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Phenolphthalein Solution, EP Grade, Reagecon™
BIOPHARMA

Product Code. 11414719 Shop All Reagecon Products
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Quantity:
100 mL
Unit Size:
100mL
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Product Code. Quantity Unit Size
11414719 100 mL 100mL
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Product Code. 11414719 Supplier Reagecon Supplier No. 1063702
 Restricted Item
Estimated Shipment: 07-12-2026
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Description

Manufactured according to Eur. Pharm. Chapter 4 (4.1.1) and prepared in an ISO 9001 facility. Phenolphthalein Solution, EP Grade, Reagecon™ is a ready-to-use 0.1g/100mL solution used as an indicator in acid–base titrations. It turns colorless in acidic solutions and red/pink in basic solutions.

Phenolphthalein's common use is as an indicator in acid-base titrations. It also serves as a component of universal indicator, together with methyl red, bromothymol blue and thymol blue. This solution is prepared by dissolving 0.1g phenolphthalein in 80mL alcohol, and diluted to 100mL with water. The solution turns red at pH ≥10, is colorless at ≤8.2 and is pink in between.
  • Manufactured in an ISO 9001-compliant facility according to Eu. Ph. Chapter 4 (4.1.1) guidelines
  • Provided with a certificate of analysis and a label that shows the lot and expiration date
  • Ready to use product eliminates the time and labor of preparing precise reagents and volumetric solutions

Specifications

CAS 77-09-8, 64-17-5, 7732-18-5
Concentration 0.1g per 100mL
Odor Alcohol-like
Packaging Tamper evident
Molecular Formula C20H14O4
Certificate of Analysis Yes
MDL Number MFCD00005913
pH Color Changes Red: pH >10
Colorless: pH <8.2
Pink: 8.2–10
Solvent or Matrix Ethanol, diluted with water
Quantity 100 mL
InChI Key KJFMBFZCATUALV-UHFFFAOYSA-N
Physical Form Liquid
SMILES OC1=CC=C(C=C1)C1(OC(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1
IUPAC Name 3,3-bis(4-hydroxyphenyl)-2-benzofuran-1-one
Molecular Weight (g/mol) 318.33
PubChem CID 4764
ChEBI CHEBI:34914
Formula Weight 318.3g/mol
Grade Eu. Ph. Chapter 4(4.1.1)
Chemical Name or Material 3,3-Bis(4-hydroxyphenyl)-2-benzofuran-1(3H)-one
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Safety and Handling

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Product Identifier
  • PHENOLPHTHALEIN SOLUTION
 Signal Word
  • Danger
 Hazard Category
  • Flammable liquid Category 2
  • Serious eye damage/eye irritation Category 2
 Hazard Statement
  • H225-Highly flammable liquid and vapour.
  • H319-Causes serious eye irritation.
 Precautionary Statement
  • P210-Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P241-Use explosion-proof electrical/ventilating/lighting/ equipment.
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P303+P361+P353-IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
  • P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P501b-Dispose of contents/container in accordance with local/regional/national/international regulations.
 Supplemental information
  • MIXTURE LIST-Contain: ethanol, phenolphthalein
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