Yellow 157 CAS 27908-75-4
Taw qhia
Solvent Yellow 157 yog cov organic dye, tseem hu ua Direct Yellow 12. Nws lub npe tshuaj yog 3-[(2-Chlorophenyl) azo]-4-hydroxy-N, N-bis (2-hydroxyethyl) aniline, thiab cov tshuaj formula. yog C19H20ClN3O3. Nws yog daj hmoov hmoov.
Solvent Yellow 157 feem ntau yog siv los ua cov kuab tshuaj raws li cov kuab tshuaj, uas tuaj yeem yaj hauv cov kuab tshuaj organic, xws li acetone, cawv thiab ether cov kuab tshuaj. Nws tuaj yeem siv rau xim cov khoom xws li yas, resins, xim, coatings, fibers thiab inks. Nws kuj tseem siv tau rau dyeing tswm ciab thiab siv quav ciab tais.
Txoj kev npaj Solvent Yellow 157 feem ntau yog los ntawm reacting 2-chloroaniline thiab 2-hydroxyethylaniline, thiab ua ib qho kev sib txuas cov tshuaj tiv thaiv raws li qhov tsim nyog. Cov khoom siv tshuaj tiv thaiv tau crystallized thiab lim kom muab cov ntshiab Solvent Yellow 157.
Rau cov ntaub ntawv kev nyab xeeb, Solvent Yellow 157 yog qhov ua rau muaj kev phom sij. Nws tuaj yeem ua rau khaus qhov muag, tawv nqaij thiab nqus pa, yog li siv cov kev tiv thaiv tsim nyog, xws li hnav hnab looj tes tiv thaiv thiab tsom iav. Tsis tas li ntawd, tsis txhob nqus cov plua plav thiab ua haujlwm hauv qhov chaw muaj cua zoo.