Phenolphthalein
Phenolphthalein (CAS 77-09-8), molecular formula C20H14O4, is a high-purity chemical supplied by Tech Serve Solutions for cell biology applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.
- IUPAC
- 3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone
| Molecular weight | 318.32 |
|---|---|
| Empirical formula | C20H14O4 |
| Assay | ≥98.0% |
| Grade | ACS reagent |
| Form | powder |
| Solubility | acetone: soluble |
| pH | 7.8-10.0 |
| Melting point | 261-263 °C(lit.) |
| Concentration | 1 % (w/v) |
| Application | Phenolphthalein is used as a general pH indicator. It is colorless in acidic solutions and turns pink in basic solutions. Phenolphthalein is also used as a model organic compound in the evaluation of the capture efficiency of various cyclodextrin constructs such as nanofiber-CD. |
Hazard statements
- H341Suspected of causing genetic defects
- H350May cause cancer
- H361Suspected of damaging fertility or the unborn child
Precautionary statements
- P201Obtain special instructions before use
- P281Use personal protective equipment as required
- P308IF exposed or concerned
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 45-62-68 |
| Safety statements (S) | 53-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Colour Index Number | 764 |
|---|
Documentation
Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Phenolphthalein?
+
Phenolphthalein (CAS 77-09-8), molecular formula C20H14O4, is a high-purity chemical supplied by Tech Serve Solutions for cell biology applications, to USP, BP and EP standards.
What grades of Phenolphthalein does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Phenolphthalein in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.
What is the CAS number and molecular formula of Phenolphthalein?
+
Phenolphthalein has CAS number 77-09-8 and molecular formula C20H14O4. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Phenolphthalein?
+
Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.
Do you provide a Certificate of Analysis (CoA) with each shipment?
+
Yes. Every batch of Phenolphthalein ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.
How should Phenolphthalein be stored?
+
Store Phenolphthalein in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.
What is Phenolphthalein used for?
+
Phenolphthalein is used in cell biology applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.
How do I request a quote for Phenolphthalein?
+
Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.
▶ Related products
(−)-Curcumol
C15H24O2
Cell Biology
(±) Clopidogrel hydrogensulfate
Cell Biology
(±)-L-Alliin
C6H11NO3S
Cell Biology
(±)-2-Amino-4-phosphonobutyric acid
C4H10NO5P
Cell Biology
(±)-2-Methylarachidonoyl-2′-fluoroethylamide
C23H38NOF
Cell Biology
(±)-3,4-Methylenedioxy-N-ethylamphetamine hydrochloride
Cell Biology
(±)-3,4-Methylenedioxyamphetamine hydrochloride
Cell Biology
(±)-3,4-Methylenedioxymethamphetamine hydrochloride
Cell Biology
