Bromocresol Viridis Cum CAS 76-60-8

CAS;76-60-8

MF:C21H14Br4O5S

MW:698.01

EINECS:200-972-8

Synonym: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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Quid est Bromocresol Viridis Cum CAS 76-60-8?

Bromocresol viridis est leviter solutum in aqua et solutum in ethanolo, aethere, ethyl acetate, et benzene. Valde sensilis alcali, Bromocresol viridis colorem singularem caeruleo-viride vertit cum solutiones alcalinarum aquearum inveniens. Bromocresol viridis in signum adhiberi potest, flavo apparens in pH 3.8 et caeruleo-viridis ad pH 5.4.

Specification

Items	Specification
PH（transitus intervallum	3.8（flavus viridis 5.4（blue）
Maxime effusio adsum λ1（PH 3.8） λ2（PH 5.4）	440~445 615~618
Massa effusio coefficientis, L/cm · g α1（λ1PH 3.8, specimen aridum） α2（λ2PH 5.4, specimen siccum)	24~28 53~58
Ethanol dissolutio test	pass
Ardere residua calculata sulfate.	≤0.25
Damnum in siccitate	≤3.0

Applicationem

1.Bromocresol viridis est cell tinguere agentis
2.Bromocresol viridis est index basi acid-sus, color pH mutatio range 3.8 (flavus) ad 5.4 (hyacintho-viridis)
3.Bromocresol viridis sodium sal vulgo adhibetur in determinatione acoris et alcalinitatis colorimetrica. Solutio salis sodium viridis bromocresoli adhibetur ut agens colorimetric ad valorem pH mensurandum per spectrophotometriam. Usus est pro chromatographia tenui strato gerens ad hydroxyacidas et alkaloidas aliphaticas determinandas, et ut agens extractionem et separationem ad determinationem quatemarum ammonium cations photometricas.