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CAS 123333-64-2

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CHLOROPHENOL RED SODIUM SALT

Description:
Chlorophenol Red Sodium Salt is a synthetic organic compound commonly used as a pH indicator due to its ability to change color in response to varying pH levels. It typically exhibits a color transition from yellow in acidic conditions to red in alkaline environments, making it useful in various analytical applications, including titrations and biological assays. This compound is soluble in water, which enhances its utility in aqueous solutions. Chlorophenol Red Sodium Salt is often employed in laboratory settings, particularly in microbiology and biochemistry, to monitor pH changes in culture media. Its chemical structure includes a phenolic group, which contributes to its acidic properties, and a sulfonate group that enhances solubility. Safety data indicates that while it is generally considered low in toxicity, appropriate handling and safety measures should be observed to avoid potential irritation. As with all chemical substances, proper storage and disposal protocols should be followed to minimize environmental impact.
Formula:C19H11Cl2O5S
InChI:InChI=1/C19H12Cl2O5S/c20-14-9-11(5-7-16(14)22)19(12-6-8-17(23)15(21)10-12)13-3-1-2-4-18(13)27(24,25)26/h1-10,22H,(H,24,25,26)/p-1/b19-12-
SMILES:c1ccc(c(c1)/C(=C\1/C=CC(=O)C(=C1)Cl)/c1ccc(c(c1)Cl)[O-])S(=O)(=O)O
Synonyms:
  • Chlorophenol Red, Water Soluble
  • Dichlorophenolsulfonephthalein, Sodium Salt
  • 3',3'-Dichlorophenolsulfonephthalein Sodium Salt
  • 3',3'-Dichlorophenolsulfonphthalein Sodium Salt
  • Dichlorophenol Sulfonaphthalein
  • Chlorophenol Red sodium salt, 0.04% w/v aq. soln.
  • Chlorophenol Red, Sodium Salt, Water Soluble, Pure
  • 2-[(Z)-(3-chloro-4-hydroxyphenyl)(3-chloro-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate
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