Description

3-Formyl-1-(3-Sulfopropyl)Pyridinium Betaine is a specialized zwitterionic compound, a pyridinium sulfobetaine derivative, known for its unique combination of a reactive aldehyde group and a permanent charged moiety. This structure makes it a valuable intermediate and functional component in advanced material synthesis, where surface modification and controlled reactivity are critical. It is primarily sought by researchers and manufacturers in the life sciences, polymer chemistry, and specialty chemical sectors for developing functional coatings, hydrogels, and bio-conjugation platforms.

Application

• Bioconjugation & Protein Modification: Acts as a reactive linker for coupling biomolecules due to its aldehyde functionality, useful in antibody-drug conjugate (ADC) research and diagnostic assay development.
• Functional Polymer & Hydrogel Synthesis: Serves as a monomer or cross-linking agent for creating zwitterionic polymers with anti-fouling, superhydrophilic, or stimuli-responsive properties.
• Surface Coating & Modification: Used to impart permanent hydrophilic and anti-static characteristics to surfaces of membranes, sensors, and medical devices.
• Chromatography & Separation Media: Employed in the functionalization of stationary phases for HPLC or capillary electrophoresis to modify separation selectivity.
• Electrochemical & Sensor Applications: Incorporated into modified electrodes or sensing layers to enhance stability and biocompatibility.
• Personal Care & Cosmetic Formulations: Potential use as a mild conditioning agent or viscosity modifier in advanced cosmetic products.

Basic Information

Product Name	3-Formyl-1-(3-Sulfopropyl)Pyridinium Betaine
CAS No.	93803-27-1
Molecular Formula	C9H11NO4S
Molecular Weight	229.25 g/mol
Synonyms	1-(3-Sulfopropyl)pyridinium-3-carboxaldehyde, inner salt; 3-Carboxy-1-(3-sulfopropyl)pyridinium hydroxide, inner salt; Pyridinium, 3-formyl-1-(3-sulfopropyl)-, inner salt; 3-Formyl-1-(3-sulfopropyl)pyridinium hydroxide, inner salt; SPB-CHO; Sulfobetaine pyridinium aldehyde; Betaine, 3-formyl-1-(3-sulfopropyl)pyridinium
EINECS	Contact for details

Quality Control

Every batch of 3-Formyl-1-(3-Sulfopropyl)Pyridinium Betaine is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure identity, purity, and consistency for your research and production needs. A Certificate of Analysis (COA) detailing specifications such as assay (HPLC), impurity profile, and physical characteristics is supplied with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). For long-term storage, consider using a desiccant in the storage environment. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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