Thermo Scientific Chemicals Phenol Red, Indicator

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: 143-74-8
• Molecular Formula: C19H14O5S
• Molecular Weight (g/mol): 354.38
• MDL Number: MFCD00003552
• InChI Key: BELBBZDIHDAJOR-UHFFFAOYSA-N
• Synonym: Phenolsulfonephthalein
• PubChem CID: 4766
• ChEBI: CHEBI:31991
• SMILES: OC1=CC=C(C=C1)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1

• Melting Point: >300.0°C
• Beilstein: 19, 91
• Merck Index: 15, 7360
• Solubility Information: Solubility in water: 0.77g/L. Other solubilities: soluble in ethanol
• Infrared Spectrum: Authentic
• IUPAC Name: 4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol
• Formula Weight: 354.38
• Grade: Pure
• Packaging: Glass bottle
• Specific Extinction: 1700 (558nm, in buffer) (E (1% min./1cm))
• Visual Transition Interval: from pH 6.8 (yellow) to pH 8.2 (red)
• Color: Beige/Brown to Gray
• Quantity: 100 g
• Physical Form: Crystalline Powder, Crystals, Flakes and/or Chunks
• Chemical Name or Material: Phenol Red

RUO – Research Use Only