P-Tolylthiourea
P-Tolylthiourea
CAS: 622-52-6
Molecular Formula: C8H10N2S
P-Tolylthiourea - Names and Identifiers
| Name | P-Tolylthiourea |
| Synonyms | P-Tolylthiourea P-TOLYLTHIOUREA n-p-tolylthiourea para-Tolylthiourea 1-(P-TOLYL)THIOUREA 2-thio-1-p-tolyl-ure 2-THIO-1-P-TOLYLUREA 4-Methylphenylthiourea 4-METHYLPHENYLTHIOUREA 1-(4-methylphenyl)thiourea N-(4-METHYLPHENYL)THIOUREA 1-(4-METHYLPHENYL)-2-THIOUREA |
| CAS | 622-52-6 |
| EINECS | 210-740-8 |
| InChI | InChI=1/C8H10N2S/c1-6-2-4-7(5-3-6)10-8(9)11/h2-5H,1H3,(H3,9,10,11) |
P-Tolylthiourea - Physico-chemical Properties
| Molecular Formula | C8H10N2S |
| Molar Mass | 166.24 |
| Density | 1.242±0.06 g/cm3(Predicted) |
| Melting Point | 186 °C |
| Boling Point | 282.5±33.0 °C(Predicted) |
| Flash Point | 124.6°C |
| Solubility | almost transparency in hot Methanol |
| Vapor Presure | 0.00335mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Almost white |
| BRN | 2086619 |
| pKa | 13.39±0.70(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.696 |
| MDL | MFCD00041190 |
P-Tolylthiourea - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 25 - Toxic if swallowed |
| Safety Description | S20 - When using, do not eat or drink. S36 - Wear suitable protective clothing. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S60 - This material and its container must be disposed of as hazardous waste. |
| UN IDs | 2811 |
| RTECS | YU3325000 |
| Hazard Note | Irritant |
| Hazard Class | 6.1 |
| Packing Group | III |
P-Tolylthiourea - Introduction
P-Tolylthiourea, also known as P-Tolylthiourea, is an organic compound. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: White or light yellow crystal
-Solubility: Soluble in acids and organic solvents, almost insoluble in water
-Melting point: about 107-109°C
-Molecular formula: C8H10N2S
-Molecular weight: about 166.24g/mol
Use:
P-Tolylthiourea have a variety of uses in the chemical industry, including:
-Adhesive: It can be used as an adhesive in the rubber industry and plays a role in strengthening the adhesive performance in the manufacturing process of rubber products.
-Vulcanization accelerator: It can be used as a rubber vulcanization accelerator to increase the vulcanization speed and strength of rubber materials.
-Chemical reagent: P-Tolylthiourea can be used as catalyst, reducing agent and ligand in organic synthesis.
Preparation Method:
P-Tolylthiourea can be prepared by reacting p-toluidine with thiourea. Specific steps are as follows:
1. Mix p-toluidine and thiourea at a molar ratio of 1:1.
2. The reaction mixture was stirred at room temperature until crystals precipitated.
3. The precipitate is collected and washed, and then the pure product can be obtained by recrystallization.
Safety Information:
- P-Tolylthiourea may be irritating to the human body, direct contact with skin, eyes and respiratory system should be avoided.
-Wear appropriate protective equipment such as gloves, glasses and masks when using the substance.
-Store away from fire and oxidant and in a dry and ventilated place.
-Follow all relevant chemical regulations and take appropriate safety measures when using and handling the substance. In the event of an accident, appropriate first aid measures should be taken immediately and professional medical personnel should be consulted.
Nature:
-Appearance: White or light yellow crystal
-Solubility: Soluble in acids and organic solvents, almost insoluble in water
-Melting point: about 107-109°C
-Molecular formula: C8H10N2S
-Molecular weight: about 166.24g/mol
Use:
P-Tolylthiourea have a variety of uses in the chemical industry, including:
-Adhesive: It can be used as an adhesive in the rubber industry and plays a role in strengthening the adhesive performance in the manufacturing process of rubber products.
-Vulcanization accelerator: It can be used as a rubber vulcanization accelerator to increase the vulcanization speed and strength of rubber materials.
-Chemical reagent: P-Tolylthiourea can be used as catalyst, reducing agent and ligand in organic synthesis.
Preparation Method:
P-Tolylthiourea can be prepared by reacting p-toluidine with thiourea. Specific steps are as follows:
1. Mix p-toluidine and thiourea at a molar ratio of 1:1.
2. The reaction mixture was stirred at room temperature until crystals precipitated.
3. The precipitate is collected and washed, and then the pure product can be obtained by recrystallization.
Safety Information:
- P-Tolylthiourea may be irritating to the human body, direct contact with skin, eyes and respiratory system should be avoided.
-Wear appropriate protective equipment such as gloves, glasses and masks when using the substance.
-Store away from fire and oxidant and in a dry and ventilated place.
-Follow all relevant chemical regulations and take appropriate safety measures when using and handling the substance. In the event of an accident, appropriate first aid measures should be taken immediately and professional medical personnel should be consulted.
Last Update：2024-04-10 22:29:15
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