Bromocresol Purple is intended for use in aqueous solutions - not for alcoholic solutions. Between pH 5.2 and 6.8, the color transition should be yellow to purple. Alcoholic solutions will need to be diluted with water before performing a titration
114375
Bromocresol Purple
BioReagent, suitable for indicator, Dye content 90 %
Synonyma:
5,5′-Dibromo-o-cresolsulfonphthalein, Bromcresol purple sultone form
Přihlásit pro zobrazení organizačních a smluvních cen.
Vybrat velikost
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| Vám/Skladová položka | Dostupnost | Cena |
|---|---|---|
5 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 2 270,00 Kč |
25 g | Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti. | 6 600,00 Kč |
O této položce
Empirický vzorec (Hillův zápis):
C21H16Br2O5S
Číslo CAS:
Molekulová hmotnost:
540.22
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
EC Number:
204-087-8
Beilstein/REAXYS Number:
359618
MDL number:
2 270,00 Kč
Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti.
Technický servis
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BioReagent
Quality Segment
assay
≥89.0% (HPLC)
form
powder
composition
Dye content, 90%
technique(s)
titration: suitable
pH
5.2-6.8, yellow to purple
visual transition interval
5.2-6.8, yellow to blue
mp
240 °C (dec.) (lit.)
solubility
ethanol: 1 mg/mL
λmax
419 nm
ε (extinction coefficient)
≥22000 at 418-424 nm in methanol
suitability
suitable for indicator
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
SMILES string
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
InChI key
ABIUHPWEYMSGSR-UHFFFAOYSA-N
Application
Spectrophotometric determination of serum-albumin
Bromocresol Purple has been used for staining of Saccharomyces cerevisiae.
Biochem/physiol Actions
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.
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Tato položka | |||
|---|---|---|---|
| suitability suitable for indicator | suitability - | suitability - | suitability - |
| technique(s) titration: suitable | technique(s) - | technique(s) titration: suitable | technique(s) titration: suitable |
| solubility ethanol: 1 mg/mL | solubility - | solubility - | solubility - |
| form powder | form solid | form powder | form powder |
| application(s) diagnostic assay manufacturing | application(s) - | application(s) diagnostic assay manufacturing | application(s) diagnostic assay manufacturing |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
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Skladovací třída
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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What is the difference between 0.04%w/v bromocresol in aq.solution and methylated spirit in aspects of titration volumetric quantitative analysis
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