Tri-n-Propylamine (TNPA), also known as Tripropylamine, is a tertiary aliphatic amine widely used as an intermediate in pharmaceutical manufacturing, agrochemical synthesis, specialty chemicals, and catalyst production. It is a clear, colorless liquid with a strong ammonia-like odor and may gradually develop a pale yellow color during prolonged storage.

Its excellent chemical stability and tertiary amine functionality make it a valuable building block for a variety of industrial chemical processes.

Applications

Tri-n-Propylamine is widely used in:

Pharmaceutical intermediates

Agrochemical manufacturing

Organic synthesis

Specialty chemical production

Quaternary ammonium compound synthesis

Catalysts and reaction promoters

Corrosion inhibitors

Dye and pigment intermediates

Fine chemical manufacturing

Physical & Chemical Properties

Property Value

Chemical Name Tri-n-Propylamine

Synonyms Tripropylamine, TNPA

CAS Number 102-69-2

Molecular Formula C₉H₂₁N

Structural Formula (CH₃CH₂CH₂)₃N

Molecular Weight 143.27

Appearance Clear, Colorless Liquid

Odor Strong Ammoniacal Odor

Specific Gravity (20°C) 0.75 – 0.76

Refractive Index (20°C) 1.415 – 1.417

Boiling Point 156°C

Freezing Point Below -90°C

Water Solubility Sparingly Soluble

Flash Point (Closed Cup) 32 – 36°C

Specifications

Item Specification

Purity (GC) ≥ 99.0 wt.%

Water Content ≤ 0.2 wt.%

Total Impurities ≤ 0.8 wt.%

Packaging & Transportation

Standard Packaging

180 kg Steel Drum

190 kg Steel Drum

200 kg Steel Drum

ISO Tank Container

Bulk Tank Truck

Transportation

Classified as Dangerous Goods

Suitable for international transportation by sea, road, and rail

Handled in accordance with applicable hazardous chemical regulations

Regulatory Information

Item Value

CAS No. 102-69-2

UN Number 2260

IMDG Class Class 3

Packing Group II

HS Code 2921.19.90

Storage & Handling

Store in a cool, dry, and well-ventilated area.

Keep containers tightly closed when not in use.

Protect from excessive heat, moisture, and direct sunlight.

Keep away from sparks, flames, and other ignition sources.

Avoid contact with strong oxidizing agents and strong acids.

Use appropriate personal protective equipment during handling.

Ensure adequate ventilation in storage and operating areas.

Key Advantages

High-purity grade with minimum 99.0% assay

Excellent intermediate for pharmaceutical and agrochemical synthesis

Suitable for quaternary ammonium compound production

Stable quality and reliable industrial performance

Available in drum, bulk, and ISO tank packaging

Global export experience with hazardous chemical logistics support

Consistent product quality for specialty chemical applications

Product Description

Tri-n-Propylamine (TNPA) is a high-purity tertiary amine supplied as a clear, colorless liquid with a strong ammonia-like odor. It is widely utilized in pharmaceutical manufacturing, agrochemical production, catalyst systems, and specialty chemical synthesis. With excellent chemical reactivity, low impurity levels, and flexible packaging options, Tri-n-Propylamine serves as a reliable raw material for a broad range of industrial applications worldwide.生成一个有格式的内容