Description

Benzenemethanesulfonic Acid, 3,4-Dihydroxy- (9Ci) is a specialized aromatic sulfonic acid derivative with a dihydroxy substitution pattern, offering unique reactivity and solubility properties. This compound serves as a valuable intermediate and building block in advanced organic synthesis, particularly where the introduction of a sulfonic acid group with phenolic functionality is required. It is primarily utilized by R&D chemists and process engineers in the pharmaceutical, agrochemical, and fine chemical industries for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme inhibition or requiring enhanced water solubility.
• Agrochemical Synthesis: Used in the development of herbicides, fungicides, and plant growth regulators where the sulfonic acid moiety can influence systemic activity.
• Dye and Pigment Manufacturing: Acts as a coupling agent or a sulfonation component in the production of specialized dyes and colorants.
• Polymer Modification: Employed to introduce ionic or hydrophilic character into polymers for membranes, coatings, or specialty resins.
• Chemical Research (R&D): Serves as a versatile building block in academic and industrial research for exploring new synthetic pathways and material properties.
• Catalyst and Ligand Preparation: Potential use in the synthesis of metal-complexing ligands or organocatalysts due to its chelating phenolic groups.

Basic Information

Product Name	Benzenemethanesulfonic Acid, 3,4-Dihydroxy- (9Ci)
CAS No.	79427-89-7
Molecular Formula	C7H8O5S
Molecular Weight	204.20 g/mol
Synonyms	3,4-Dihydroxybenzenemethanesulfonic Acid; 3,4-Dihydroxybenzylsulfonic Acid; (3,4-Dihydroxyphenyl)methanesulfonic Acid; 2-Hydroxy-4-(sulfomethyl)phenol; 4-Hydroxy-3-(sulfomethyl)phenol; Benzenemethanesulfonic acid, 3,4-dihydroxy-
EINECS	Contact for details

Quality Control

Our Benzenemethanesulfonic Acid, 3,4-Dihydroxy- (9Ci) is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, which includes results from HPLC, NMR, and other relevant spectroscopic methods. Our quality commitment supports applications requiring high-purity intermediates for research and regulated synthesis.

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 acidic nature and light sensitivity, the container should be kept away from heat, direct sunlight, and incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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