5-氯-2-噻吩甲酰肼

5-氯-2-噻吩甲酰肼 - Names and Identifiers

Name	5-Chloro-2-thiophenecarboxylic acid hydrazide
Synonyms	5-chloro-2-thiophenecarbohydrazide 5-chlorothiophene-2-carbohydrazide 5-CHLORO-2-THIOPHENECARBOXYLIC HYDRAZINE 5-CHLORO-2-THIOPHENCARBOXYLIC ACID HYDRAZIDE 5-CHLORTHIOPHENE-2-CARBOXYLIC ACID HYDRAZIDE 5-CHLORO-2-THIOPHENECARBOXYLIC ACID HYDRAZIDE 5-Chloro-2-thiophenecarboxylic acid hydrazide 5-CHLORO-THIOPHENE-2-CARBOXYLIC ACID HYDRAZIDE 2-thiophenecarboxylic acid, 5-chloro-, hydrazide 2-Thiophenecarboxylic acid, 5-chloro-, hydrazide
CAS	351983-31-8
InChI	InChI=1/C5H5ClN2OS/c6-4-2-1-3(10-4)5(9)8-7/h1-2H,7H2,(H,8,9)

5-氯-2-噻吩甲酰肼 - 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

5-氯-2-噻吩甲酰肼 - 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

5-氯-2-噻吩甲酰肼 - 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.

Last Update：2024-04-09 21:48:26