173777-89-4 - Names and Identifiers
173777-89-4 - Physico-chemical Properties
Molecular Formula | C4H2Cl2S
|
Molar Mass | 153.03 |
Density | 1.488g/cm3 |
Boling Point | 158.9°C at 760 mmHg |
Flash Point | 59.4°C |
Vapor Presure | 3.33mmHg at 25°C |
Refractive Index | 1.584 |
173777-89-4 - Risk and Safety
Hazard Symbols | T+ - Very toxic
|
Risk Codes | R26/27/28 - Very toxic by inhalation, in contact with skin and if swallowed.
R40 - Limited evidence of a carcinogenic effect
|
Safety Description | S36/37 - Wear suitable protective clothing and gloves.
S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
|
UN IDs | UN 1993 |
173777-89-4 - Introduction
2,5-dichlorothiophene is an organic compound with the chemical structure C4H2Cl2S. It is a colorless crystal with a peculiar smell. The following is a description of some properties, uses, methods and safety information about 2,5-dichlorothiophene:
Nature:
1. Appearance: colorless crystal
2. Molecular Weight: 147.03g/mol
3. Melting Point: 128-131 ° C
4. Boiling point: 290 ° C
5. Density: 1.72 g/cm
Use:
1. 2,5-dichlorothiophene can be used as a reagent for organic synthesis reactions to generate other compounds, such as thioethers and thiones.
2. It can also be used for the preparation of photoelectric materials, such as organic solar cells.
Method:
2,5-dichlorothiophene can be prepared by the halogenated substitution reaction of thiophene. A common method is by chlorination on 2,5-thiophene, using thionyl chloride as solvent and catalyst.
Safety Information:
1. 2,5-dichlorothiophene is a combustible substance and should be kept away from open flames and high temperatures.
2. Use should pay attention to protective measures, such as wearing protective glasses and gloves.
3. Avoid contact with skin, eyes and respiratory tract. If exposed, rinse immediately with plenty of water and seek medical help.
4. In storage and handling, should comply with the relevant safety regulations, avoid mixing with other chemicals.
5. 2,5-dichlorothiophene may cause potential harm to the environment. Attention should be paid to correct disposal methods to avoid discharge into the environment.
Please note that when using and handling 2,5-dichlorothiophene, you should follow strict safety operating procedures, and refer to and comply with relevant safety data sheets and regulations.
Last Update:2024-04-09 15:17:54