Soluble in benzene; very soluble in ethanol and diethyl ether[1]
Acidity (pKa)
4.90[2]
UV-vis (λmax)
423 nm[3]
Hazards
GHS labelling:
Pictograms
Signal word
Warning
Hazard statements
H315, H319, H335
NFPA 704 (fire diamond)
2
1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
Chemical compound
Bromocresol green(pH indicator)
below pH 3.8
above pH 5.4
3.8
⇌
5.4
Bromocresol green (BCG) is a dye of the triphenylmethane family (triarylmethane dyes). It belongs to a class of dyes called sulfonephthaleins.[4] It is used as a pH indicator in applications such as growth mediums for microorganisms and titrations. In clinical practise, it is commonly used as a diagnostic technique. The most common use of bromocresol green is to measure serum albumin concentration within mammalian blood samples in possible cases of kidney failure and liver disease. In chemistry, bromocresol green is used in Thin-layer chromatography staining solutions to visualize acidic compounds.
^"Bromocresol green".
^Kolthoff, I.M. Treatise on Analytical Chemistry, New York, Interscience Encyclopedia, Inc., 1959.
^ ab"Bromocresol Green". Sigma Aldrich.
^Sabnis, R. W. (2008). Handbook of Acid-Base Indicators. Boca Raton, FL: CRC Press. pp. 43–44. ISBN 9780849382185.
Bromocresolgreen (BCG) is a dye of the triphenylmethane family (triarylmethane dyes). It belongs to a class of dyes called sulfonephthaleins. It is used...
infestation in cattle and other animals. Similar to bromocresolgreen, the structure of bromocresol purple changes with pH. Changing the level of acidity...
triarylmethane dyes. Common phthalein dyes include: Bromothymol blue BromocresolgreenBromocresol purple Cresol Red o-Cresolphthalein Chlorophenol red Dixylenolphthalein...
Calmette–Guérin), for tuberculosis Ballistocardiography, measuring heart forces Bromocresolgreen, a dye and pH indicator Beijing Capital Group, China Boston Consulting...
chemical dyes. Examples of triarylmethane dyes are bromocresolgreen: And the nitrogen-bearing malachite green: The triphenylmethyl substituent, also called...
supravital staining (e.g., with new methylene blue, crystal violet or bromocresolgreen). Heinz bodies are formed by damage to the hemoglobin component molecules...
Phenolphthalein Phenol red Chlorophenol red Cresol red Bromocresol purple Bromocresolgreen Malachite green dyes are related to the methyl violet dyes, except...
purpose. The process is illustrated for the indicator bromocresolgreen. The observed spectrum (green) is the sum of the spectra of HA (gold) and of A− (blue)...
acids are common acid titrants, while phenolpthalein, methyl red, and bromocresolgreen are common indicators. In typical groundwater or seawater, the measured...
common to many indicators including chlorophenol red, thymol blue, and bromocresolgreen. The presence of one moderate electron-withdrawing group (bromine...
Isosbestic point in the bromocresolgreen spectrum. The spectra of basic, acid and intermediate pH solutions are shown. The analytical concentration of...
Brilliant green Malachite green G Zeylonka Basic green 1 42040 triarylmethane 633-03-4 Bromsulfthalein BSP triarylmethane 71-67-0 Bromocresolgreen BCG triarylmethane...
rolled and placed in a jar filled with a butanol solution containing bromocresolgreen indicator dye for several hours. After the paper is pulled out and...
recording the change in absorbance upon binding to a dye such as bromocresolgreen or bromocresol purple. The normal range of human serum albumin in adults (>...
blood-red colony reverse pigmentation on most growth media. In addition, the Bromocresol purple (BCP) milk solid glucose agar test can be used to distinguish...
temperatures ranging from 15–37 °C with optimal growth noted at 30–35 °C. On bromocresol purple-milk solids-glucose (BCP-MS-G) agar no hydrolysis was observed...
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