NSC 523950 - Names and Identifiers
Name | 3,5-Dichlorophenylthiourea
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Synonyms | NSC 523950 3,5-DICHLOROPHENYLTHIOUREA 3,5-Dichlorophenylthiourea 1-(3,5-dichlorophenyl)thiourea 1-(3,5-Dichlorophenyl)thiourea Thiourea, N-(3,5-dichlorophenyl)- 1-(3,5-DICHLOROPHENYL)-2-THIOUREA
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CAS | 107707-33-5
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EINECS | 000-000-0 |
InChI | InChI=1/C7H6Cl2N2S/c8-4-1-5(9)3-6(2-4)11-7(10)12/h1-3H,(H3,10,11,12) |
NSC 523950 - Physico-chemical Properties
Molecular Formula | C7H6Cl2N2S
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Molar Mass | 221.11 |
Density | 1.563 |
Melting Point | 177-179°C |
Boling Point | 323.3±52.0 °C(Predicted) |
Flash Point | 149.3°C |
Vapor Presure | 0.000265mmHg at 25°C |
Appearance | Solid |
BRN | 3257049 |
pKa | 12.09±0.70(Predicted) |
Storage Condition | Room Temprature |
Refractive Index | 1.73 |
MDL | MFCD00041168 |
NSC 523950 - Risk and Safety
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.
R36 - Irritating to the eyes
R25 - Toxic if swallowed
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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.
S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S36 - Wear suitable protective clothing.
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UN IDs | 2811 |
HS Code | 29309090 |
Hazard Class | IRRITANT |
NSC 523950 - Introduction
3,5-Dichlorophenylthiourea is an organic compound with the chemical formula C6H4Cl2N2S. The following is a description of the properties, uses, preparation and safety information of the compound:
Nature:
-Appearance: 3,5-Dichlorophenylthiourea is a white crystalline or crystalline powder solid.
-Melting point: about 145-147 degrees Celsius.
-Solubility: The compound is almost insoluble in water, but can be dissolved in some organic solvents such as ethanol and dichloromethane.
-Chemical reaction: 3,5-dichlorophenylthiourea can undergo sulfite formation reaction in the presence of strong alkali.
Use:
-Pesticide: 3,5-dichlorophenyl thiourea is widely used as an intermediate of pesticides and herbicides, and has a good control effect on some weeds and pests.
-Medical research: Due to the special properties of its chemical structure, 3,5-dichlorophenylthiourea can be used to synthesize other organic compounds, so it also has certain applications in the field of medical research.
Preparation Method:
The preparation method of 3,5-dichlorophenyl thiourea can be achieved by chlorination of chlorophenyl thiourea. The specific preparation method is as follows:
1. Dissolve chlorophenylthiourea in a mixed solution of ferrous chloride and sodium chloride.
2. at low temperature, slowly add chlorine, continuous chlorination reaction.
3. After completion of the reaction, the solid product was filtered, washed with water, and finally purified by crystallization.
Safety Information:
- 3,5-Dichlorophenylthiourea is a toxic substance and care should be taken to avoid contact with skin, eyes and respiratory tract. Appropriate personal protective equipment such as gloves, goggles and masks should be worn during handling.
-When storing, it should be stored in a dry, cool place, away from fire and flammable materials.
-If exposure or inhalation occurs, seek help from a doctor immediately and provide detailed information about the compounds described in this article.
Last Update:2024-04-09 02:00:41