RC Catalyst 105 CAS99-95-6 Rhine Chemistry

RC Catalyst 105 is a non-halogenated water-based catalyst for the production of polyurethane foams. It is a clear, colorless liquid with a mild odor. The active ingredient in RC Catalyst 105 is 2, 4-dihydroxybenzoic acid.

Physicochemical properties



CAS number


Molecular Formula


Molecular weight

136.11 g/mole


1.20g/cm ³

Flash point

100 ℃


Miscible with water


RC Catalyst 105 is used to produce a variety of polyurethane foams, including hard, soft and semi-hard foams. It is also used in the production of polyurethane elastomers and sealants.


RC Catalyst 105 has a number of advantages over other polyurethane catalysts, including:

· It does not contain halogens and is therefore environmentally sound.

· It is water-based and therefore easy to use and clean up.

· It is safe to handle and use.

· It produces high quality foam with good physical properties.

Precautions for use

RC Catalyst 105 is a strong acid that can cause skin irritation and burns. It is important to wear gloves and safety goggles when handling RC Catalyst 105. It is also important to keep RC Catalyst 105 away from children and pets.


The RC Catalyst 105 should be stored in a cool, dry place. It should be stored in an airtight container to prevent moisture from entering.


RC Catalyst 105 should be disposed of in accordance with local regulations. Always consult a hazardous waste disposal company to ensure safe disposal of the RC Catalyst 105.



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