Description N-Hydroxysuccinimide (NHS) is an organic compound with the formula C4H5NO3. Being slightly acidic, it is an irritant to skin, eyes and mucous membranes. Basic Info Chemical Name N-Hydroxysuccinimide Synonyms 1-hydroxypyrrolidine-2,5-dione; 2,5-Pyrrolidinedione, 1-hydroxy-; CAS No. 6066-82-6 Molecular Formula C4H5NO3 Molecular Weight 115.08700 PSA 57.61000 LogP -0.53750 Properties Appearance & Physical State white to pale yellow Density 1.649g/cm3 Boiling Point 262.4ºC at 760 mmHg Melting Point 93-95ºC Flash Point 112.5ºC Refractive Index 1.599 Water Solubility SOLUBLE Stability Stable. Incompatible with strong oxidizing agents, acid chlorides, acid anhydrides, strong bases. Protect from moisture. Storage Condition 2-8ºC |