1-Phenyl-3-methylthiourea
1-Methyl-3-phenyl-2-thiourea
CAS: 2724-69-8
Molecular Formula: C8H10N2S
1-Phenyl-3-methylthiourea - Names and Identifiers
| Name | 1-Methyl-3-phenyl-2-thiourea |
| Synonyms | 1-Phenyl-3-methylthiourea 1-Methyl-3-phenylthiourea n-methyl-n'-phenyl-thioure N-Phenyl-N'-methylthiourea 1-Methyl-3-phenyl-thiourea Thiourea,N-methyl-N'-phenyl- 1-methyl-3-phenyl-2-thio-ure 1-Methyl-3-phenyl-2-thiourea 1-Methyl-3-phenylthiocarbamide |
| CAS | 2724-69-8 |
| InChI | InChI=1/C8H10N2S/c1-9-8(11)10-7-5-3-2-4-6-7/h2-6H,1H3,(H2,9,10,11) |
1-Phenyl-3-methylthiourea - Physico-chemical Properties
| Molecular Formula | C8H10N2S |
| Molar Mass | 166.24 |
| Density | 1.194g/cm3 |
| Melting Point | 113°C |
| Boling Point | 247.4°C at 760 mmHg |
| Flash Point | 103.4°C |
| Vapor Presure | 0.0257mmHg at 25°C |
| Storage Condition | Room Temprature |
| Refractive Index | 1.659 |
| Physical and Chemical Properties | Chemical quality This product is flake crystal, m.p.113 ℃, soluble in ethanol and ether, soluble in water. |
| Use | Use 1-methyl -3-phenyl thiourea can be used to prepare 2-methylaminobenzothiazole, an intermediate of the herbicide methylbenzuron. |
1-Phenyl-3-methylthiourea - Risk and Safety
| Risk Codes | 36/37/38 - 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. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN 2811 6.1/PG III |
1-Phenyl-3-methylthiourea - Upstream Downstream Industry
1-Phenyl-3-methylthiourea - Nature
| acidity coefficient (pKa) | 13.42±0.70(Predicted) |
| NIST chemical information | Thiourea, N-methyl-N'-phenyl-(2724-69-8) |
| EPA chemical information | N-Methyl-N'-phenylthiourea (2724-69-8) |
Last Update：2024-04-10 22:29:15
1-Phenyl-3-methylthiourea - Production method
The preparation method is to add sodium carbonate solution to the reactor, add the carbon disulfide solution of aniline to the reactor, and control the reaction temperature at 40-50°C to generate aniline sodium dithioformate (PhNHCS2Na), and then Add methylamine solution, and continuously stir to obtain crystallization, filter and wash to obtain the finished product.
Last Update：2024-04-10 22:29:15
1-Phenyl-3-methylthiourea - Security information
| RTECS number | YT8750000 |
| HazardClass | IRRITANT |
| PackingGroup | III |
Last Update：2024-04-10 22:29:15
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CAS: 2724-69-8
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CAS: 2724-69-8
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CAS: 2724-69-8
Tel: 18301782025
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View History
Raw Materials for 1-Phenyl-3-methylthiourea
Methylamine
Sodium formate
5H-Tetrazole-5-thione, 1,4-dihydro-1-methyl-4-phenyl-
N-Methylhydroxylamine
1-(METHYLDITHIOCARBONYL)IMIDAZOLE
Aniline
Sodium formate
5H-Tetrazole-5-thione, 1,4-dihydro-1-methyl-4-phenyl-
N-Methylhydroxylamine
1-(METHYLDITHIOCARBONYL)IMIDAZOLE
Aniline
Downstream Products for 1-Phenyl-3-methylthiourea