Bromocresol Viridis cum CAS 76-60-8

CAS:76-60-8

MF:C21H14Br4O5S

MW:698.01

EINECS:200-972-8

Synonymum:3,3',5,5'-Tetrabromo-m-cresosulfonapthaleinum; 4,4'-(3h-2,1-benzoxathiol-3-ylidene)bis(2,6-dibromo-3-methylphenol)s,s-dioxidum; 4,4-(3h-2,1-benzoxathiol-3-ylidene)bis(2,6-dibromo-m-cresol)s,s-dioxidum m-cresol; 4,4-(3h-2,1-benzoxathiol-3-ylidene)bis(2,6-dibromo-m-cresol)s,s-dioxidum m-cresol.

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Detalia Producti

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Etiquettae Productarum

Quid est Bromocresol Viridis cum CAS 76-60-8?

Bromocresoli viridis leviter solubilis est in aqua et solubilis in ethanolo, aethere, ethylacetato, et benzeno. Ad alcali valde sensibilis, Bromocresoli viridis colorem caeruleo-viridem peculiarem induit cum solutionibus aquosis alcalinis occurrit. Bromocresoli viridis ut indicator adhiberi potest, flavus apparens ad pH 3.8 et caeruleo-viridis ad pH 5.4.

Specificatio

Res	Specificatio
PH (intervallum transitionis)	3.8 (flavoviridis) - 5.4 (caeruleum)
Maxima longitudo undae absorptionis (nm) λ1 (pH 3.8) λ² (pH 5.4)	440~445 DCXV~DCXVIII
Coefficiens absorptionis massae, L/cm · g α1 (λ1PH 3.8, exemplum siccum) α2 (λ2PH 5.4, exemplum siccum)	XXIV~XXVIII 53~58
Examen dissolutionis ethanoli	transitus
Residuum combustionis (ut sulfas computatum)	≤0.25
Damnum in siccatione	≤3.0

Applicatio

1. Bromocresoli viridis est agens tinctionis cellularum.
2. Bromocresoli viridis est indicator acidi et basis, cuius pH mutatio coloris a 3.8 (flavus) ad 5.4 (caeruleus-viridis) variat.
3. Sal natricus bromocresoli viridis vulgo adhibetur in determinatione colorimetrica aciditatis et alcalinitatis. Solutio salis natrici bromocresoli viridis ut agens colorimetricum ad mensurandum valorem pH per spectrophotometriam adhibetur. Ut reagens pro chromatographia tenui strato ad determinanda hydroxyacida aliphatica et alcaloida, et ut agens extractionis et separationis ad determinationem photometricam cationum ammonii quaternariorum adhibetur.