Description

2-(Methoxycarbonyl)Benzenesulfonic Acid is a key organic intermediate featuring both a sulfonic acid and an ester functional group. This bifunctional nature makes it a versatile building block for synthesizing more complex molecules in fine chemical and pharmaceutical manufacturing. It is primarily sought by R&D chemists and process engineers in the agrochemical, pharmaceutical, and specialty chemical industries for the development of active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring a benzenesulfonate moiety.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents where the sulfonic acid group aids in solubility and bioavailability.
• Dye and Pigment Manufacturing: Acts as an intermediate in the creation of sulfonated azo dyes and other colorants, providing water-solubility and ionic character.
• Polymer Modification: Employed to introduce sulfonic acid groups into polymers, enhancing properties like hydrophilicity or ion-exchange capacity.
• Catalyst and Ligand Preparation: Utilized in the design of metal-organic catalysts and ligands for various organic transformations.
• Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new synthetic pathways and novel compound libraries.

Basic Information

Product Name	2-(Methoxycarbonyl)Benzenesulfonic Acid
CAS No.	57897-77-5
Molecular Formula	C9H10O5S
Molecular Weight	230.24 g/mol
Synonyms	2-Carbomethoxybenzenesulfonic Acid; Methyl 2-Sulfobenzoate; o-(Methoxycarbonyl)benzenesulfonic Acid; Benzoic acid, 2-sulfo-, methyl ester; Methyl 2-sulfobenzoate; 2-Sulfobenzoic acid methyl ester; Methyl o-sulfobenzoate
EINECS	Contact for details

Quality Control

Our 2-(Methoxycarbonyl)Benzenesulfonic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and consistent high-quality standards. Certificates of Analysis (COA) detailing all test results are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Melting Point	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.