Description

Pyridinium, 1-(Carboxymethyl)-, Ar-Me Derivs., Inner Salts CAS NO 157089-27-5 is a specialized zwitterionic compound belonging to the pyridinium betaine family. This chemical is valued for its unique amphoteric properties, acting as a versatile intermediate and functional additive in advanced synthesis. It is primarily required by industries focused on specialty chemical manufacturing, pharmaceutical research, and materials science for developing novel surfactants, catalysts, and ionic liquids.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and drug delivery agents due to its zwitterionic nature.
• Specialty Surfactant Production: Serves as a key building block for creating novel amphoteric and betaine-type surfactants with enhanced performance.
• Catalyst and Ligand Synthesis: Employed in the preparation of specialized catalysts and ligands for organic transformations and metal complexation.
• Ionic Liquid Precursor: Acts as a precursor for designing task-specific ionic liquids used in green chemistry and separation processes.
• Polymer Modification: Utilized to introduce zwitterionic functionality into polymers, improving properties like hydrophilicity and biocompatibility.
• Corrosion Inhibitor Formulation: Incorporated into formulations for metal surface treatment and corrosion protection in industrial settings.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new chemical entities and material properties.

Basic Information

Product Name	Pyridinium, 1-(Carboxymethyl)-, Ar-Me Derivs., Inner Salts
CAS No.	157089-27-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	1-(Carboxymethyl)pyridinium inner salt, Ar-Me derivatives; Pyridinium, 1-(carboxymethyl)-, inner salt, methyl-substituted derivatives; Carboxymethylpyridinium betaine derivatives; N-Carboxymethylpyridinium hydroxide, inner salt; Zwitterionic pyridinium carboxylate; Pyridinium betaine, Ar-methylated; 1-Pyridinioacetate inner salt derivatives
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Each batch is analyzed to confirm identity, purity, and consistency. Certificates of Analysis (COA) detailing specific parameters are available upon request. We adhere to Good Manufacturing Practice (GMP) principles and can support compliance with global regulatory frameworks such as REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Residue on Ignition	≤ 0.5%

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