Bromocresol Green Tare da CAS 76-60-8

CAS:76-60-8

MF:C21H14Br4O5S

MW:698.01

EINECS:200-972-8

Ma'anar kamanci: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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Saukewa

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

Koren Bromocresol yana narkewa kaɗan a cikin ruwa kuma yana narkewa a cikin ethanol, ether, ethyl acetate, da benzene. Yana da matukar saurin kamuwa da alkali, kore Bromocresol yana canza launin shuɗi-kore na musamman lokacin da aka haɗu da ruwan alkaline. Ana iya amfani da kore Bromocresol azaman nuni, yana bayyana rawaya a pH 3.8 da shuɗi-kore a pH 5.4.

Ƙayyadewa

Abubuwa	Ƙayyadewa
PH(tazara tazara)	3.8 (kore mai launin rawaya) -5.4 (shuɗi)
Matsakaicin tsawon sha (nm) λ1(PH 3.8) λ2(PH 5.4)	440~445 615~618
Ma'aunin shan taro, L/cm · g α1(λ1PH 3.8, samfurin busasshe) α2(λ2PH 5.4, samfurin busasshe)	24~28 53~58
Gwajin narkar da Ethanol	izinin wucewa
Ragowar ƙonewa (wanda aka ƙididdige shi azaman sulfate)	≤0.25
Asara idan aka busar da ita	≤3.0

Aikace-aikace

1. Bromocresol kore shine maganin tabo na tantanin halitta
2. Koren Bromocresol shine alamar tushen acid, canjin launi na pH tsakanin 3.8 (rawaya) zuwa 5.4 (shuɗi-kore)
3. Ana amfani da gishirin sodium kore na Bromocresol wajen tantance sinadarin acidity da alkalinity. Ana amfani da maganin gishirin sodium na Bromocresol kore a matsayin maganin launi don auna darajar pH ta hanyar amfani da spectrophotometry. Ana amfani da shi azaman maganin reagent don yin chromatography na siririn Layer don tantance sinadarin hydroxyacids da alkaloids na aliphatic, da kuma azaman wakilin cirewa da rabuwa don tantance sinadarin photometric na cations na ammonium na quaternary.