?acetic anhydride

acetic anhydride發(fā)音

英：　　美：

acetic anhydride中文意思翻譯

常用釋義：乙酸酐：一種無(wú)色液體

n.乙酸酐，無(wú)水醋酸

n.[有化]乙酸酐

acetic anhydride雙語(yǔ)使用場(chǎng)景

1、Sulfonated EPDM ionomers ( S - EPDM ) were prepared with concentrated sulfuric acid and acetic anhydride.───用濃硫酸和醋酸酐與三元乙丙橡膠(EPDM ) 反應制備了磺化三元乙丙橡膠離聚物 ( S-EPDM).

2、Corn starch, modified by acid, can be acetylated to starch acetate by treatment with acetic anhydride.───以酸解醋酸淀粉為主要原料,添加增強劑、玉米淀粉和木薯淀粉等原料, 制成了一種新型粘合劑.

3、A analytic method by titration using acetic anhydride as age nt is related in this paper.───所作的工作建立了以乙酸酐為掩蔽劑,用鹽酸標準溶液滴定二甲胺中三甲胺含量的分析方法.

4、Aspirin was synthesized from salicylic acid and acetic anhydride by sodium bisulfat as catalyst.───用一水硫酸氫鈉為催化劑由水楊酸與乙酐酯化合成阿司匹林.

5、synthesized in Perkinreaction of acetic anhydride and salicylaldehydecatalyzed by anhydrous potassium carbonate.───碳酸鉀代替無(wú)水醋酸鈉催化合成了香豆素。

6、The refined lanolin is reacted with acetic anhydride to obtain acetylated lanolin.───精制羊毛脂和乙?；蛎勺鰹槠じ锛又瑒┑脑辖M份。

7、Amino 4 methoxyl acetylaniline was synthesized acetylization ofp - methoxylaniline with acetic acid and acetic anhydride, then nitration and reduction.───以對甲氧基苯胺為原料,用冰醋酸和醋酸酐作乙?；瘎?經(jīng)乙?；?、 濃硝酸硝化、鐵粉還原合成了3-氨基-4-甲氧基乙酰苯胺.

8、Sulfur method replaced by acetic anhydride method for chloroacetic production is the trends in domestic.───指出在國內用醋酐法代替硫磺法生產(chǎn)氯乙酸的必然趨勢.

9、Sulfuric acid and acetic anhydride were used as a cyclizing agent to prepare Ofloxacin intermediate.───用硫酸乙酐混合物作環(huán)合劑,制備了氟嗪酸中間體.

10、Acetylsalicylic acid was synthesized from salicylic acid and acetic anhydride catalyzed by strong - acid cation exchange resin.───以水楊酸和乙酸酐為原料、強酸陽(yáng)離子交換樹(shù)脂為催化劑合成阿司匹林.

11、New progress for phenylacetone synthesis from organic zinc reagent and acetic anhydride was studied.───實(shí)驗研究了以氯化芐為原料合成藥物中間體苯基丙酮的新工藝.

12、Metal deactivator N, N'-Di-acetyladipic dihydrazine was prepared by reacting diethyl adipate with hydrazine hydrate, and then was treated with acetic anhydride.───由已二酸二乙酯與水合肼反應合成己二酰二肼。 再用乙酸酐?；憾６碌玫浇饘贉p活劑N。

13、The kinetics of esterification of linalool with acetic anhydride was studied.───研究了芳樟醇與乙酸酐酯化反應動(dòng)力學(xué).

14、The effects as the dosage catalyzer and acetic anhydride had been studied in new process.───并探討新工藝中,異構化催化劑的用量、?；瘎┐佐呐浔葘σ阴＜装妨椎氖章实挠绊?

15、N - phenyl maleimide was synthesized ring dehydration catalyst of nickel diacetylacetonate ( Ni ( ac ac ) 2 ) by acetic anhydride method.───以乙酰丙酮鎳為閉環(huán)脫水催化劑,運用改進(jìn)的醋酐法,合成了N - 苯基 馬來(lái)酰亞胺.

acetic anhydride相似詞語(yǔ)短語(yǔ)

1、boric anhydride───三氧化二硼，硼酐

2、maleic anhydrides───[有化]順丁烯二酸酐

3、acid anhydrides───酸酐

4、maleic anhydride───[有化]順丁烯二酸酐

5、acid anhydride───[化學(xué)]酸酐

6、carbonic anhydride───[無(wú)化]碳酸酐

7、acyl anhydride───酰酐

8、acyl anhydrides───酰酐

9、acetic anhydrides───n.[有化]乙酸酐

乙酐溶于水生成什么？

乙酸酐緩慢溶于水變成乙酸！

乙酸酐

[拼音]：yisuangan

[外文]：acetic anhydride

公式 符號　　又稱(chēng)醋酐。分子式(CH3CO)2O。乙酸酐為無(wú)色、易流動(dòng)、帶有乙酸味的液體；有強烈的催淚作用；對皮膚也有刺激性，接觸后會(huì )起泡；熔點(diǎn)－73.1°C，沸點(diǎn)139.55°C，相對密度1.0820(20/4°C)；稍溶于水，在水中緩慢水解成乙酸，能溶于醇、醚、丙酮等有機溶劑中。