Description

n-Methyl-1,3-propanediamine (CAS NO 6291-84-5) is a versatile, bifunctional organic compound featuring both primary and secondary amine groups on a short carbon chain. This structure makes it a valuable intermediate for synthesizing a wide range of specialty chemicals, including chelating agents, corrosion inhibitors, and pharmaceutical building blocks. It is particularly sought after by manufacturers in the agrochemical, polymer, and pharmaceutical industries for its reactivity and utility as a cross-linking or modifying agent.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring a diamine backbone.
• Epoxy Curing Agent & Hardener: Functions as a reactive amine hardener for epoxy resins, contributing to improved mechanical and thermal properties in coatings, adhesives, and composites.
• Corrosion Inhibitor Precursor: A key raw material for manufacturing filming amines and other compounds used to protect metal surfaces in industrial water treatment and oilfield applications.
• Chelating Agent Synthesis: Serves as a building block for producing polyamine-based chelants used in detergents, pulp/paper processing, and metal ion sequestration.
• Polyamide & Polyurea Production: Employed as a monomer or chain extender in the production of specialty nylons, polyamides, and polyurea elastomers.
• Agrochemical Synthesis: An intermediate in the manufacture of herbicides, fungicides, and plant growth regulators.
• Gas Treating Agent: Used in formulations for acid gas (e.g., CO2, H2S) scrubbing in natural gas processing and refining.
• Surface Active Agents: A precursor for cationic surfactants and fabric softeners.

Basic Information

Product Name	n-Methyl-1,3-propanediamine
CAS No.	6291-84-5
Molecular Formula	C4H12N2
Molecular Weight	88.15 g/mol
Synonyms	3-(Methylamino)propylamine; N-Methyl-1,3-diaminopropane; N-Methyltrimethylenediamine; 1,3-Propanediamine, N-methyl-; 3-Methylaminopropylamine; MAPA; N-Methylpropanediamine; N-Methyl-1,3-propylenediamine
EINECS	228-543-6

Quality Control

Our n-Methyl-1,3-propanediamine is produced under a stringent quality management system. Every batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets precise specifications. Certificates of Analysis (COA) documenting purity, physical properties, and safety data are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Due to its hygroscopic nature, containers should be kept tightly sealed to prevent moisture absorption. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	0.88 - 0.92
Refractive Index (20°C)	1.450 - 1.455

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