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Phenolphthalein

Phenolphthalein

CAS Number: 77-09-8

Molecular Formula: C20H14O4

Purity: Phenolphthalein 99.90%

About Phenolphthalein

Phenolphthalein (CAS 77-09-8) is widely utilized across North American analytical testing laboratories and industrial manufacturing as a critical pH indicator and specialized chemical synthesis building block, playing a crucial role in acid-base titrations and diagnostic reagent formulations. 3,3-Bis(4-hydroxyphenyl)is...

Synonyms

  • Ap-La-Day
  • Ex-Lax
  • Feen-A-Mint
  • Laxatone
  • Laxettes
View all

Phenolphthalein Specifications

CAS Number
77-09-8
Molecular Formula
C20H14O4
Molecular Weight
318.32 g/mol
IUPAC Name
3,3-bis(4-hydroxyphenyl)-2-benzofuran-1-one
HSN No
29322020
Molecular Weight
318.32 g/mol
Purity
Phenolphthalein 99.90%

Acid-Base Indicator

An essential visual reagent used for detecting endpoints in acid-base titrations and determining pH levels in laboratory, industrial, and water treatment settings

Polymer and Materials Science

A key precursor and monomer utilized in the synthesis of high-performance polyaryletherketone resins, functional polymers, and smart chromic materials

Forensic Analysis

A crucial reagent component employed in the Kastle-Meyer colorimetric test for detecting the presence of blood

Industrial Process Control

A reliable monitoring tool used in concrete testing for evaluating carbonation depth and managing alkalinity in chemical manufacturing

  1. Ap-La-Day
  2. Ex-Lax
  3. Feen-A-Mint
  4. Laxatone
  5. Laxettes

Phenolphthalein FAQs

Minimum Order Quantity

25 kg (evaluation) · 1 MT (commercial)

Lead Time

3 – 5 weeks estimated

Delivery Terms

FOB*

Packaging

20 L pails, 200 L HDPE drums, 1000 L IBC

US Availability

US Facility Inventory

Documentation

US SDS · COA · TDS · Specification sheet

US Regulatory & Quality Information

TSCA status*

US SDS / HazCom*

GHS classification*

ISO 9001:2015 site*

DOT shipping classification*

FDA status*

EPA status*

California Prop 65*

Reliable US supply chain

Regulatory compliance

On-time delivery

Technical expert support

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