Description

(3-Carboxypropyl)Trimethylammonium Chloride is a high-purity quaternary ammonium compound with a zwitterionic structure, serving as a crucial intermediate and building block in advanced chemical synthesis. Its unique combination of a positively charged quaternary ammonium group and a free carboxylic acid group makes it valuable for modifying surface properties and creating functional materials. This product is essential for researchers and manufacturers in the pharmaceutical, biotechnology, and specialty chemical industries seeking to develop novel surfactants, catalysts, or biomaterials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of betaine-type drug molecules, prodrugs, and active pharmaceutical ingredients (APIs) requiring zwitterionic functionality.
• Bioconjugation & Protein Modification: Acts as a linker or modifier for proteins and peptides, leveraging the carboxylic acid group for covalent attachment to amine groups.
• Specialty Surfactant & Detergent Formulation: Serves as a precursor for synthesizing custom betaine surfactants with specific foaming, wetting, or emulsifying properties.
• Polymer & Material Science: Incorporated into polymers to impart permanent positive charges or to create zwitterionic hydrogels and coatings with anti-fouling properties.
• Catalysis & Ligand Synthesis: Utilized as a precursor for creating functionalized ligands in coordination chemistry and catalysis.
• Analytical Chemistry & Chromatography: May be used as a standard, reagent, or to modify stationary phases in chromatographic separations.

Basic Information

Product Name	(3-Carboxypropyl)Trimethylammonium Chloride
CAS No.	6249-56-5
Molecular Formula	C7H16ClNO2
Molecular Weight	181.66 g/mol
Synonyms	4-(Trimethylammonio)butanoate Chloride; 4-Carboxy-N,N,N-trimethylbutan-1-aminium Chloride; (3-Carboxypropyl)trimethylazanium Chloride; Butyrobetaine Hydrochloride; γ-Butyrobetaine Hydrochloride; 3-Carboxypropyltrimethylammonium Chloride; L-Carnitine Intermediate; TMACA
EINECS	228-387-5

Quality Control

Our (3-Carboxypropyl)Trimethylammonium Chloride is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (NMR, IR), to ensure it meets exacting standards for research and industrial use. A detailed Certificate of Analysis (COA) documenting purity, assay, and impurity profiles is provided with every shipment.

Storage

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

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)	≤ 20 ppm

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