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COO/COA

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B5880

Bromocresol Purple

Name: Bromocresol Purple
Brand: SIAL

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

technique(s)

microbe id | staining: suitable

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

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