Cov kuab tshuaj Yellow 21 CAS 5601-29-6
Taw qhia
Solvent Yellow 21 yog cov kuab tshuaj organic nrog lub npe tshuaj ntawm 4-(4-methylphenyl) benzo [d]azine.
Zoo:
- Pom: Ntuj daj crystal, soluble nyob rau hauv organic solvents xws li ethanol thiab ether solvents, me ntsis soluble nyob rau hauv dej.
- Stability: Relatively ruaj, tsis yooj yim rau decompose ntawm chav tsev kub, tab sis yuav ploj los ntawm lub teeb thiab oxidant.
Siv:
- Solvent Yellow 21 tuaj yeem siv rau hauv ntau hom kev lag luam dyeing thiab tshuaj xyuas tshuaj.
- Hauv kev lag luam dyeing, nws feem ntau yog siv los dye textiles, tawv, thiab yas, thiab tuaj yeem siv los ua cov xim pleev xim rau cov xim pleev xim, cov ntawv pleev xim, thiab cov xim xim.
- Solvent Yellow 21 tuaj yeem siv los ua qhov taw qhia thiab chromogen hauv kev tshuaj xyuas tshuaj, xws li cov kua qaub-puag qhia hauv acid-base titration.
Txoj kev:
Cov kuab daj daj 21 feem ntau tau txais los ntawm cov tshuaj tiv thaiv ntawm benzo [d]zazine nrog p-toluidine. Cov kauj ruam tshwj xeeb thiab cov xwm txheej tuaj yeem hloov kho raws li qhov xav tau tiag tiag thiab cov txheej txheem.
Cov ntaub ntawv kev nyab xeeb:
Thaum siv cov kuab tshuaj daj 21, yuav tsum tau ceev faj hauv qab no:
- Tsis txhob kov ncaj qha rau ntawm daim tawv nqaij thiab qhov muag kom tiv thaiv kev ua xua thiab ua xua.
- Ua kom qhov chaw ua haujlwm tau zoo los tiv thaiv cov kuab tshuaj daj 21 vapor inhalation.
- Thaum khaws cia, thov khaws cia kom nruj thiab kom deb ntawm qhov kub thiab hluav taws kub.
- Ua raws cov txheej txheem tshwj xeeb thiab cov txheej txheem ua haujlwm nyab xeeb thaum siv thiab tuav.