Dansylamide
Synonym(s):Dansyl amide;DNSA
- CAS NO.：1431-39-6
- Empirical Formula: C12H14N2O2S
- Molecular Weight: 250.32
- MDL number: MFCD00004000
- EINECS: 215-854-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-11-04 17:04:02
What is Dansylamide?
Chemical properties
white to light yellow fine crystalline powder
The Uses of Dansylamide
5-(Dimethylamino)-1-naphthalenesulfonamide (DNSA) was used as starting reagent in the synthesis of 2,6-disubstituted pyridines, 6-substituted 2,2′-bipyridines and 6,6′-disubstituted 2,2′-bipyridines. It was also used as fluorescent probe in the determination of concentration of human carbonic anhydrase II-DNSA in solutions.
Properties of Dansylamide
| Melting point: | 218-221 °C(lit.) |
| Boiling point: | 435.4±37.0 °C(Predicted) |
| Density | 1.2391 (rough estimate) |
| refractive index | 1.5950 (estimate) |
| storage temp. | −20°C |
| solubility | soluble in Dimethylformamide |
| pka | 10.29±0.30(Predicted) |
| form | Fine Crystalline Powder |
| color | White to light yellow |
| BRN | 2217203 |
| CAS DataBase Reference | 1431-39-6 |
Safety information for Dansylamide
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Dansylamide
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