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Jeffcat TD-33A catalyst CAS107-16-9 Huntsman

July 4, 2023by admin0

Jeffcat TD-33A is a tertiary amine catalyst used in the production of polyurethane foam. It is a 33% solution of triethylenediamine (TEDA) in dipropylene glycol. Jeffcat TD-33A is compatible with most common polyols and isocyanate systems. It is also compatible with water-based systems.

Physical and chemical properties:




Clear colorless liquid


Mild, amine-like



Specific Gravity


Flash Point

110 degrees Fahrenheit

Spontaneous combustion temperature

450 degrees Fahrenheit


Miscible with water, alcohols and ketones


Stabilize at room temperature

CAS number


Molecular Formula


Molecular weight

197.34 g/mole


Jeffcat TD-33A is used to catalyze the reaction of polyols and isocyanates to produce polyurethane foam. It is used in a variety of applications including:

· Rigid foam

· Soft foam

· Spray foam

· Forming foam

· Styrofoam


Precautions for use

Jeffcat TD-33A is a flammable liquid and should be handled with care. It should be stored in a cool, dry place away from heat sources and open flames. Jeffcat TD-33A can irritate skin and eyes. If it comes into contact with skin or eyes, wash the affected area with soap and water immediately. If inhaled, move to fresh air and seek medical attention if breathing becomes difficult.

Consult the safety data sheet for more information about Jeffcat TD-33A.



Shelf Life:

 Remain unopened for two years


Storage and Transportation:

Should be sealed, stored in a dry cool ventilated warehouse



200KG/ barrel storage: It is recommended to store in a dry and cool area with proper ventilation. After the original packaging, please fasten the packaging cover as soon as possible to prevent moisture and other substances from mixing and affecting the product performance. Do not inhale dust and avoid contact between skin and mucous membrane. Smoking, eating and drinking are prohibited in the workplace. Shower and change after work. Store contaminated clothes separately and use them after washing. Practice good hygiene.


Technical support and business contacts E-mail:hongda@ohans.com


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