Tripropylamine

Tripropylamine (TPA) is a tertiary aliphatic amine commonly used as a catalyst, organic synthesis intermediate, and multifunctional solvent. With strong hydrophobicity and excellent stability, it is widely incorporated in chemical manufacturing processes requiring controlled reactivity and compatibility with non-polar systems.

Basic Information of Tripropylamine

CAS No.:	102-69-2
EC No.:	203-047-7
Linear Formula:	C9H21N
Molecular Weight:	143.27
Appearance:	Colorless to pale yellow liquid
Odor:	Amine-like, mild
Melting Point:	−93.5 °C(lit.)
Boiling Point:	~156–158°C
Density:	~0.75 g/cm³
Solubility:	Miscible with organic solvents; limited solubility in water
Flash Point:	98 °F
RIDADR:	UN 2260 3/PG 3
Chemical Structure:

Application Overview

Tripropylamine is widely used in multiple industrial segments due to its catalytic activity, hydrophobic behavior, compatibility with non-aqueous systems, and chemical stability. Its primary applications include:

• Phase-Transfer Catalyst: Facilitates reactions between immiscible phases, especially in alkylation, esterification, and polymer modification.

• Pharmaceutical Intermediate: Used in synthesizing active pharmaceutical ingredients (APIs), specialty amines, and quaternary ammonium compounds.

• Agrochemical Ingredient: Applied in formulating herbicides, insecticides, and pesticide intermediates requiring tertiary amine structures.

• Industrial Solvent: Effective in coatings, resins, and organic reaction systems where non-polar solvent properties are needed.

• Chemical Synthesis: Serves as a precursor in manufacturing surfactants, corrosion inhibitors, flotation agents, and fine chemical additives.

• Polymer and Material Processing: Utilized in producing specialty polymers, curing agents, and crosslinking systems.

• Quaternization Reactions: Acts as a building block in synthesizing quaternary ammonium salts for surfactants and specialty chemicals.

• Engineering-Oriented Production: Our manufacturing process is optimized using advanced reaction control systems, ensuring consistent purity for demanding industrial applications.

• Compliance and Documentation: Every batch is supported by COA, MSDS, TDS, and regulatory documentation suitable for international market requirements.

• Technical Guidance: Our application specialists assist with formulation optimization, process selection, and compatibility evaluation.

Hazards Classification