Phenolphthalein, indicator, 98%+
Phenolphthalein, indicator, 98%+ (CAS 77-09-8) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-000684.
About Phenolphthalein, indicator, 98%+
Researchers and plant chemists source Phenolphthalein, indicator, 98%+ from Zemixal for routine and specialised work. Identity at a glance (≥98%): CAS 77-09-8, formula C20H14O4 and molar mass 318.3 g/mol. Typical appearance is white to off-white powder.
Use cases we see most often
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Analytical determinations
Storage and safety notes
Hazard communication follows GHS (Danger: H341 and H350). Our SDS lists exposure controls and first-aid measures.
Standard pack sizes are 50 g, 100 g, 500 g, 5 kg and 4 x 25 kg, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Analytical determinations
Applications
Specifications and identifiers
| Product name | Phenolphthalein, indicator, 98%+ |
|---|---|
| Catalogue number | ZX-000684 |
| CAS number | 77-09-8 |
| IUPAC name | 3,3-bis(4-hydroxyphenyl)-2-benzofuran-1-one |
| Molecular formula | C20H14O4 |
| Molar mass | 318.3 g/mol |
| Exact mass | 318.0892 |
| Purity / assay | ≥98% |
| Physical form | Powder |
| Appearance | White to off-white powder |
| XLogP3 | 3.6 |
| H-bond donors / acceptors | 2 / 4 |
| Topological polar surface area | 66.8 Ų |
| HS code | 29322090 |
| InChIKey | KJFMBFZCATUALV-UHFFFAOYSA-N |
| SMILES | C1=CC=C2C(=C1)C(=O)OC2(C3=CC=C(C=C3)O)C4=CC=C(C=C4)O |
| PubChem CID | 4764 |
| Synonyms | 3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone, Phthalin, Koprol, Spulmako-lax, Dihydroxyphthalophenone, Phenolphtaleine, Correctol, Laxin, 3,3-Bis(4-hydroxyphenyl)phthalide, Fenolftalein, 1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxyphenyl)-, 3,3-Bis(p-hydroxyphenyl)phthalide |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H341Suspected of causing genetic defects
- H350May cause cancer
Precautionary statements P203, P280, P318, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 50 g | Quoted on request | |
| 100 g | Quoted on request | |
| 500 g | Quoted on request | |
| 5 kg | Quoted on request | |
| 4 x 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Phenolphthalein, indicator, 98%+
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Other grades with CAS 77-09-8
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