3,4-Dimethoxybenzenesulfonyl chloride

3,4-Dimethoxybenzenesulfonyl chloride - Names and Identifiers

Name	3,4-Dimethoxybenzenesulfonyl chloride
Synonyms	AKOS B019393 ASISCHEM D48920 AKOS BBS-00006964 ART-CHEM-BB B019393 TIMTEC-BB SBB003242 3,4-Dimethoxybenzenesulfonyl chloride 3,4-DIMETHOXYBENZENESULFONYL CHLORIDE 3,4-Dimethoxybenzenesulphonyl chloride 3,4-DIMETHOXYBENZENESULPHONYL CHLORIDE
CAS	23095-31-0
InChI	InChI=1/C8H9ClO4S/c1-12-7-4-3-6(14(9,10)11)5-8(7)13-2/h3-5H,1-2H3
InChIKey	RSJSYCZYQNJQPY-UHFFFAOYSA-N

3,4-Dimethoxybenzenesulfonyl chloride - Physico-chemical Properties

Molecular Formula	C8H9ClO4S
Molar Mass	236.67
Density	1.359±0.06 g/cm3(Predicted)
Melting Point	67-70 °C (lit.)
Boling Point	346.2±27.0 °C(Predicted)
Flash Point	163.2°C
Vapor Presure	0.000117mmHg at 25°C
Appearance	Crystalline Powder
Color	Off-white to beige
BRN	2840170
Storage Condition	2-8°C
Sensitive	Moisture Sensitive
Refractive Index	1.522

3,4-Dimethoxybenzenesulfonyl chloride - Risk and Safety

Risk Codes	34 - Causes burns
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
UN IDs	UN 3261 8/PG 2
WGK Germany	3
HS Code	29049090
Hazard Note	Corrosive
Hazard Class	8
Packing Group	II

3,4-Dimethoxybenzenesulfonyl chloride - Introduction

chloride is an organic compound with the chemical formula C8H9ClO3S. Its main properties are as follows:

1. Appearance: 3, chloride is a white crystalline solid.

2. Solubility: It has good solubility in common organic solvents such as ether, methanol and dichloromethane.

3. Reactivity: It is an acid chloride compound, which can undergo acyl substitution reaction, and often reacts with amine compounds to generate the corresponding amide derivatives.

3, the main uses of chloride are as follows:

1. Organic synthesis: It is a commonly used organic synthesis reagent, which can be used to synthesize various amide derivatives, such as drugs, pesticides and dyes.

2. Protecting group: it can be used as a reagent to protect the hydroxyl group, and it can protect the hydroxyl group from the reaction in organic synthesis.

3, the preparation method of chloride is generally obtained by The chlorination reaction of 3,4-dimethoxybenzene sulfonic acid. The specific steps are as follows:

1. Dissolve 3,4-dimethoxybenzenesulfonic acid under acidic conditions, such as adding a small amount of hydrochloric acid in dichloromethane or benzene.

2. Under the condition of stirring, slowly add thionyl chloride to the reaction system, and keep the temperature at 0-5 degrees Celsius.

3. After the reaction is completed, the target product 3, chloride, is obtained by filtration or crystallization.

In the process of using 3 chloride, you need to pay attention to the following safety information:

1. It is necessary to operate in a well-ventilated laboratory environment to avoid inhalation of aerosols or contact with skin.
2. Wear appropriate personal protective equipment, such as chemical gloves, laboratory glasses and protective face masks.
3. Avoid contact with water or moisture to prevent the generation of corrosive gases.
4. Storage should be sealed, away from the fire and flammable materials.
5. When handling the compound, the relevant safety procedures and regulations should be observed.

Last Update：2024-04-09 21:21:28

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