Bromocresol Green Tare da CAS 76-60-8

CAS:76-60-8

MF:Saukewa: C21H14Br4O5S

MW:698.01

EINECS:200-972-8

Ma'ana:3,3',5,5'-Tetrabromo-m-cresosulfonaphthalein; 4,4' (3h-2,1-benzoxathiol-3-ylidene) bis (2,6-dibromo-3-methylphenol) s, s-dioxide; 4,4- (3h-2,1-benzoxathiol-3-ylidene) bis (2,6-dibromo-m-cresol) s, s-dioxide m-cresol; 4,4-(3h-2,1-benzoxathiol-3-ylidene)bis(2,6-dibromo-,s,s-dioxidephenol)

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Menene Bromocresol Green Tare da CAS 76-60-8?

Bromocresol kore yana ɗan narkewa cikin ruwa kuma yana narkewa a cikin ethanol, ether, ethyl acetate, da benzene. Mai matukar kulawa ga alkali, Bromocresol kore yana juya launin shuɗi-kore na musamman lokacin fuskantar mafita na ruwa na alkaline. Bromocresol kore za a iya amfani da a matsayin mai nuna alama, bayyana rawaya a pH 3.8 da blue-kore a pH 5.4.

Ƙayyadaddun bayanai

Abubuwa	Ƙayyadaddun bayanai
PH (tazarar canji)	3.8 (rawaya kore) -5.4 (blue)
Matsakaicin tsayin raƙuman ruwa (nm) 1 (PH 3.8) 2 (PH 5.4)	440-445 615-618
Mass absorption coefficient, L/cm · g α1 (λ1PH 3.8, samfurin bushe) α2 (λ2PH 5.4, samfurin bushe)	24-28 53-58
Gwajin rushewar Ethanol	wuce
Ragowar ƙonewa (ƙididdige shi azaman sulfate)	≤0.25
Asarar bushewa	≤3.0

Aikace-aikace

1.Bromocresol green ne Cell tabo wakili
2.Bromocresol kore ne Acid-tushe nuna alama, pH launi canji kewayon 3.8 (rawaya) zuwa 5.4 (blue-kore)
3.Bromocresol kore sodium gishiri ne fiye amfani a colorimetric kayyade acidity da alkalinity. Ana amfani da maganin gishirin sodium na Bromocresol Green azaman wakili mai launi don auna ƙimar pH ta spectrophotometry. Ana amfani da shi azaman reagent don chromatography na bakin ciki don ƙayyade aliphatic hydroxyacids da alkaloids, kuma azaman hakar da wakili na rabuwa don tantance ƙimar ammonium quaternary.