Tris(3-dimethylaminopropyl)amine/CAS 33329-35-0

Tris(3-dimethylaminopropyl)amine/CAS 33329-35-0


Chinese name:Bis(3-dimethylaminopropyl)-N,N-dimethylpropanediamineEnglish name: Tris(3-dimethylaminopropyl)amine

Molecular Formula: C15H36N4

Molecular weight: 272.5

CAS No.: 33329-35-0

Chinese name Tris(dimethylaminopropyl)amine

Synonyms N,N-bis[3-(dimethylamino)propyl]-N’,N’-dimethylpropane-1,3-diamine

Molecular formula C15H36N4

Molecular weight 272.4731

CAS 33329-35-0

EINECS 251-459-0

Relative density 0.892g/cm3

Physical and Chemical Properties:

Tris(dimethylaminopropyl)amine is normally a colorless to yellow liquid, soluble in water.


Density (25℃,g/cm3): 0.87

Water solubility: soluble in water

Flash point (PMCC,℃): 102

Hydroxyl value (mgKOH/g): 0


Tris(dimethylaminopropyl)amine is a low-odor tertiary amine catalyst that promotes the reaction between urethane and urea in flexible and rigid foams in a balanced manner;

Tris(dimethylaminopropyl)amine can be used as a co-catalyst for foam and gel enhancing amine catalysts to balance the reaction and smooth the initiation;

Tris (dimethylaminopropyl) amine is mainly used in polyurethane rigid foams, polyurethane insulation foams, spray spit foams, laminates and panels for refrigerators;

Tris(dimethylaminopropyl)amine can also be used in polyurethane microcellular foams, such as polyurethane shoe soles.

Tris(dimethylaminopropyl)amine 33329-35-0

Storage and transportation:

Should be sealed and stored in dry, cool and ventilated warehouse


180KG/drum Storage: it is recommended to store in dry and cool area with proper ventilation. Please fasten the package cover as soon as possible after the original packaging to prevent moisture and other substances from mixing and affecting the performance of the product. Do not inhale dust and avoid contact with skin and mucous membranes. Smoking, eating and drinking are prohibited in the workplace. After work, shower and change clothes. Store contaminated clothes separately and reuse them after washing. Maintain good hygiene practices.

Company Name:

Newtop Chemical Materials (Shanghai) Co., Ltd.

Sales Manager:




86-152 2121 6908


86-021-5657 7830


Rm. 1104, No. 258, Songxing West Road,
Baoshan District, Shanghai, China (Mainland)


Our Company

Since its establishment, the company has adhered to the service tenet of “integrity-based, customer first”, adhered to customer demand as the focus, market-oriented, adhered to technological innovation, management innovation and service innovation, and constantly implemented lean production, refined management, to provide customers with better products and services! The company has its own factory, research and development base, set up a strict scientific quality management system, and constantly committed to technological innovation, product innovation and management innovation, so as to ensure that our products have a certain competitiveness in the same industry. The factory is located in Jining City, Shandong Province, China, covering an area of 500 acres, and the current production capacity of various types of amines is 5,000 to 10,000 tons per year.

Our Advantages

Strict Quality Management
Our company strictly implements ISO9002 quality management standards and has established a complete quality management system to ensure the long-term stability of product quality.

Efficient Service
Our production is efficient and reliable, so we deliver on time and within delivery deadlines. At the same time, our team is always happy to help customers and strive to solve customer problems in a short time.

Competitive Price
We have long-term services in wholesale Polyurethane catalyst and have established long-term and stable cooperative relationships with many retailers and agents to provide our customers with reasonably priced products.

OEM Available
Our employee team has high R&D capabilities, superb design and development capabilities, skilled manufacturing technology, and rich product application experience, and can also meet OEM business needs.throughout the entire industry chain.