2,7-Dichlorofluoresceine
2,7-Dichlorofluoresceine (CAS 76-54-0) supplier Zemixal. Request a quote with price, lead time and documents. Exported from India with full paperwork.
About 2,7-Dichlorofluoresceine
Researchers and plant chemists source 2,7-Dichlorofluoresceine from Zemixal for routine and specialised work. Identity at a glance (AR): CAS 76-54-0, formula C20H10Cl2O5 and molar mass 401.2 g/mol. Expect orange to red-brown powder.
Where it is used
- Enzymatic assays
- Enzyme inhibition studies
- Protein research
- Indicator for titrations
Safe handling
Physical constants on file: melting point 280 °C. It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation. For transport it ships as UN UN 1219.
Standard pack sizes are 5 g, 10 g, 100 g and 1 kg, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Enzymatic assays
- Enzyme inhibition studies
- Protein research
- Indicator for titrations
Applications
Grade guides
Specifications and identifiers
| Product name | 2,7-Dichlorofluoresceine |
|---|---|
| Catalogue number | ZX-002589 |
| CAS number | 76-54-0 |
| IUPAC name | 2',7'-dichloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one |
| Molecular formula | C20H10Cl2O5 |
| Molar mass | 401.2 g/mol |
| Exact mass | 399.9905 |
| Grade | AR |
| Physical form | Powder |
| Appearance | Orange to red-brown powder |
| Melting point | 280 °C |
| XLogP3 | 4.7 |
| H-bond donors / acceptors | 2 / 5 |
| Topological polar surface area | 76 Ų |
| HS code | 32049000 |
| UN number | UN 1219 |
| InChIKey | VFNKZQNIXUFLBC-UHFFFAOYSA-N |
| SMILES | C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)Cl)O)O)Cl |
| PubChem CID | 64944 |
| Synonyms | 2',7'-Dichlorofluorescein, 2',7'-dichloro-3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one, Fluorescein 27, Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 2',7'-dichloro-3',6'-dihydroxy-, Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 2',7'-dichloro-3',6'-dihydroxy-, 2',7'-dichlorofluorescin, 2,7-Dichlorofluorescein, 2',7'-Dichloro-3',6'-dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one, Spiro[isobenzofuran-1(3H),9'-[9h]xanthen]-3-one,2',7'-dichloro-3',6'-dihydroxy-, 2',7'-Dichlorofluorescein [Fluorescent indicator], 2',7'-bis(chloranyl)-3',6'-bis(oxidanyl)spiro[2-benzofuran-3,9'-xanthene]-1-one, 11,16-dichloro-12,15-dihydroxyspiro[3-hydroisobenzofuran-3,9'-xanthene]-1-one |
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 | |
| 10 g | Quoted on request | |
| 100 g | Quoted on request | |
| 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 2,7-Dichlorofluoresceine
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