Rawaya mai launi 138 CAS 30125-47-4

Gabatarwa

Pigment yellow 138, kuma aka sani da raw flower yellow, yellow trumpet, sinadaran sunan shine 2,4-dinitro-N-[4- (2-phenylethyl) phenyl] aniline. Mai zuwa gabatarwa ne ga wasu kaddarorin, amfani, hanyoyin masana'antu da bayanan aminci na Yellow 138:

inganci:

- Yellow 138 foda ne mai rawaya crystalline, wanda ke da sauƙin narkewa a cikin kaushi mai ƙarfi, kamar methanol, ethanol, da sauransu, kuma ba a narkewa a cikin ruwa.

- Tsarin sinadarai yana ƙayyade cewa yana da kyakkyawan yanayin hoto da juriya na zafi.

- Yellow 138 yana da kwanciyar hankali mai kyau a ƙarƙashin yanayin acidic, amma yana da wuyar canzawa a ƙarƙashin yanayin alkaline.

Amfani:

- Yellow 138 ana amfani da shi ne a matsayin sinadari na halitta kuma ana amfani dashi sosai a cikin fenti, tawada, robobi da sauran masana'antu.

- Saboda launin rawaya mai haske da saurin launi mai kyau, ana amfani da Yellow 138 azaman launi a cikin zanen mai, zanen ruwa, zanen acrylic da sauran filayen fasaha.

Hanya:

- Hanyar shiri na rawaya 138 ya fi rikitarwa, kuma yawanci ana samun shi ta hanyar oxidation dauki tare da mahadi amino.

- Takamammen hanyar shirye-shiryen na iya haɗawa da halayen nitroso mahadi tare da aniline don samun 2,4-dinitro-N-[4- (2-phenylethyl) phenyl] imine, sannan kuma amsawar imine tare da hydroxide na azurfa don shirya Huang 138 .

Bayanin Tsaro:

- Yellow 138 ana ɗauka gabaɗaya a matsayin tsayayye kuma ingantacciyar lafiya a ƙarƙashin yanayin amfani na yau da kullun.

- Yellow 138 yana da saurin canzawa a ƙarƙashin yanayin alkaline, don haka ya kamata a guji hulɗa da abubuwan alkaline.