4-Methoxyphenylthiourea
1-(4-methoxyphenyl)-2-thiourea
CAS: 2293-07-4
Molecular Formula: C8H10N2OS
4-Methoxyphenylthiourea - Names and Identifiers
| Name | 1-(4-methoxyphenyl)-2-thiourea |
| Synonyms | 4-Methoxyphenylthiourea 4-METHOXYPHENYLTHIOUREA p-Methoxyphenyl thiourea (4-methoxyphenyl)-thioure N-(4-METHOXYPHENYL)THIOUREA 1-(4-methoxyphenyl)thiourea 1-(4-METHOXYPHENYL)-2-THIOUREA 1-(4-methoxyphenyl)-2-thiourea |
| CAS | 2293-07-4 |
| EINECS | 218-931-8 |
| InChI | InChI=1/C8H10N2OS/c1-11-7-4-2-6(3-5-7)10-8(9)12/h2-5H,1H3,(H3,9,10,12) |
4-Methoxyphenylthiourea - Physico-chemical Properties
| Molecular Formula | C8H10N2OS |
| Molar Mass | 182.24 |
| Density | 1.287±0.06 g/cm3(Predicted) |
| Melting Point | 223-225 °C |
| Boling Point | 311.0±44.0 °C(Predicted) |
| Flash Point | 141.9°C |
| Vapor Presure | 0.00058mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Light yellow to Light orange |
| BRN | 777238 |
| pKa | 13.13±0.70(Predicted) |
| Storage Condition | Room Temprature |
| Refractive Index | 1.677 |
| MDL | MFCD00004936 |
| Physical and Chemical Properties | Solid. The melting point was 212 °c (decomposition). |
| Use | Used as a dye intermediate |
4-Methoxyphenylthiourea - Risk and Safety
| Risk Codes | 23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. |
| Safety Description | S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S38 - In case of insufficient ventilation, wear suitable respiratory equipment. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S28A - S36/37 - Wear suitable protective clothing and gloves. |
| UN IDs | 2811 |
| RTECS | YT6825000 |
| Hazard Note | Irritant |
| Hazard Class | 6.1 |
| Packing Group | II |
4-Methoxyphenylthiourea - Reference Information
| Use | Used as an intermediate in organic synthesis, mainly used in the dye industry. Used as dye intermediate |
| Production method | It is obtained by the addition of p-methoxyaniline hydrochloride and sodium thiocyanate. Add 350L of water to the glass-lined reaction pot, heat to 60 ℃, and add 220kg p-methoxyaniline under stirring to completely dissolve it. Then 220kg of 30% industrial hydrochloric acid was added to make the feed liquid slightly blue to Congo red test paper. After 10min, 166.7kg (calculated as 100%) of sodium thiocyanate was added. Heating, slowly heating to 105 ℃, reflux 24h. Then it is cooled to below 25°C and filtered, the filter cake is washed with water, and dried to obtain 300kg of p-methoxyphenyl thiourea. |
Last Update：2024-04-09 02:00:07
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View History
4-Methoxyphenylthiourea
4-pyrazol-1-ylbenzaldehyde
2-(((2R,3S,5S,6R)
2-溴乙酸苄酯
氨基甲酸胺
(2R,4R)-4-METHYL-2-PIPERIDINECARBOXYLATE
3,5-Dimethoxy
吡啶 盐酸盐
Amyl Acetate (mixed isomers)
TERT-BUTYL N-(3-AMINOPHENYL)-N-METHYLCARBAMATE
4-pyrazol-1-ylbenzaldehyde
2-(((2R,3S,5S,6R)
2-溴乙酸苄酯
氨基甲酸胺
(2R,4R)-4-METHYL-2-PIPERIDINECARBOXYLATE
3,5-Dimethoxy
吡啶 盐酸盐
Amyl Acetate (mixed isomers)
TERT-BUTYL N-(3-AMINOPHENYL)-N-METHYLCARBAMATE