Thermo Scientific Chemicals Bromocresol Purple, pure, indicator grade

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

Specifications

Chemical Identifiers

• CAS: 115-40-2
• Molecular Formula: C21H16Br2O5S
• Molecular Weight (g/mol): 540.22
• MDL Number: MFCD00011681
• InChI Key: ABIUHPWEYMSGSR-UHFFFAOYSA-N
• Synonym: Bromcresol Purple, BCP, 5', 5''-Dibromo-o-cresolsulfonephthalein
• PubChem CID: 8273
• ChEBI: CHEBI:86154
• SMILES: CC1=CC(=CC(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(Br)=C1

• Absorbance: (20 mg/L in methanol) Complies, (20 mg/L in methanol) Complies at 0nm
• Melting Point: 245.0°C
• 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
• Formula Weight: 540.21
• Grade: Pure
• Packaging: Glass bottle
• Visual Transition Interval: from pH 5.2 (yellow) to pH 6.8 (purple)
• Color: Pink or Salmon
• Quantity: 25 g
• Physical Form: Powder
• Chemical Name or Material: Bromocresol Purple

RUO – Research Use Only