BenzenesulfonaMide, 4-ethynyl-

BenzenesulfonaMide, 4-ethynyl- - Names and Identifiers

Name	4-Ethynylbenzenesulfonamide
Synonyms	4-Ethynybenzenesulfonamide 4-Ethynylbenzenesulfonamide 4-ethynylbenzenesulfonamide BenzenesulfonaMide, 4-ethynyl- 4-ethynylbenzene-1-sulfonaMide 2-chloro-3-nitro-pyridin-4-amine Benzenesulfonamide, 4-ethynyl- (9CI)
CAS	1788-08-5
InChI	InChI=1/C8H7NO2S/c1-2-7-3-5-8(6-4-7)12(9,10)11/h1,3-6H,(H2,9,10,11)

BenzenesulfonaMide, 4-ethynyl- - Physico-chemical Properties

Molecular Formula	C8H7NO2S
Molar Mass	181.21
Density	1.38±0.1 g/cm3(Predicted)
Melting Point	178.0 to 182.0 °C
Boling Point	338.2±44.0 °C(Predicted)
Appearance	powder to crystal
Color	Light yellow to Yellow to Orange
pKa	9.88±0.10(Predicted)
Storage Condition	2-8°C
Refractive Index	1.623

BenzenesulfonaMide, 4-ethynyl- - Introduction

It is an organic compound with the chemical formula C10H7NOS.

The compound has the following properties:
1. Appearance: white crystalline solid
2. Solubility: soluble in organic solvents such as ethanol, dimethylformamide, insoluble in water
3. Melting Point: about 135-138 degrees Celsius
4. Molecular Weight: about 205.23g/mol

The main uses are:
1. As an organic synthesis intermediate: can be used to synthesize other compounds, such as benzoyl chloride and acetyl chloride
2. Antibacterial drug research: has certain antibacterial activity and can be used for drug research and development

The method for preparing the benzenesulfonic acid generally includes the amidation reaction of aminobenzenesulfonic acid and acetylene anhydride under alkali catalysis.

Regarding safety information, caution is required. Direct contact with the skin and eyes should be avoided to avoid irritation and allergic reactions. Appropriate protective gloves, glasses and respiratory protection should be worn during use to ensure good ventilation. If inhaled or taken by mistake, seek medical attention immediately.

Last Update：2024-04-09 20:02:46