Phenolphthalein, GR
Buy Phenolphthalein, GR (CAS 77-09-8) from Zemixal: C20H14O4, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-000683.
About Phenolphthalein, GR
Phenolphthalein, GR sits in our stains, Fluorescent Dyes & Histology Reagents section and ships worldwide from stock or short lead time. Key data (AR): CAS 77-09-8, formula C20H14O4 and molar mass 318.3 g/mol. Typical appearance is white to off-white powder.
Common uses in the lab and plant
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Indicator for titrations
Safe handling
Hazard communication follows GHS (Danger: H341 and H350). Our SDS lists exposure controls and first-aid measures.
Available as 100 g, 500 g, 5 kg, 25 kg and 4 x 25 kg. Larger or split packs can be arranged. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Indicator for titrations
Applications
Grade guides
Specifications and identifiers
| Product name | Phenolphthalein, GR |
|---|---|
| Catalogue number | ZX-000683 |
| 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 |
| Grade | AR |
| Purity / assay | ≥99% |
| 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 | 38220090 |
| 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
| 100 g | Quoted on request | |
| 500 g | Quoted on request | |
| 5 kg | Quoted on request | |
| 25 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.
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