16691-43-3
3-Amino-5-mercapto-1,2,4-triazole
CAS: 16691-43-3
Molecular Formula: C2H4N4S
16691-43-3 - Names and Identifiers
16691-43-3 - Physico-chemical Properties
| Molecular Formula | C2H4N4S |
| Molar Mass | 116.14 |
| Density | 1.420 (estimate) |
| Melting Point | >300°C(lit.) |
| Boling Point | 201.2±23.0 °C(Predicted) |
| Flash Point | 75.5°C |
| Water Solubility | SOLUBLE IN HOT WATER |
| Solubility | water: soluble25mg/mL, clear, faintly yellow to yellow |
| Vapor Presure | 0.312mmHg at 25°C |
| Appearance | Powder |
| Color | White to light beige |
| BRN | 112404 |
| pKa | 12.57±0.20(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Refractive Index | 1.5605 (estimate) |
| MDL | MFCD00005231 |
| Physical and Chemical Properties | Melting point 300°C WATER-SOLUBLE IN HOT WATER |
| Use | Used as an intermediate of medicine and pesticide |
16691-43-3 - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed R11 - Highly Flammable R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S16 - Keep away from sources of ignition. |
| WGK Germany | 3 |
| RTECS | XZ5357500 |
| FLUKA BRAND F CODES | 13 |
| TSCA | Yes |
| HS Code | 29339990 |
16691-43-3 - Introduction
Dissolve in hot water. Soluble in lye, insoluble in acid, soluble in cold acetone and ethanol
Last Update：2022-10-16 17:14:18
16691-43-3 - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | as an intermediate for medicine and pesticides |
Last Update：2024-04-09 21:04:16
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