Bromcresol lilla 0,04 wt, % in H₂O, Sigma-Aldrich®
Leverandør: SIGMA ALDRICH MICROSCOPYSamlet vurdering
Gennemsntilig vurdering
Synonymer:
5',5''-Dibromo-o-cresolsulphonphthalein, 3,3-Bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide
MQ200
Bromocresol purple (BCP) is an organic dye and a pH indicator. It changes from yellow (pH 5.2) to purple (6.8). BCP reacts with ammonia to yield ammonium salt. Hence, it can be used as an ammonia sensing probe.
Formel:
C₂₁H₁₆Br₂O₅S Molekylvægt: 540.23 g/mol Smeltepunkt: 242 Massefylde: 0.991 g/ml (25 °C) Opbevaringstemperatur: Room Temperature |
MDL Number:
MFCD00011681 CAS-nummer: 115-40-2 EINECS: 204-087-8 Merck Index: 13,01371 |
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Specifikationer Testresultater
Appearance (Form) | Liquid |
Wavelength |
584 - 590 nm In 0.01 N NaOH |
Extinction Coefficient | ≥60000 |
Visual Interval |
Pass pH 6.8 = Purple |
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