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CAS 500-85-6

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Phenolindophenol

Description:
Phenolindophenol, also known as phenol red or by its CAS number 500-85-6, is a synthetic organic compound widely used as a pH indicator in various applications, including biological and chemical research. It appears as a dark blue or purple solid and is soluble in water, making it suitable for use in aqueous solutions. The compound exhibits a distinct color change in response to pH variations, transitioning from yellow in acidic conditions to red in neutral to alkaline environments. This property makes it valuable in titrations and as a biological stain. Phenolindophenol is also utilized in the study of redox reactions, as it can act as an electron acceptor. Its stability and sensitivity to pH changes make it a reliable indicator in laboratory settings. However, it is essential to handle this compound with care, as it can be toxic and may pose environmental hazards if not disposed of properly. Overall, phenolindophenol is a versatile chemical with significant applications in both academic and industrial fields.
Formula:C12H9NO2
InChI:InChI=1S/C12H9NO2/c14-11-5-1-9(2-6-11)13-10-3-7-12(15)8-4-10/h1-8,14H
InChI key:InChIKey=RSAZYXZUJROYKR-UHFFFAOYSA-N
SMILES:N(C1=CC=C(O)C=C1)=C2C=CC(=O)C=C2
Synonyms:
  • 2,5-Cyclohexadien-1-one, 4-[(4-hydroxyphenyl)imino]-
  • 4-[(4-Hydroxyphenyl)Imino]Cyclohexa-2,5-Dien-1-One
  • 4-[(4-Hydroxyphenyl)imino]-2,5-cyclohexadien-1-one
  • Benzenoneindophenol
  • N-(4-hydroxyphenyl)-p-benzoquinone monoimine
  • Phenolindophenol
  • Indophenol
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