Phenol red, GR
Buy Phenol red, GR (CAS 143-74-8) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 5 g. Catalogue no. ZX-000682.
About Phenol red, GR
Phenol red, GR is part of the Zemixal stains, Fluorescent Dyes & Histology Reagents range. For your records (AR), the material is defined by CAS 143-74-8, formula C19H14O5S and molar mass 354.4 g/mol. It is described as reddish powder.
Where it is used
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Cell & microbial culture
Handling and storage
Reported physical data: melting point >300 °C. Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.
Standard pack sizes are 5 g, 25 g, 100 g, 1 kg and 5 x 1 kg, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Cell & microbial culture
Applications
Grade guides
Specifications and identifiers
| Product name | Phenol red, GR |
|---|---|
| Catalogue number | ZX-000682 |
| CAS number | 143-74-8 |
| IUPAC name | 4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1lambda6-benzoxathiol-3-yl]phenol |
| Molecular formula | C19H14O5S |
| Molar mass | 354.4 g/mol |
| Exact mass | 354.0562 |
| Grade | AR |
| Physical form | Powder |
| Appearance | Reddish powder |
| Melting point | >300 °C |
| XLogP3 | 3 |
| H-bond donors / acceptors | 2 / 5 |
| Topological polar surface area | 92.2 Ų |
| HS code | 32049000 |
| InChIKey | BELBBZDIHDAJOR-UHFFFAOYSA-N |
| SMILES | C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)O |
| PubChem CID | 4766 |
| Synonyms | Phenolsulfonphthalein, Fenolipuna, Sulfonphthal, Sulphonthal, PSP (indicator), Phenolsulphonphthalein, Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis-, (S,S-dioxide), 3,3-bis(4-hydroxyphenyl)-3H-2,1??-benzoxathiole-1,1-dione, 2-(Bis(4-hydroxyphenyl)methyliumyl)benzenesulfonate, Sulphental, 3,3-Bis(4-hydroxyphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide, Phenolsulfonephthalein |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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
| 5 g | Quoted on request | |
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | Quoted on request | |
| 5 x 1 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 Phenol red, GR
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