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114375

Sigma-Aldrich

Bromocresol Purple

BioReagent, suitable for indicator, Dye content 90 %

Sinonimo/i:

5,5′-Dibromo-o-cresolsulfonphthalein, Bromcresol purple sultone form

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About This Item

Formula empirica (notazione di Hill):
C21H16Br2O5S
Numero CAS:
Peso molecolare:
540.22
Beilstein:
359618
Numero CE:
Numero MDL:
Codice UNSPSC:
12171500
ID PubChem:
NACRES:
NA.47

Nome Commerciale

BioReagent

Livello qualitativo

Saggio

≥89.0% (HPLC)

Forma fisica

powder

Composizione

Dye content, 90%

tecniche

titration: suitable

pH

5.2-6.8, yellow to purple

visual transition interval

5.2-6.8, yellow to blue

Punto di fusione

240 °C (dec.) (lit.)

Solubilità

ethanol: 1 mg/mL

λmax

419 nm

ε (coefficiente d’estinzione)

≥22000 at 418-424 nm in methanol

Compatibilità

suitable for indicator

applicazioni

diagnostic assay manufacturing
hematology
histology

Temperatura di conservazione

room temp

Stringa SMILE

Cc1cc(cc(Br)c1O)C2(OS(=O)(=O)c3ccccc23)c4cc(C)c(O)c(Br)c4

InChI

1S/C21H16Br2O5S/c1-11-7-13(9-16(22)19(11)24)21(14-8-12(2)20(25)17(23)10-14)15-5-3-4-6-18(15)29(26,27)28-21/h3-10,24-25H,1-2H3
ABIUHPWEYMSGSR-UHFFFAOYSA-N

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Applicazioni

Bromocresol Purple has been used for staining of Saccharomyces cerevisiae.
Spectrophotometric determination of serum-albumin

Azioni biochim/fisiol

Bromocresol purple is a pH indicator which changes color from yellow (at low pH 5.2) to violet (above pH 6.8). It is mainly used as a fluorescent stain in yeast cells. It helps in dead cell count for cells with plasma membrane damage. Cells with proper cell membrane are not stained, while damaged cells are seen as blue-grey ghosts.

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves


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ATP leakage from yeast cells treated by extracellular glycolipids of Pseudozyma fusiformata.
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Yeast colonies synchronise their growth and development.
Palkova Z and Forstova J
Journal of Cell Science, 113, 1923-1928 (2000)
Fluorescent staining with bromocresol purple: a rapid method for determining yeast cell dead count developed as an assay of killer toxin activity.
Kurzweilova H and Sigler K
Yeast, 9, 1207-1211 (1993)
Faizah Mohd Faizul et al.
Journal of photochemistry and photobiology. B, Biology, 90(1), 1-7 (2007-11-21)
The interaction between bromocresol purple (BCP) and bovine serum albumin (BSA)/porcine serum albumin (PSA) was investigated both in the absence and presence of bilirubin (BR) using absorption/absorption difference spectroscopy. A significant red shift in the absorption maxima of BCP accompanied
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Determination of thermodynamic parameters of water oxidation at the photosystem II (PSII) manganese complex is a major challenge. Photothermal beam deflection (PBD) spectroscopy determines enthalpy changes (ΔH) and apparent volume changes which are coupled with electron transfer in the S-state

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