrics.

甲苯是一种石产品，用来制造精苯甲酸，原料生产聚酯薄膜，包装树脂和织物。

Objective To study the protective effect of aminomethyl benzoic acid (AMBA) on platelet during cardiopulmonary bypass (CPB) and its clinical application.

目的探讨氨甲苯酸(AMBA)在心肺转流(CPB)中血小板的保护作用及其临床意义。

Two series of thermotropic liquid crystalline polyureas were synthesized by the copolymerization of benzidine (or o-tolidine),1,6-hexane diamine and 2,4-toluene diisocyanate.

为合成新型热致液晶聚脲，以含液晶基元的联苯胺（或联邻甲苯胺）、1，6-己胺、2，4-甲苯异氰酸酯为原料进行合成。

There are lots of phenolic byproducts in the production of mononitrotoluene,which have high toxicity and are difficult to be treated.

一硝基甲苯是生产多种精细工产品生产的中间体,工业用途广泛。

METHOD The chorditis vocalis in rabbits were caused with croton oil and the ear swell ing in mice with dimethylbenzene.

方法采用巴豆油引起的家兔声带炎症模型和甲苯引起的小鼠耳炎症模型,观察CPI局部涂抹给药的抗炎作用。

The distillation system design of isomeric dichlorotoluene and its production process are given in detail in this paper.

详细讨论了氯甲苯异构体精馏塔系统的工程设计与生产过程。