Rawaya 18 CAS 6407-78-9
Gabatarwa
Solvent Yellow 18 wani kaushi ne na kwayoyin halitta tare da sunan sinadarai na 2-chloro-1,3,2-dibenzothiophene.
Solvent Yellow 18 yana da kaddarorin masu zuwa:
1. Bayyanar: rawaya crystalline powdery m;
4. Solubility: Solubility a cikin polar Organic solvents, kamar ethanol, ethers da chlorinated hydrocarbons.
Babban amfani da sauran ƙarfi rawaya 18:
1. A matsayin tsaka-tsaki mai launi: za a iya amfani da launin rawaya 18 mai ƙarfi a cikin kira na dyes, kuma yana taka muhimmiyar rawa a cikin rini na yadudduka, takarda ko kayan filastik;
2. Kamar yadda sauran ƙarfi: Yana da kyau solubility kuma za a iya amfani da a matsayin sauran ƙarfi a cikin kwayoyin kira halayen.
Hanyar shiri na ƙarfi rawaya 18:
The ƙarfi rawaya 18 za a iya kafa ta dauki benzothiophene tare da chloroacetyl chloride, sa'an nan samu ta catalytic mataki na cuprous chloride da iridium carbonate.
Bayanin Tsaro na Solvent Yellow 18:
1. Mai narkewa rawaya 18 yana da wasu haushi da guba, wanda zai iya haifar da haushi da rashin jin daɗi a cikin hulɗa da fata da shakarwa;
2. Ya kamata a kula don hana haɗuwa da fata da idanu yayin amfani da su, da kuma tabbatar da cewa an gudanar da aikin a wuri mai kyau;
3. Idan an yi hulɗa da juna ko shiga cikin haɗari, kurkura nan da nan da ruwa mai yawa kuma ku nemi kulawar likita a cikin lokaci;
4. Lokacin da ake adanawa, ya kamata a rufe shi kuma a adana shi a wuri mai sanyi, busassun don kauce wa haɗuwa da karfi mai karfi da acid mai karfi.