| Product name: | N-Hydroxy succinimide | 
| Alias: | 1-Hydroxy-2,5-pyrrolidinedione; N-Hydroxysuccinimide; 1-Hydroxy-2,5-pyrrolidine-dione; HOSu; NHS; HONSU; N-HYDROXY-2,5-PYRROLIDINEDIONE; N-HYDROXYSUCCINIMDE; N-Hydroxysuccinimide POLYMER-BOUND; 1-hydroxy-5-pyrrolidinedione; 1-Hydroxysuccinimide; 5-Pyrrolidinedione,1-hydroxy-2; 1-hydroxypyrrolidine-2,5-dione | 
| CAS NO.: | 6066-82-6 | 
| EINECS NO.: | 228-001-3 | 
| Molecular formula: | C4H5NO3 | 
| Molecular weight: | 115.0874 | 
| InChI: | InChI=1/C4H5NO3/c6-3-1-2-4(7)5(3)8/h8H,1-2H2 | 
| Molecular structure: | ![]()  | 
		
| Density: | 1.649g/cm3 | 
| Melting point: | 93-95℃ | 
| Boiling point: | 262.4°C at 760 mmHg | 
| Flash point: | 112.5°C | 
| Water solubility: | SOLUBLE | 
| Steam pressure: | 0.00155mmHg at 25°C |