4,5-Dichloro-2-thiophenesulfonamide

4,5-Dichloro-2-thiophenesulfonamide - Names and Identifiers

Name	2,3-Dichlorothiophene-5-sulfonamide
Synonyms	2,3-Dichlorothiophene-5-sulfonamide 4,5-Dichlorothiophene-2-sulfonamide 4,5-dichlorothiophene-2-sulfonamide 2,3-DICHLOROTHIOPHENE-5-SULFONAMIDE 4,5-Dichloro-2-thiophenesulfonamide 4,5-DICHLORO-2-THIOPHENESULFONAMIDE 2-Thiophenesulfonamide, 4,5-dichloro-
CAS	256353-34-1
InChI	InChI=1/C4H3Cl2NO2S2/c5-2-1-3(10-4(2)6)11(7,8)9/h1H,(H2,7,8,9)

4,5-Dichloro-2-thiophenesulfonamide - Physico-chemical Properties

Molecular Formula	C4H3Cl2NO2S2
Molar Mass	232.11
Density	1.761±0.06 g/cm3(Predicted)
Melting Point	152-155°C
Boling Point	405.3±55.0 °C(Predicted)
Flash Point	198.9°C
Vapor Presure	8.87E-07mmHg at 25°C
pKa	9.48±0.60(Predicted)
Storage Condition	2-8℃
Refractive Index	1.631

4,5-Dichloro-2-thiophenesulfonamide - Risk and Safety

Hazard Symbols	Xn - Harmful
Risk Codes	R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing.
WGK Germany	3
HS Code	29350090

4,5-Dichloro-2-thiophenesulfonamide - Introduction

2, is an organic compound with the chemical formula C4H2Cl2N2O2S. It is a colorless or pale yellow crystal with a peculiar Thione odor.

2, has certain uses in the field of chemistry and pharmacy. It can be used as a catalyst, a starting material in polymer synthesis, and an intermediate for drugs. In addition, it can also be used in the preparation of electronic devices, coatings, dyes and rubbers.

A common method of preparing 2, 3-dichlorothiophene is obtained by reacting 2,3-dichlorothiophene with sulfonamide. The specific preparation method can be adjusted according to requirements and experimental conditions.

Regarding safety information, 2. The following matters should be paid attention to during Operation: avoid contact with skin, avoid inhaling dust or vapor, at the same time, use appropriate protective equipment during operation, such as gloves, protective glasses and protective masks. In addition, it should be stored in a cool, dry, well-ventilated place, and stored in isolation from other substances.

Last Update：2024-04-09 20:52:54