1H-1,2,4-Triazole-3-thiol
1H-1,2,4-Triazole-3-thiol
CAS: 3179-31-5
Molecular Formula: C2H3N3S
1H-1,2,4-Triazole-3-thiol - Names and Identifiers
1H-1,2,4-Triazole-3-thiol - Physico-chemical Properties
| Molecular Formula | C2H3N3S |
| Molar Mass | 101.13 |
| Density | 1.385 (estimate) |
| Melting Point | 221-224°C(lit.) |
| Boling Point | 132.6±23.0 °C(Predicted) |
| Flash Point | 52.3°C |
| Water Solubility | Soluble in hot water. |
| Solubility | H2O: soluble50g/L |
| Vapor Presure | 1.707-1.71Pa at 25℃ |
| Appearance | solid |
| Color | White to Off-White |
| BRN | 107731 |
| pKa | 9.24±0.20(Predicted) |
| PH | 4.0 (85g/l, H2O, 20℃) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Refractive Index | 1.5800 (estimate) |
| Physical and Chemical Properties | White crystals. Melting Point 221-222 °c. |
1H-1,2,4-Triazole-3-thiol - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R36 - Irritating to the eyes R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S33 - Take precautionary measures against static discharges. S39 - Wear eye / face protection. S7/8 - S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 1 |
| RTECS | XZ5267500 |
| FLUKA BRAND F CODES | 10-23 |
| TSCA | Yes |
| HS Code | 29339990 |
| Hazard Note | Irritant |
1H-1,2,4-Triazole-3-thiol - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| application | 3-mercapto -1,2,4-triazole is a white or light yellow crystalline powder substance, which can be used as a pharmaceutical intermediate, photographic developer, antirust additive, etc. |
| use | used as pharmaceutical intermediates, photographic developers, antirust additives, etc. |
Last Update：2024-04-09 15:16:44
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