邻甲基苯基硫脲
o-Tolylthiourea
CAS: 614-78-8
Molecular Formula: C8H10N2S
邻甲基苯基硫脲 - Names and Identifiers
| Name | o-Tolylthiourea |
| Synonyms | o-Tolylthiourea 2-tolylthiourea n-(o-tolyl)thiourea N-(o-Tolyl)thiourea ortho-Tolylthiourea 2-thio-1-o-tolyl-ure 1-o-Tolyl-2-thiourea (2-methylphenyl)thiourea (2-methylphenyl)-thioure 1-(2-methylphenyl)thiourea Thiourea, (2-methylphenyl)- 1-(2-Methylphenyl)-2-thiourea |
| CAS | 614-78-8 |
| EINECS | 210-395-3 |
| InChI | InChI=1/C8H10N2S/c1-6-4-2-3-5-7(6)10-8(9)11/h2-5H,1H3,(H3,9,10,11) |
邻甲基苯基硫脲 - Physico-chemical Properties
| Molecular Formula | C8H10N2S |
| Molar Mass | 166.24 |
| Density | 1.1332 (rough estimate) |
| Melting Point | 149 °C |
| Boling Point | 275.5°C at 760 mmHg |
| Flash Point | 120.4°C |
| Vapor Presure | 0.00506mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Almost white |
| BRN | 2086802 |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.5500 (estimate) |
| MDL | MFCD00041162 |
| Physical and Chemical Properties | O-methylphenylthiourea pure white crystals, industrial products for white or reddish powder or granular crystals, m.p.161 ~ 162 ℃, insoluble in water, with bitter taste, soluble in concentrated sulfuric acid, chloroform, ethanol, methanol and so on. |
邻甲基苯基硫脲 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 - Do not breathe dust. 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 | 2811 |
| RTECS | YU2975000 |
| TSCA | Yes |
| Hazard Class | 6.1 |
| Packing Group | III |
邻甲基苯基硫脲 - Reference Information
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | O-methylphenylthiourea is an intermediate of the fungicide tricyclazole. |
| production method | the preparation method is in the enamel reactor, put into the prepared ammonium thiocyanate solution, put into o-toluidine under stirring, after cooling the material to the specified temperature, add the concentrated sulfuric acid in the specified temperature range to pH = 2, then raise the temperature in stages, keep the temperature for 30H, and add water to dilute it twice at the same temperature, after cooling, washing, vacuum filtration, drying to obtain the finished product. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 02:00:10
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