1-methylthiourea
N-Methylthiourea
CAS: 598-52-7
Molecular Formula: C2H6N2S
1-methylthiourea - Names and Identifiers
| Name | N-Methylthiourea |
| Synonyms | 1-methylthiourea N-Methylthiourea N-Methyl thiourea 1-methyl-2-thio-pseudoure |
| CAS | 598-52-7 |
| EINECS | 209-936-6 |
| InChI | InChI=1/C2H6N2S/c1-4-2(3)5/h1H3,(H3,3,4,5) |
1-methylthiourea - Physico-chemical Properties
| Molecular Formula | C2H6N2S |
| Molar Mass | 90.15 |
| Density | 1.14g/cm3 |
| Melting Point | 118-123℃ |
| Boling Point | 141.1°C at 760 mmHg |
| Flash Point | 39.1°C |
| Vapor Presure | 5.95mmHg at 25°C |
| Appearance | Form Crystalline Powder, color White to light yellow |
| pKa | 14.98±0.70(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.564 |
| MDL | MFCD00004938 |
| Physical and Chemical Properties | Chemical properties white needle-like or columnar crystal. Melting point 120.5-121 ℃. Soluble in water and alcohol, soluble in acetone, slightly soluble in ether. |
| Use | Uses for organic synthesis. |
1-methylthiourea - Risk and Safety
| Hazard Symbols | T - Toxic |
| Risk Codes | R25 - Toxic if swallowed |
| Safety Description | S24/25 - Avoid contact with skin and eyes. |
| UN IDs | UN 2811 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | YT9000000 |
| HS Code | 29309090 |
| Hazard Class | 6.1 |
| Packing Group | II |
1-methylthiourea - Upstream Downstream Industry
| Raw Materials | Methyl isothiocyanate |
| Downstream Products | METHYL MERCAPTAN Methabenzthiazuron Oxibendazole guanethidine 1,2-Dimethylisothiourea hydriodate |
1-methylthiourea - Introduction
Soluble in alcohol and ether, insoluble in non-polar solvent, solubility: 165g/L water (20°C), 25g/L isopropanol (20°C).
Last Update：2022-10-16 17:26:50
1-methylthiourea - Nature
| BRN | 506162 |
Last Update：2024-04-10 22:29:15
1-methylthiourea - Production method
Add methyl isothiocyanate dropwise to concentrated ammonia water under stirring, add it, and heat to remove excess ammonia. After the reaction mixture was decolorized by activated carbon, methyl thiourea crystals were precipitated by cooling. Yield 74%-81%.
Last Update：2024-04-10 22:29:15
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CAS: 598-52-7
Tel: 17505222756
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Raw Materials for 1-methylthiourea
Downstream Products for 1-methylthiourea