Description

n-Methyl-n-(3-Sulfopropyl)Morpholinium, Inner Salt is a high-purity zwitterionic sulfobetaine compound, valued for its excellent water solubility and stability across a wide pH range. This unique inner salt structure makes it a critical intermediate and functional additive in advanced chemical synthesis and formulation. It is essential for manufacturers in the personal care, pharmaceutical, and specialty polymer industries seeking to enhance product performance and stability.

Application

• Zwitterionic Surfactant Intermediate: A key building block for synthesizing advanced sulfobetaine surfactants with superior mildness and compatibility.
• Personal Care Formulations: Used in the production of ultra-mild shampoos, body washes, and facial cleansers, where it contributes to low irritation and rich foam.
• Bioconjugation & Protein Chemistry: Serves as a zwitterionic buffer component or a reactive moiety for modifying biomolecules to improve solubility and stability.
• Polymer Modification: Imparts permanent zwitterionic character to polymers, enhancing their antifouling properties for marine coatings or biomedical devices.
• Electroplating Additive: Acts as a brightener and leveling agent in electroplating baths to improve the quality and uniformity of metal deposits.
• Research & Development: A valuable reagent for academic and industrial R&D focused on novel zwitterionic materials, drug delivery systems, and surface science.

Basic Information

Product Name	n-Methyl-n-(3-Sulfopropyl)Morpholinium, Inner Salt
CAS No.	111282-24-7
Molecular Formula	C8H17NO4S
Molecular Weight	223.29 g/mol
Synonyms	3-(N-Morpholino)propanesulfonic acid inner salt; 1-Methyl-1-(3-sulfopropyl)morpholinium hydroxide, inner salt; N-Methyl-N-sulfopropylmorpholinium betaine; Morpholinopropanesulfobetaine; SPB; MPS Betaine; (3-Morpholinio)propane-1-sulfonate; 4-Methyl-4-aza-1-azoniabicyclo[2.2.2]octane, 1-(3-sulfopropyl)-, inner salt
EINECS	Contact for details

Quality Control

Our n-Methyl-n-(3-Sulfopropyl)Morpholinium, Inner Salt is manufactured under a strict quality management system. Each batch is analyzed to ensure it meets stringent specifications for identity, purity, and impurity profiles. Certificates of Analysis (COA) documenting results from HPLC, NMR, and titration methods are provided with every shipment to guarantee traceability and compliance with your quality requirements.

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). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

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%
Heavy Metals (as Pb)	≤ 10 ppm
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.