Our Product

CAS 280-57-9


Chinese name: Polyurethane Catalyst A33

Alias: catalyst A33, polyurethane catalyst A33, catalyst A33, blowing catalyst A33, CAS 280-57-9, Dabco 33-LV, Niax A-33, Jeffcat TD-33A, Lupragen N201, Tegoamin 33 PC CAT TD33, Addocat 105 , TEDA L33, foaming catalyst, polyurethane foaming catalyst, catalyst A-33, polyurethane catalyst A-33, liquid catalyst, liquid composite amine catalyst


Polyurethane catalyst A33 is a gel catalyst mainly used as polyurethane foam.

Foreign name A33 polyurethane catalyst A33, catalyst A33, Dabco 33-LV, Niax A-33, Jeffcat TD-33A, Lupragen N201, Tegoamin 33, PC CAT TD33, Addocat 105, TEDA L33, foaming catalyst A33

33% triethylenediamine solution

Form Solid

Application Flexible, semi-rigid, rigid urethane foam

catalyst A33 polyurethane catalyst A33 blowing catalyst A33

catalyst A33 polyurethane catalyst A33 blowing catalyst A33

chemical composition:

33% triethylenediamine solution.

Triethylenediamine is solid at room temperature and is inconvenient to use as a polyurethane catalyst. In industrial applications, it is often melted in a small molecule diol and configured to use an alcohol solution with a mass fraction of 33% (or other concentration).

Commonly used glycols include dipropylene glycol, propylene glycol, diethylene glycol (diethylene glycol), ethylene glycol and the like.


Product properties:

Molecular formula: C6H12N2;

Relative molecular mass: 112.17;

CAS number: 280-57-9;

Purity ≥99%;


Viscosity (25℃): 100mPa.s;

Density (20℃): 1.033g/cm3;

Flash point (PMCC): 79℃;

Vapor pressure (38℃): 266Pa


Product Usage:

The effective component of polyurethane catalyst A33 is triethylenediamine, a solution made of 33% triethylenediamine and 67% dipropylene glycol. It is mainly used as a gel catalyst for polyurethane foams and is widely used in soft , Semi-rigid, rigid polyurethane foam, coatings, elastomers, in polyurethane foaming systems, isocyanate first reacts with triethylenediamine to form an active complex, the nature of the complex is very unstable, once the carbamate After the ester bond is formed, it will be released, which is conducive to further catalysis. Triethylenediamine has a strong catalytic effect on the gel reaction and the foaming reaction, especially on the polyurethane and the hydroxyl group. A33 is mainly used as a gel catalyst for polyurethane foams, and is widely used in soft, semi-rigid, rigid polyurethane foams, elastomers, and coatings.

Polyurethane Catalyst A33 Catalyst A33 Foaming Catalyst A33 CAS 280-57-9 Dabco 33-LV Niax A-33 Jeffcat TD-33A Lupragen N201 Tegoamin 33 PC CAT TD33 Addocat 105 TEDA L33 Foaming Catalyst 33-LV Polyurethane Foaming Catalyst 33- LV catalyst A-33 polyurethane catalyst A-33 liquid catalyst


Storage and transportation:

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



200KG/drum 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 the water and other substances from mixing into the product and affecting its performance. Store in a cool, dry place, keep the container sealed and avoid contact with oxides. Do not breathe dust, avoid skin and mucous membrane contact. Smoking, eating and drinking are prohibited in the workplace. After work, shower and change clothes. Store contaminated clothing separately and wash it before reuse. Maintain good hygiene habits.

Company Name: Shanghai OHANS Chemical Co., Ltd.
Sales Manager: Hunter
Telephone: +86-021-5161 9971

+86-021-5161 9972

+86-021-5161 9973

Address: 709 Lingshi Road, Zhabei District, shanghai, China