Yero 157 CAS 27908-75-4

Nhanganyaya

Solvent Yellow 157 is an organic dye, inozivikanwawo se Direct Yellow 12. Zita remakemikari ayo 3-[(2-Chlorophenyl) azo] -4-hydroxy-N,N-bis(2-hydroxyethyl)aniline, uye kemikari formula. Iyo C19H20ClN3O3. Iine hupfu hweyero.

Solvent Yellow 157 inonyanya kushandiswa sedhayi ine Solvent-based dhayi, inogona kunyungudika muorganic solvents, senge acetone, doro uye ether zvinonyungudutsa. Inogona kushandiswa kudhayiwa zvigadzirwa zvakaita semapurasitiki, resin, pendi, machira, faibha neingi. Inogona zvakare kushandiswa kudhaya makenduru nematireyi ewakisi.

Nzira yekugadzirira Solvent Yero 157 kazhinji nekuita 2-chloroaniline uye 2-hydroxyethylaniline, uye kuita coupling reaction pasi pemamiriro akakodzera. The reaction product was crystallized and filtered kupa yakachena Solvent Yellow 157.

Kuti uwane ruzivo rwekuchengetedza, Solvent Yellow 157 inogona kuve nengozi. Inogona kukonzera kutsamwa kumaziso, ganda uye inhalation, saka shandisa matanho ekudzivirira akakodzera, akadai sekupfeka magirovhosi ekudzivirira uye magirazi. Mukuwedzera, dzivisa kufemesa huruva uye shanda munzvimbo ine mhepo yakanaka.