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NT CAT LA-303 catalyst CAS1066-33-4 Newtopchem

July 4, 2023by admin0

NT CAT LA-303 is a high performance, low odor, water soluble catalyst for the production of rigid polyurethane foam. It is a tertiary amine that reacts with water to form an amide, which then reacts with isocyanate to form polyurethane foam. NT CAT LA-303 is a clear, colorless liquid with a mild odor. It is non-flammable and has low viscosity. NT CAT LA-303 is compatible with many polyols and isocyanates. It is also water compatible, which makes it ideal for applications that require water-based foams.


· Trade name: NT CAT LA-303

· CAS No. : 1066-33-4

· Molecular Formula: C12H23N

· Appearance: clear colorless liquid

· Smell: mild

· Density: 0.84 g/cm ³

· Viscosity: 5 mPa.s

· Flash point: 72 °C

· Water soluble: Soluble

· Compatibility: Compatible with many polyols and isocyanates


· Rigid polyurethane foam

· Insulation

· Automobile parts

· Appliances

· Building materials

· Footwear

· Sports equipment


· High Performance

· Low odor

· Water soluble

· Compatible with many polyols and isocyanates


· Corrosive to certain metals

· Combustible

· May be toxic by inhalation


Precautions for use

· Wear gloves and safety goggles when handling NT CAT LA-303.

· Keep NT CAT LA-303 away from heat and flames.

· Do not inhale steam or smoke.

· If it comes into contact with your skin, wash it immediately with soap and water.

· In case of contact with eyes, rinse with water for 15 minutes and seek immediate medical attention.

· Dispose of NT CAT LA-303 according to local regulations.

Physical Properties Table



CAS number


Molecular Formula



Clear colorless liquid




0.84 g/cm ³


5 mPa.s

Flash point

72 ℃

Water soluble



Compatible with many polyols and isocyanates


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.


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