Yellow 157 CAS 27908-75-4

Mawu Oyamba

Solvent Yellow 157 ndi utoto wachilengedwe, womwe umadziwikanso kuti Direct Yellow 12. Dzina lake la mankhwala ndi 3-[(2-Chlorophenyl) azo] -4-hydroxy-N,N-bis(2-hydroxyethyl)aniline, ndi formula ya mankhwala. Mtengo wa C19H20ClN3O3. Ndi chikasu cha ufa cholimba.

Solvent Yellow 157 imagwiritsidwa ntchito makamaka ngati utoto wopangidwa ndi Solvent, womwe umatha kusungunuka mu zosungunulira za organic, monga acetone, mowa ndi zosungunulira za ether. Itha kugwiritsidwa ntchito popaka zinthu monga mapulasitiki, ma resin, utoto, zokutira, ulusi ndi inki. Itha kugwiritsidwanso ntchito podaya makandulo ndi matayala a sera.

Njira yokonzekera zosungunulira za Yellow 157 nthawi zambiri zimakhala pochita 2-chloroaniline ndi 2-hydroxyethylaniline, ndikuchita kugwirizanitsa pansi pamikhalidwe yoyenera. Zomwe zidachitikazo zidawunikidwa ndikusefedwa kuti zipereke Yellow 157 yoyera.

Kuti mudziwe zambiri zachitetezo, Solvent Yellow 157 ikhoza kukhala yowopsa. Zitha kuyambitsa kuyabwa m'maso, pakhungu komanso pokoka mpweya, choncho gwiritsani ntchito njira zodzitetezera, monga kuvala magolovesi oteteza ndi magalasi. Kuphatikiza apo, pewani kutulutsa fumbi ndikugwirira ntchito pamalo abwino mpweya wabwino.