Description

Methanesulfonic Acid, (2-Hydroxy-3,5-Xylyl)- (8Ci) is a specialized organosulfur compound that serves as a versatile intermediate and reagent in advanced chemical synthesis. Its unique structure, featuring a methanesulfonic acid group attached to a substituted phenol, provides valuable reactivity for constructing complex molecules. This high-purity chemical is essential for research and development laboratories and industrial-scale production processes in the pharmaceutical and fine chemical sectors, where precise molecular control is paramount. CAS number 802893-54-5 identifies this specific compound.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a phenolic sulfonate moiety.
• Fine Chemical Synthesis: Used as a reagent or protecting group in multi-step organic synthesis for agrochemicals, dyes, and specialty polymers.
• Catalyst or Co-catalyst: May function as an acidic component or ligand in catalytic systems for esterification, alkylation, or other organic transformations.
• Chemical Research: Employed in academic and industrial R&D for developing new synthetic methodologies and novel chemical entities.
• Polymer Modification: Potential use in the functionalization of polymers to introduce specific sulfonate or phenolic groups, altering material properties.

Basic Information

Product Name	Methanesulfonic Acid, (2-Hydroxy-3,5-Xylyl)- (8Ci)
CAS No.	802893-54-5
Molecular Formula	C9H12O4S
Molecular Weight	216.26 g/mol
Synonyms	2-Hydroxy-3,5-dimethylphenyl methanesulfonate; 3,5-Dimethyl-2-hydroxyphenyl methanesulfonate; 2-Hydroxy-3,5-xylenyl methanesulfonate; (2-Hydroxy-3,5-dimethylphenyl) methanesulfonate; Methanesulfonic acid 2-hydroxy-3,5-dimethylphenyl ester; 3,5-Xylen-2-yl methanesulfonate
EINECS	Contact for details

Quality Control

Our production of Methanesulfonic Acid, (2-Hydroxy-3,5-Xylyl)- (8Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. The material is characterized using advanced analytical techniques including HPLC, GC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. Due to its organic acid/phenolic nature, it should be stored separately from strong bases, oxidizing agents, and reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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