Cov kuab tshuaj Yellow 33 CAS 8003-22-3
| Risk Codes | R22 - Ua phem yog tias nqos R36/37/38 - Kab mob rau qhov muag, ua pa thiab tawv nqaij. R36/38 - Kab mob rau qhov muag thiab tawv nqaij. |
| Kev nyab xeeb piav qhia | S24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag. S36 - Hnav khaub ncaws tiv thaiv zoo. S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob. S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag |
| WGK Germany | 3 |
| RTECS | GC5796000 |
Taw qhia
Cov kuab tshuaj daj 33 yog cov organic hnyav dye nrog cov xim txiv kab ntxwv-daj, thiab nws cov tshuaj npe yog bromophenol daj. Solvent Yellow 33 muaj cov khoom nram qab no:
1. Xim stability: hnyav daj 33 yog yaj nyob rau hauv cov organic hnyav nyob rau hauv chav tsev kub, qhia ib tug txiv kab ntxwv-daj tov, nrog zoo xim stability.
2. Solubility: hnyav daj 33 yog soluble hauv organic solvents xws li cawv, ketones, esters, aromatics, thiab lwm yam, tab sis insoluble hauv dej.
3. Cov kuab tshuaj tiv thaiv siab: Cov kuab tshuaj daj 33 muaj cov kuab tshuaj siab hauv cov kuab tshuaj thiab muaj cov kuab tshuaj zoo.
Cov kev siv tseem ceeb ntawm cov kuab tshuaj daj 33 suav nrog:
1. Dye pigments: Raws li cov organic hnyav dyes, hnyav daj 33 feem ntau yog siv rau hauv coatings, inks, plastics, roj hmab, fibers thiab lwm yam teb los muab cov khoom txiv kab ntxwv daj.
2. Dye intermediate: hnyav daj 33 kuj tuaj yeem siv los ua cov xim nruab nrab, uas tuaj yeem siv los ua cov khoom siv raw rau kev sib txuas ntawm lwm cov xim dyes.
Cov hau kev rau kev npaj cov kuab tshuaj daj 33 yog:
1. Synthesis method: hnyav daj 33 tuaj yeem npaj tau los ntawm bromine hauv phenol bromination, thiab tom qab ntawd acidification, sulfonation, alkylation thiab lwm yam kev cuam tshuam ntau theem.
2. Oxidation method: cov khoom siv raw ntawm cov kuab tshuaj daj 33 yog oxidized nrog oxygen nyob rau hauv lub xub ntiag ntawm ib tug catalyst los tsim cov kuab tshuaj daj 33.
Cov ntaub ntawv kev nyab xeeb ntawm cov kuab tshuaj daj 33 yog raws li hauv qab no:
1. Cov kuab tshuaj daj 33 muaj qee qhov kev hnov mob, tuaj yeem ua rau muaj kev tsis haum, ua rau khaus ntawm daim tawv nqaij thiab qhov muag, thiab cov khoom siv tiv thaiv tsim nyog yuav tsum tau hnav.
2. Thaum siv, tsis txhob nqus cov plua plav lossis kua ntawm cov kuab tshuaj daj 33, thiab tsis txhob kov cov tawv nqaij thiab qhov muag.
3. Nyob rau hauv rooj plaub ntawm kev sib cuag nrog cov kuab tshuaj daj 33, yaug qhov chaw cuam tshuam tam sim nrog dej ntau.
4. Cov kuab tshuaj daj 33 yuav tsum tau muab cia rau hauv qhov chaw txias, qhuav thiab qhov cua zoo kom tsis txhob muaj oxidants, acids, alkalis thiab lwm yam khoom.
