| CAS No. | 54965-21-8 | Assay | MIN. 98% | 
| Molecular Formula | C12H15N3O2S | Grade | IP,BP,EP, USP | 
| Molecular Weight | 265.33 g/ mol | Expiry Date: | 5 Years( 60 Months) from date of MFG. | 
| Physical State | Solid Powder | Appearance | White to faintly Yellowish powder | 
| Storage Temp. | AT Ambient Temperature | Density | 1.3 g/cm3 | 
| Sensitive | Moisture Sensitive | ||
| Melting Point | 208⁰ C @ 27mmHg | Solubility | Freely Soluble in anhydrous Formic Acid | 
| Vapor Pressure | 1.5mm Hg at 25⁰ | Refractive Index | 1.634 | 
| Appearance | white to faintly Yellowish powder | 
| Assay (By Potentiometric ) | MIN 98% | 
| Loss on Drying | MAX 0.5% | 
| Solubility | Freely Soluble in anhydrous Formic Acid | 
| Density | 1.3 g/cm3 | 
| Hazard Symbols | GHSO7 : Acute toxicity (oral, dermal, inhalation), category 4
                            Skin irritation, category 2
                            Eye irritation, category 2
                            Skin sensitization, category 1
                            Specific Target Organ Toxicity – Single exposure, category 3![]()  | 
                      
| Risk Codes | R36: Irritating to the eyes. | 
| R37: Irritating to the respiratory system. | |
| R38: Irritating to the Skin. | |
| Safety Description | S24: Avoid Contactwith Skin. | 
| S25: Avoid contact with Eyes. | |
| S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice |