Description

1-(2-Sulphonatoethyl)Pyridinium is a versatile zwitterionic compound, also known as a sulfobetaine, featuring a positively charged pyridinium ring and a negatively charged sulfonate group. This unique structure makes it an excellent intermediate for synthesizing specialty surfactants and functional materials with enhanced solubility and stability in aqueous systems. It is particularly valuable for manufacturers in the personal care, textile, and specialty chemical industries seeking to develop mild, high-performance formulations.

Application

• Surfactant Intermediate: A key building block for the synthesis of zwitterionic (betaine) surfactants, which are known for their mildness, foam stability, and compatibility with other surfactants.
• Personal Care Formulations: Used in the production of ingredients for shampoos, body washes, and facial cleansers where gentle cleansing and skin compatibility are paramount.
• Textile Auxiliaries: Serves as a precursor for leveling agents, softeners, and antistatic agents in textile processing and dyeing.
• Polymer Modification: Employed to introduce permanent zwitterionic character into polymers, enhancing hydrophilicity, antifouling properties, and biocompatibility for advanced material science applications.
• Bioconjugation & Protein Chemistry: Useful as a reagent for introducing sulfonate groups into biomolecules or as a component of buffers and separation media in biochemical research.
• Catalysis & Organic Synthesis: Acts as a phase-transfer catalyst or a precursor to ionic liquids for facilitating reactions in mixed solvent systems.

Basic Information

Product Name	1-(2-Sulphonatoethyl)Pyridinium
CAS No.	24020-66-4
Molecular Formula	C7H9NO3S
Molecular Weight	187.22 g/mol
Synonyms	2-(1-Pyridinio)ethanesulfonate; Pyridinium, 1-(2-sulfoethyl)-, inner salt; (2-Sulfoethyl)pyridinium betaine; 1-(2-Sulfonatoethyl)pyridinium; Pyridinium-1-ethanesulfonate; N-(2-Sulfoethyl)pyridinium betaine; 1-Pyridinioethanesulfonate
EINECS	Contact for details

Quality Control

Our production of 1-(2-Sulphonatoethyl)Pyridinium adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability. Each lot is analyzed against comprehensive specifications, including identity confirmation, assay purity, and impurity profiling. Certificates of Analysis (COA) documenting all test results are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.1%
pH (5% solution)	6.0 - 8.0

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