Thermo Scientific Chemicals Bromocresol Purple

Product Code.	Quantity	unitSize
11474097	10 g	10g
11484097	50 g	50g

Product Code. 11474097 Supplier Thermo Scientific Chemicals Supplier No. A19530.09

Description

CAS: 115-40-2 | C21H16Br2O5S | 540.22 g/mol

It is used as a pH indicator and to measure serum albumin concentrations. It is used as a pH indicator (5.2-6.8 : yellow to blue-purple) and also used in spectrophotometric determination of serum-albumin.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
It is used as a pH indicator and to measure serum albumin concentrations. It is used as a pH indicator (5.2-6.8 : yellow to blue-purple) and also used in spectrophotometric determination of serum-albumin.

Solubility
Insoluble in water. Soluble in ethanol (80 mg/ml), alcohol, methanol (4 mg/ml), methyl cellosolve (300 mg/ml) and dilute alkalies.

Notes
Transition interval: pH 5.2 (yellow) to pH 6.8 (purple)

Specifications

Chemical Identifiers

• CAS: 115-40-2
• Molecular Formula: C21H16Br2O5S
• Molecular Weight (g/mol): 540.22
• MDL Number: MFCD00011681
• InChI Key: ABIUHPWEYMSGSR-UHFFFAOYSA-N
• PubChem CID: 8273
• ChEBI: CHEBI:86154
• IUPAC Name: 2-bromo-4-[3-(3-bromo-4-hydroxy-5-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-6-methylphenol
• SMILES: CC1=CC(=CC(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(Br)=C1

• Melting Point: ∼240°C (decomposition)
• Beilstein: 359618
• Merck Index: 14,1387
• Solubility Information: Insoluble in water. Soluble in ethanol (80mg/ml),alcohol,methanol (4mg/ml),methyl cellosolve (300mg/ml) and dilute alkalies.
• Formula Weight: 540.24
• Quantity: 10 g
• Chemical Name or Material: Bromocresol Purple

Safety and Handling

SDS

RUO – Research Use Only