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Safety Information

B5880

Sigma-Aldrich

Bromocresol Purple

Powder

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):
C21H16Br2O5S
CAS Number:
115-40-2
Molecular Weight:
540.22
Beilstein:
359618
EC Number:
204-087-8
MDL number:
MFCD00011681
UNSPSC Code:
12171500
PubChem Substance ID:
24891871
NACRES:
NA.47

product name

Bromocresol Purple, Technical grade

grade

technical grade

Quality Level

200

form

powder

color

gray to light purple

pH

5.2-6.8, yellow to purple

mp

240 °C (dec.) (lit.)

solubility

methanol: 4 mg/mL, orange

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

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General description

Bromocresol purple is a pH indicator. It changes from yellow (5.2) to purple (6.8).

Application

Bromocresol purple has been used as a pH indicator in the yeast culture media. It has been used as a pH indicator in the culture media of Geobacillus stearothermophilus subsp. Calidolactis.
Spectrophotometric determination of serum-albumin

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

B5880-BULK:
B5880-100G:
B5880-25G:
B5880-5G:
B5880-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
SHBP1368
SHBN7605
SHBN1696
MKCG8299
MKCF5145

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Superoxide triggers an acid burst in Saccharomyces cerevisiae to condition the environment of glucose-starved cells.
Baron JA, et al.
The Journal of Biological Chemistry, 288, 4557-4566 (2013)
Sabnis RW
Handbook of Acid-Base Indicators (2007)
Robust experimental design for optimizing the microbial inhibitor test for penicillin detection in milk.
Nagel OG, et al.
Letters in Applied Microbiology, 48, 744-749 (2009)
Munzer Kattan et al.
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine, 69(2), 377-380 (2010-11-27)
Polyvinyl chloride (PVC) dyed with bromocresol purple was investigated as a high-dose radiation dosimeter. The absorbance at 417 nm depends linearly on the dose below 50 kGy. The response depends neither on dose rate nor on the irradiation temperature. The
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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