An acid-base indicator
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p-Rosolic Acid

Item No. 44935

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
4-[bis(4-hydroxyphenyl)methylene]-2,5-cyclohexadien-1-one
CAS Number
603-45-2
Synonyms
  • Aurin
  • para-Rosolic Acid
Molecular Formula
C19H14O3
Formula Weight
290.3
Formulation (Request formulation change)
A solid
Solubility(Learn about Variance in Solubility)
DMSO: Sparingly soluble: 1-10 mg/mlEthanol: Sparingly soluble: 1-10 mg/ml
SMILES
OC1=CC=C(/C(C2=CC=C(O)C=C2)=C(C=C3)\C=CC3=O)C=C1
InChi Code
InChI=1S/C19H14O3/c20-16-7-1-13(2-8-16)19(14-3-9-17(21)10-4-14)15-5-11-18(22)12-6-15/h1-12,20-21H
InChi Key
FYEHYMARPSSOBO-UHFFFAOYSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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Certificates of Analysis & Batch Specific Data

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    1 g

    $35

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    5 g

    $158

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    Product Description

    p-Rosolic acid is an acid-base indicator.1 It is yellow in color below and red in color above its transition range between pH 6.6 and 8.0.

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Shokrollahi, A., Gohari, M., and Ebrahimi, F. Determination of acidity constants of p-rosolic acid and bromoxylenol blue by solution scanometric method. Anal. Bioanal. Chem. Res. 5(1), 67-79 (2018).