Sulfonic Acids and Sulfinic Acids

Sulfonic Acids and Sulfinic Acids

Sulfonic and sulfinic acids are strong, highly polar Br?nsted acids widely used in catalysis, detergents, polymer chemistry, and organic synthesis. Their strong acidity and excellent solubility make them effective catalysts in esterification, alkylation, and dehydration reactions. Sulfonic acids serve as precursors to sulfonates, surfactants, ion-exchange materials, and pharmaceutical intermediates. Sulfinic acids participate in radical processes, sulfone formation, and nucleophilic addition, providing access to sulfur-containing functional groups. Their stability and functional versatility support applications in dyes, flame retardants, and advanced materials. These acids remain essential tools for constructing reactive and functionalized organic molecules.

2-Pyrrolesulfonic Acid, 1-Acetyl- (5Ci) CAS NO 857422-45-8

Unit Price:Get Price

CAS No.:857422-45-8

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

p-Toluenesulfinic Acid Sodium Salt Tetrahydrate CAS NO 868858-48-4

Unit Price:Get Price

CAS No.:868858-48-4

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

2-{5-[(2-Methyl-2,3-Dihydro-1-Benzofuran-5-Yl)Methylene]-4-Oxo-2-Thioxo-1,3-Thiazolidin-3-Yl}Ethanesulfonic Acid CAS NO 872869-30-2

Unit Price:Get Price

CAS No.:872869-30-2

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

2-[[4-(Phenoxy)Phenyl]-Phenylsulfonyl-Amino]Ethanoic Acid CAS NO 884986-62-3

Unit Price:Get Price

CAS No.:884986-62-3

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Phenylsulfonic Acid CAS NO 90-11-3

Unit Price:Get Price

CAS No.:90-11-3

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

N,n-Dibenzylsulphanilic Acid CAS NO 91-72-5

Unit Price:Get Price

CAS No.:91-72-5

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Naphthalene-2,7-Disulfonic Acid CAS NO 92-41-1

Unit Price:Get Price

CAS No.:92-41-1

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

p-Cymene-2-Sulfonic Acid CAS NO 96-71-9

Unit Price:Get Price

CAS No.:96-71-9

Grade:Pharmacy Grade

Content:99.90%

Packaging:Customizable

Go to Page

Why choose US

Trusted Manufacturer

With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.

Rigorous Quality Assurance

Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.

Advanced R&D Expertise

Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.