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Rawaya 18 CAS 6407-78-9

Abubuwan Sinadarai:

Tsarin kwayoyin halitta Saukewa: C18H18N4O
Molar Mass 306.36
Yawan yawa 1.19
Matsayin Boling 497.8± 45.0 °C (An annabta)
Wurin Flash 254.8°C
Ruwan Solubility 62.94μg/L a 25 ℃
Tashin Turi 0 Pa da 25 ℃
pKa 1.45± 0.70 (An annabta)
Fihirisar Refractive 1.63

Cikakken Bayani

Tags samfurin

 

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.


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