N-Ethylaniline CAS: 103-69-5

tshuaj muaj zog

Cov kua dej tsis muaj xim.

Melting point -63.5 ℃ (kub point -80 ℃),

Kub taw tes 204.5 ℃, 83.8 ℃ (1.33kPa),

txheeb ze ntom ntom 0.958 (25 ℃)

Refractive Index 1.5559,

flash point 85 ℃,

hluav taws kub taw tes 85 ℃ (qhib).

Insoluble hauv dej thiab ether, soluble hauv cawv thiab feem ntau cov kuab tshuaj organic. Thaum raug lub teeb lossis huab cua, nws hloov xim av sai sai thiab muaj ntxhiab tsw aniline.

Kev siv:

Cov khoom no yog siv rau hauv cov organic synthesis thiab yog ib qho tseem ceeb nruab nrab rau azo dyes thiab triphenylmethane dyes; nws kuj tseem siv tau los ua ib qho nruab nrab rau cov tshuaj zoo xws li roj hmab additives, explosives, thiab cov ntaub ntawv yees duab.

Txoj kev tsim khoom

1. Hydrochloric acid txoj kev: react aniline hydrochloride thiab ethanol ntawm 180 ° C thiab 2.94MPa, distilled tawm tshaj ethanol thiab by-product ether, ces ntxiv 30% NaOH thiab p-toluenesulfonyl chloride, thiab tshem tawm Chemicalbook by-products los ntawm steam distillation diethylan , thiab tom qab ntawd ntxiv sulfuric acid kom tau txais cov khoom. 2. Phosphorus trichloride method: react aniline, ethanol thiab phosphorus trichloride ntawm 300 ° C thiab 9.84MPa, thiab fractionate cov tshuaj tiv thaiv sib tov los ntawm lub tshuab nqus tsev distillation kom tau N-ethylaniline.

Cov ntaub ntawv tiv tauj

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