Xanthene yog cov organic compound nrog cov mis CH₂[C₆H₄]₂O. Nws yog cov khoom daj uas yog soluble hauv cov organic solvents. Xanthene nws tus kheej yog ib qho tsis pom tseeb, tab sis ntau ntawm nws cov derivatives yog cov khoom siv dyes.
Xanthene dye piv txwv yog dab tsi?
Dyes uas muaj cov tub ntxhais xanthene suav nrog fluorescein, eosins, thiab rhodamines. Xanthene dyes zoo li fluorescent, daj mus rau liab dawb rau xim liab, ci xim dyes. Ntau cov xanthene dyes tuaj yeem npaj tau los ntawm condensation ntawm derivates ntawm phthalic anhydride nrog derivates ntawm resorcinol lossis 3-aminophenol.
xanthene txhais li cas?
Kev Kho Mob Txhais ntawm xanthene
1: a dawb crystalline heterocyclic compound C13H10Okuj: ib qho isomer ntawm qhov no uas yog niam txiv ntawm cov xim xim ntawm xanthene dyes. 2: ib qho ntawm ntau yam derivatives ntawm xanthene.
Xanthene dye yog dab tsi?
Xanthene dyes yog cov muaj xanthylium lossis di-benzo-g-pyran nucleusua chromophore nrog amino lossis hydroxy pawg meta rau cov pa. … Xanthenes dyes yog pawg ua diphenylmethane, triphenylmethane, aminohydroxy thiab fluorescent derivatives. Ntau qhov kev siv rau cov dyes tau tshaj tawm.
YXanthene derivatives yog dab tsi?
Cov xanthine derivatives yog cov tshuaj uas zoo li lub ntuj tshwm sim xanthinesxws li caffeine, theobromine thiab methylxanthines. … Kev siv loj ntawm xanthine derivatives yog rau kev pabbronchospasm tshwm sim los ntawm hawb pob los yog mob ntsws obstructive ntsws. Cov xanthine siv dav tshaj plaws yog theophylline.
