Description

4-Trimethylammonium Aniline is a quaternary ammonium salt derivative of aniline, characterized by its cationic nature and high reactivity. This compound is a crucial advanced pharmaceutical intermediate and a versatile building block in organic synthesis, valued for its ability to introduce a positively charged trimethylammonium group. It is primarily utilized by pharmaceutical manufacturers and specialty chemical research and development teams for creating active ingredients, dyes, and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those requiring cationic functionality.
• Dye and Pigment Synthesis: Used in the production of cationic dyes for textiles, paper, and specialty inks.
• Phase-Transfer Catalyst: Acts as a catalyst in organic reactions where solubility in different phases is required.
• Bioconjugation and Labeling Reagent: Employed in biochemical research for modifying proteins, peptides, and other biomolecules.
• Polymer Modification: Used to introduce quaternary ammonium groups into polymers to create materials with antimicrobial or ion-exchange properties.
• Analytical Chemistry: Serves as a reagent or standard in chromatographic and spectroscopic methods.
• Corrosion Inhibitor Formulation: A component in specialty formulations designed to protect metal surfaces.
• Academic and Industrial Research: A valuable compound for exploring new synthetic pathways and material properties in R&D laboratories.

Basic Information

Product Name	4-Trimethylammonium Aniline
CAS No.	21248-43-1
Molecular Formula	C9H14N2+ • X- (Common salt forms: Chloride, Iodide, etc.)
Molecular Weight	Varies by salt form. Contact for details.
Synonyms	N,N,N-Trimethyl-1,4-benzenediaminium salt; 4-Aminophenyltrimethylammonium salt; p-Aminophenyltrimethylammonium salt; Aniline, 4-(trimethylammonio)-; TMA-Aniline; 1-Amino-4-(trimethylammonio)benzene; PTMA; 4-(Trimethylazaniumyl)aniline
EINECS	Contact for details.

Quality Control

Our 4-Trimethylammonium Aniline is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are provided with each shipment. We support compliance with cGMP and ISO standards for pharmaceutical and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Assay (Titration)	97.0% - 103.0% (as salt)
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%, Total impurities ≤ 1.5%

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