Phenolphthalein
TL;DR: Phenolphthalein (CAS 77-09-8) is a chemical compound with molecular formula C20H14O4 and molecular weight 318.0892 g/mol, supplied by CoreyChem (Career Henan Chemical Co., Ltd.) with ISO-certified quality and global shipping.
3,3-bis(4-hydroxyphenyl)-2-benzofuran-1-one
Also Known As: phenolphthalein, Phthalimetten, Euchessina, Phenolax, Phthalin
Application Areas
Top 5 of 22 IPC patent classification(s) from the SureChEMBL global patent database.
Technical Specifications
| Molecular Formula | C20H14O4 |
| Molecular Weight | 318.0892 g/mol |
| XLogP | 3.6 |
| Topological Polar Surface Area (TPSA) | 66.8 Ų |
| Hydrogen Bond Donors | 2 |
| Hydrogen Bond Acceptors | 4 |
| Rotatable Bonds | 2 |
| Exact Mass | 318.0892 Da |
| Heavy Atoms | 24 |
| Complexity | 438.0 |
| Melting Point | 496 to 504 °F (NTP, 1992) |
| Density | 1.299 at 77 °F (NTP, 1992) - Denser than water; will sink |
| Vapor Pressure | 6.7X10-13 mm Hg @ 25 °C /Estimated/ |
| Solubility | less than 1 mg/mL at 66 °F (NTP, 1992) |
| SMILES | C1=CC=C2C(=C1)C(=O)OC2(C3=CC=C(C=C3)O)C4=CC=C(C=C4)O |
| InChIKey | KJFMBFZCATUALV-UHFFFAOYSA-N |
Product Description
Applications: Phenolphthalein is used in polymer chemistry and functional materials synthesis, as well as pharmaceutical synthesis routes and API production. It commonly serves as a versatile building block for organic synthesis. Available from CoreyChem as both catalog item and custom-synthesis project (mg to ton scale), with full analytical documentation (COA, MSDS, HPLC, NMR, MS).
A polymer intermediate supplied by CoreyChem, Phenolphthalein (CAS 77-09-8) has the molecular formula C20H14O4 and a molecular weight of 318.09 g/mol. Reported properties include a density of 1.299 at 77 °F (NTP, 1992) - Denser than water; will sink g/cm³, a solubility: less than 1 mg/mL at 66 °F (NTP, 1992). Synonyms include phenolphthalein and Phthalimetten.
Custom synthesis and full analytical documentation (COA/MSDS) are available from CoreyChem. Request a quotation with your required quantity and purity for current lead time and pricing.
Chemical Property Profile of Phenolphthalein
Property Insights of Phenolphthalein
The XLogP value of 3.6 indicates that Phenolphthalein is lipophilic (fat-soluble), which may influence its absorption, distribution, and formulation strategy. The TPSA of 66.8 Ų falls within the moderate polarity range, balancing permeability and solubility for Phenolphthalein. Following Lipinski's Rule of Five, Phenolphthalein has 2 hydrogen bond donor(s) and 4 hydrogen bond acceptor(s), all within the drug-like range, suggesting favorable oral bioavailability potential.
Frequently Asked Questions
What is the CAS number of Phenolphthalein?
The CAS number of Phenolphthalein is 77-09-8.
What is the molecular formula of Phenolphthalein?
The molecular formula of Phenolphthalein is C20H14O4.
What is the molecular weight of Phenolphthalein?
The molecular weight of Phenolphthalein is 318.0892 g/mol.
What are the applications of Phenolphthalein?
Phenolphthalein is used in polymer chemistry and functional materials synthesis, as well as pharmaceutical synthesis routes and API production. It commonly serves as a versatile building block for organic synthesis. Available from CoreyChem as both catalog item and custom-synthesis project (mg...
Where can I buy Phenolphthalein?
You can request a quote for Phenolphthalein directly from CoreyChem. Contact us or email [email protected] for pricing and availability.
Does CoreyChem offer custom synthesis for Phenolphthalein?
Yes, CoreyChem provides custom synthesis services for Phenolphthalein and related compounds. Contact us with your specific requirements including quantity, purity, and timeline.
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