Thermo Scientific Chemicals Bromocresol Purple, pure, indicator grade

Product Code	Brand	Quantity	Packaging
10295570	Thermo Scientific Chemicals 151330050	5 g	Glass bottle
10347660	Thermo Scientific Chemicals 151330250	25 g	Glass bottle
15760809	Thermo Scientific Chemicals 151331400	140 g	Glass bottle
11926801	Thermo Scientific Chemicals 151330010	1 kg	Glass bottle

Description

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

Indicator

Chemical Identifiers

• CAS: 115-40-2
• Molecular Weight (g/mol): 540.22
• InChI Key: ABIUHPWEYMSGSR-UHFFFAOYSA-N
• PubChem CID: 8273
• SMILES: CC1=CC(=CC(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(Br)=C1

• Molecular Formula: C21H16Br2O5S
• MDL Number: MFCD00011681
• Synonym: Bromcresol Purple, BCP, 5', 5''-Dibromo-o-cresolsulfonephthalein
• ChEBI: CHEBI:86154

Specifications

• Absorbance: (20 mg/L in methanol) Complies, (20 mg/L in methanol) Complies at 0nm
• CAS: 115-40-2
• MDL Number: MFCD00011681
• Solubility Information: Solubility in water: practically insoluble. Other solubilities: 75g/L in ethanol (20°C)
• Infrared Spectrum: Authentic
• IUPAC Name: 3,3-bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione
• PubChem CID: 8273
• Formula Weight: 540.21
• Visual Transition Interval: from pH 5.2 (yellow) to pH 6.8 (purple)
• Physical Form: Powder

• Melting Point: 245.0°C
• Molecular Formula: C21H16Br2O5S
• Synonym: Bromcresol Purple, BCP, 5', 5''-Dibromo-o-cresolsulfonephthalein
• InChI Key: ABIUHPWEYMSGSR-UHFFFAOYSA-N
• SMILES: CC1=CC(=CC(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(Br)=C1
• Molecular Weight (g/mol): 540.22
• ChEBI: CHEBI:86154
• Grade: Pure
• Color: Pink or Salmon
• Chemical Name or Material: Bromocresol Purple

RUO – Research Use Only