| Molecular Formula | C6H8N2S |
| Molar Mass | 140.21 |
| Density | 1.142g/mLat 25°C(lit.) |
| Boling Point | 105-110°C20mm Hg(lit.) |
| Flash Point | >230°F |
| JECFA Number | 795 |
| Water Solubility | Partly soluble in water, soluble in most organic solvents. |
| Vapor Presure | 0.0569mmHg at 25°C |
| Appearance | clear liquid |
| Color | White to Yellow to Green |
| pKa | 9.82±0.10(Predicted) |
| Storage Condition | Inert atmosphere,2-8°C |
| Refractive Index | n20/D 1.567(lit.) |
| Hazard Symbols | T - Toxic![]() |
| Risk Codes | R25 - Toxic if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 2810 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | KJ2551000 |
| TSCA | Yes |
| HS Code | 29339900 |
| Hazard Class | 6.1 |
| Packing Group | III |
| FEMA | 3230 | PYRAZINE ETHANETHIOL |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | 2-(2-mercaptoethyl) pyrazine is an important raw material and intermediate, used in organic synthesis, medicine, pesticide, petrochemical industry and dye, used as flavoring agent with sulfur flavor and meat flavor. |
| toxicity | GRAS(FEMA). |
| usage limit | FEMA: beverages, cold drinks, baked products, all 10.0 mg/kg. |