Bromocresol green - Wikipedia
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.
Bromocresol green | C21H14Br4O5S | CID 6451 - PubChem
Bromocresolgreen is a member of benzofurans. An indicator and reagent. It has been used in serum albumin determinations and as a pH indicator. See also: BCG vaccine (USP) (annotation moved to). 2,6-dibromo-4- [3- (3,5-dibromo-4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1λ 6 -benzoxathiol-3-yl]-3-methylphenol. C21H14Br4O5S.
Acid-Base Indicators - Chemistry LibreTexts
Indicator pH Change Color Change Preparation; Methyl Violet: 0.0 - 1.6: yel to bl: 0.01- 0.05 % in water: Crystal Violet: 0.0 - 1.8: yel to bl: 0.02% in water: ... m - cresol - sulfonephthalein (Bromocresol Green) 3.8 - 5.4: yel to blue: 0.1 g in 14.3 ml 0.01 M NaOH + 235.7 ml water: Resazurin: 3.8 - 6.4: or to vt: water: 4 - Phenylazo - l ...
How to Make Bromocresol Green Indicator - ThoughtCo
2018年12月3日 · Bromocresol green is a pH indicator that is yellow below pH 3.8 and blue over pH 5.4. Between pH 3.8 and 5.4 it is green. The indicator is made from bromocresol green powder dissolved in ethanol. Bromocresol green is most often used for electrophoresis, titration, and in microbial growth media.
17.3: Acid-Base Indicators - Chemistry LibreTexts
2023年7月12日 · Both methyl orange and bromocresol green change color in an acidic pH range, while phenolphtalein changes in a basic pH. The existence of many different indicators with different colors and pKin values also provides a convenient way to estimate the pH of a solution without using an expensive electronic pH meter and a fragile pH electrode.
Bromocresol green CAS 76-60-8 | 108121 - Merck
Bromocresol green CAS 76-60-8 indicator ACS,Reag. Ph Eur - Find MSDS or SDS, a COA, data sheets and more information.
Bromocresol Green - Thermo Fisher Scientific
Bromocresol Green is a pH sensitive indicator used in the growth medium for microorganisms and titrations. It is useful in various colorimetric detection studies and as an actively tracking dye for DNA agarose gel electrophoresis. It acts as an inhibitor of prostaglandin E 2 transport protein.
How to Make Bromocresol Green Indicator Solution - Science …
2020年4月22日 · Bromocresol green or BCG is a triphenylmethane dye used as a pH indicator for titration, microbial growth media, and DNA agarose gel electrophoresis. However, its most common use is to measure blood serum albumin levels in humans and other mammals when liver or kidney disease is suspected.
Bromocresol Green Indicator, 0.04% w/v, Reagents - Fisher Sci
Bromocresol Green Indicator, 0.04% w/v, Reagent, for general laboratory use. Manufactured in ISO 9001 facility. Due to product restrictions, please Sign In to purchase or view availability for this product.
Bromocresol Green pH Indicator - Preparation, Formula, Uses
Bromocresol green (BCG) is a dye that is used in chemistry as a pH indicator in acid-base titration and in thin-layer chromatography staining solutions to visualize acidic compounds. The aqueous indicator solution of bromocresol green is yellow below pH 3.8 and blue above pH 5.4.