351983-31-8
5-Chloro-2-thiophenecarboxylic acid hydrazide
CAS: 351983-31-8
Molecular Formula: C5H5ClN2OS
351983-31-8 - Names and Identifiers
351983-31-8 - Physico-chemical Properties
| Molecular Formula | C5H5ClN2OS |
| Molar Mass | 176.62 |
| Density | 1.491g/cm3 |
| Melting Point | 146-150 °C |
| Storage Condition | Room Temprature |
| Refractive Index | 1.628 |
351983-31-8 - 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. R22 - Harmful if swallowed |
| Safety Description | S22 - Do not breathe dust. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| HS Code | 29280000 |
| Hazard Class | IRRITANT |
351983-31-8 - Introduction
Acid hydrazide (-acid hydrazide) is an organic compound with the chemical formula C6H5ClN2OS.
Its properties are as follows:
Appearance: This compound is a white to light yellow crystalline powder or crystal.
Solubility: It is soluble in hot sodium azide solution, slightly soluble in hot water and alcohol, and almost insoluble in ketones and ethers.
Stability: It is relatively stable under conventional storage conditions.
Its main use is as an organic synthesis intermediate. It can be used to synthesize drugs and compounds containing thiophene or pyrimidine structures. For example, it can be used to synthesize antibacterial drugs and pesticides, etc.
In the preparation method, it can be obtained by reacting thiophene -2-carbohydrazide with thionyl chloride. For specific reaction conditions and steps, reference may be made to organic synthetic chemistry literature or patents.
Its properties are as follows:
Appearance: This compound is a white to light yellow crystalline powder or crystal.
Solubility: It is soluble in hot sodium azide solution, slightly soluble in hot water and alcohol, and almost insoluble in ketones and ethers.
Stability: It is relatively stable under conventional storage conditions.
Its main use is as an organic synthesis intermediate. It can be used to synthesize drugs and compounds containing thiophene or pyrimidine structures. For example, it can be used to synthesize antibacterial drugs and pesticides, etc.
In the preparation method, it can be obtained by reacting thiophene -2-carbohydrazide with thionyl chloride. For specific reaction conditions and steps, reference may be made to organic synthetic chemistry literature or patents.
Last Update：2024-04-09 21:48:26
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