| Name | N-Ethyl-5-phenylisoxazolium-3'-sulfonate |
| Synonyms | NEPIS WOODWARDS REAGENT K WOODWARD'S REAGENT K Woodward's reagent K N-Ethyl-5-phenylisoxazolium-3'-sulfonate N-ETHYL-5-PHENYLISOXAZOLIUM-3'-SULFONATE 2-Ethyl-5-phenylisoxazolium-3'-sulfonate 2-ETHYL-5-PHENYLISOXAZOLIUM-3'-SULPHONEATE 2-ethyl-5-(3-sulfophenyl)-1,2-oxazol-2-ium NEPIS 2-ETHYL-5-PHENYLISOXAZOLIUM-3''-SULFONATE 3-(2-ethyl-1,2-oxazol-2-ium-5-yl)benzenesulfonate Isoxazolium, 2-ethyl-5-(3-sulfophenyl)-, inner salt |
| CAS | 4156-16-5 |
| EINECS | 223-988-7 |
| InChI | InChI=1/C11H11NO4S/c1-2-12-7-6-11(16-12)9-4-3-5-10(8-9)17(13,14)15/h3-8H,2H2,1H3/p+1 |
| Molecular Formula | C11H11NO4S |
| Molar Mass | 253.27 |
| Density | 1.3854 (rough estimate) |
| Melting Point | 216-219°C (dec.) |
| Merck | 10050 |
| BRN | 4149224 |
| Storage Condition | Store at RT. |
| Refractive Index | 1.4790 (estimate) |
| Hazard Symbols | Xn - Harmful![]() |
| Risk Codes | 22 - Harmful if swallowed |
| Safety Description | S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |