ADDOCAT 726 B

Addocat 726 B is a polyurethane catalyst based on dimethylcyclohexylamine (DMCHA), a tertiary amine.
Addocat 726 B functions as a balanced gelling and blowing catalyst in rigid polyurethane foam systems, promoting both the gas-forming and crosslinking reactions.
Addocat 726 B is particularly effective in applications requiring enhanced dimensional stability and insulation properties.

CAS Number: 98-94-2
EC Number: 202-715-5
Molecular Formula: C₈H₁₇N
Molecular Weight: 127.23 g/mol

Synonyms: Addocat 726 B, Dimethylcyclohexylamine, DMCHA, N,N-Dimethylcyclohexylamine, Polyurethane Catalyst 726 B, Lanxess Addocat 726 B, Rhein Chemie Addocat 726 B, Addocat DMCHA, Tertiary Amine Catalyst 726 B, PU Catalyst 726 B, Addocat 726 B, PU Catalyst Addocat 726 B, Lanxess Addocat 726 B, Rhein Chemie Addocat 726 B, Polyurethane Catalyst 726 B, Addocat 726 B Amine Catalyst, Flexible Foam Catalyst 726 B, Addocat 726 B for Slabstock PU, Low Emission Catalyst 726 B, Tertiary Amine Catalyst 726 B, Addocat 726 B for Polyether Systems, PU Reaction Catalyst 726 B, Addocat 726 B PU Additive, Addocat 726 B for Low VOC Applications, Foam Production Catalyst 726 B, Addocat 726 B for Flexible Polyurethane, Lanxess PU Catalyst 726 B, Rhein Chemie Catalyst 726 B, Addocat 726 B Processing Aid, Addocat Series Catalyst 726 B, Addocat 726 B Non-Fogging Catalyst, PU System Catalyst Addocat 726 B, Addocat 726 B Emission-Controlled Catalyst, Addocat 726 B Polyurethane Additive, High-Efficiency PU Catalyst 726 B

APPLICATIONS

Addocat 726 B is used in the production of rigid polyurethane foams for insulation in refrigerators and freezers.
Addocat 726 B is applied in the continuous and discontinuous production of building boards and insulating panels with various facings.
Addocat 726 B is utilized in the foam filling of intricately shaped cavities and in-situ foam applications.

Addocat 726 B is included in the production of pipe insulation and slabstock foams.
Addocat 726 B is suitable for use in the layer-by-layer method of insulation production.
Addocat 726 B is also employed in formulations requiring enhanced flowability and dimensional stability.

Addocat 726 B is used as a catalyst in rigid polyurethane foam production, enabling efficient urethane formation and improved foam structure.
Addocat 726 B is employed in the manufacturing of refrigeration appliance foams, where it enhances thermal insulation properties.

Addocat 726 B is applied in sandwich panel production, providing improved polymerization and surface hardness in structural boards.
Addocat 726 B is used in continuous panel production lines to promote fast and uniform foam rise.

Addocat 726 B is utilized in spray foam systems to ensure rapid reaction and consistent foam quality.
Addocat 726 B is used in the production of pipe insulation foams, offering dimensional stability and thermal efficiency.

Addocat 726 B is used as a highly reactive amine catalyst in polyurethane foam production.
Addocat 726 B is especially effective in rigid foam systems.
Addocat 726 B promotes the urethane reaction for fast curing.

Addocat 726 B is widely used in the production of polyurethane insulation panels.
Addocat 726 B supports low-density foam formulations with high compressive strength.
Addocat 726 B is suitable for appliance insulation foam applications.

Addocat 726 B is used in continuous and discontinuous panel production.
Addocat 726 B enhances dimensional stability in rigid foams.
Addocat 726 B helps optimize foam rise time and cure speed.

Addocat 726 B provides excellent adhesion in sandwich panel manufacturing.
Addocat 726 B improves cell structure uniformity in rigid polyurethane foams.

Addocat 726 B supports zero-ozone-depleting blowing agent systems.
Addocat 726 B is used in PIR (polyisocyanurate) foam formulations.

Addocat 726 B helps lower the lambda value for thermal insulation efficiency.
Addocat 726 B is compatible with pentane and other hydrocarbon blowing agents.
Addocat 726 B is applied in spray foam insulation systems.
Addocat 726 B is used in construction foams for walls and roofing.

Addocat 726 B contributes to improved fire resistance in PIR foams.
Addocat 726 B ensures reliable performance under high-speed processing.

Addocat 726 B supports low-VOC emissions in rigid polyurethane systems.
Addocat 726 B is used in refrigerated transport and cold storage insulation.

Addocat 726 B provides balanced reactivity in complex foam formulations.
Addocat 726 B helps control foam expansion in precise mold applications.

Addocat 726 B aids in reducing foam brittleness in rigid structures.
Addocat 726 B improves processing window in challenging production conditions.

Addocat 726 B is applied in polyisocyanurate foam systems as a key catalyst for both blowing and gelling reactions.
Addocat 726 B is used in block foam production for cold storage rooms and freezer cabinets.

Addocat 726 B is employed in discontinuous rigid panel production to improve processing time and mechanical properties.
Addocat 726 B is used in composite board applications, aiding adhesion between the foam and facings.

Addocat 726 B is applied in foam-in-place applications for industrial sealing and thermal insulation.
Addocat 726 B is used in the automotive sector for molded insulation parts, where it ensures controlled foam expansion.

Addocat 726 B is used in the formulation of high-compression resistance foams for construction boards.
Addocat 726 B is employed in cold chain insulation foams to meet strict thermal performance standards.

Addocat 726 B is applied in continuous laminator processes for PUR and PIR boards.
Addocat 726 B is used to control the cream time and gel time in fast-curing foam systems.

Addocat 726 B is used to adjust reactivity profiles in formulations where precise timing is critical.
Addocat 726 B is used to improve cell structure uniformity in rigid foams.
Addocat 726 B is applied in pour-in-place insulation for HVAC components.

Addocat 726 B is used in pipe-in-pipe insulation systems for district heating applications.
Addocat 726 B is employed in refrigerated truck body insulation foams.

Addocat 726 B is used in the production of solar water heater tank insulation.
Addocat 726 B is applied in rigid foam systems for wall insulation panels.
Addocat 726 B is used in underfloor insulation boards where low thermal conductivity is needed.

Addocat 726 B is used in spray foam kits for construction sealing and insulation.
Addocat 726 B is employed in rigid systems requiring enhanced fire performance.

Addocat 726 B is used in manufacturing pipe supports for industrial equipment.
Addocat 726 B is applied in the development of low-VOC foam systems.

Addocat 726 B is used in building facades where structural integrity and insulation must be combined.
Addocat 726 B is employed in the insulation of chemical storage tanks requiring stable foam performance.

DESCRIPTION

Addocat 726 B is a clear, colorless to pale yellow liquid with a mild amine odor.
Addocat 726 B is partially miscible with water and soluble in most organic solvents.
Addocat 726 B is known for its balanced activity, promoting both the blowing and gelling reactions in polyurethane systems.

Addocat 726 B ensures uniform cell structure and improved mechanical properties in rigid foams.
Addocat 726 B is typically used in combination with co-catalysts like Addocat PV, Addocat 108, or Addocat 102 to optimize foam characteristics.

Addocat 726 B is a reactive polyurethane catalyst based on tertiary amines designed for rigid foam systems.
Addocat 726 B promotes both blowing (CO₂ generation) and gelling (urethane formation) reactions in polyurethane foam.

Addocat 726 B is a low-viscosity liquid, allowing easy incorporation into polyol premixes.
Addocat 726 B is used to fine-tune reactivity in both PIR and PUR foam formulations.

Addocat 726 B contributes to fine, uniform cell structures and high dimensional stability in rigid foams.
Addocat 726 B offers a balanced reaction profile that reduces foam collapse and improves flow.

Addocat 726 B has excellent compatibility with polyether and polyester polyols.
Addocat 726 B helps meet insulation foam performance standards such as EN and ASTM classifications.

Addocat 726 B can be used alone or in combination with other blowing or gelling catalysts.
Addocat 726 B is typically dosed between 0.8 and 1.5 parts per hundred polyol, depending on system reactivity and application.

PROPERTIES

Chemical Formula: C₈H₁₇N
Molecular Weight: 127.23 g/mol
Common Name: Addocat 726 B
Appearance: Clear, colorless to pale yellow liquid
Odor: Mild amine odor
Density (20°C): ~0.85 g/cm³
Viscosity (25°C): ~1.16 mPa·s
Boiling Point: 162–165°C
Freezing Point: ~-60°C
Flash Point: ~41°C (DIN 51755)
Solubility: Partially miscible with water; soluble in organic solvents
Active Substance Content: ≥99.0%
Water Content: ≤0.25%
Storage Temperature: ~20°C
Shelf Life: 12 months in sealed containers

FIRST AID

Inhalation:
Move to fresh air.
Seek medical attention if respiratory symptoms occur.

Skin Contact:
Wash skin thoroughly with soap and water.
Remove contaminated clothing.
Seek medical advice if irritation develops.

Eye Contact:
Rinse eyes cautiously with water for several minutes.
Remove contact lenses if present and easy to do.
Continue rinsing. Seek medical attention if irritation persists.

Ingestion:
Rinse mouth.
Do not induce vomiting.
Seek immediate medical attention.

Note to Physicians:
Treat symptomatically.
Monitor for respiratory and gastrointestinal symptoms.

HANDLING AND STORAGE

Handling:
Use appropriate personal protective equipment (PPE) including gloves and safety goggles.
Ensure adequate ventilation in the working area.
Avoid inhalation of vapors and contact with skin and eyes.

Spill and Leak Procedures:
Contain and collect spillage with non-combustible absorbent materials.
Dispose of according to local regulations.

Storage:
Store in tightly closed containers in a cool, dry, and well-ventilated place.
Protect from moisture and incompatible materials such as strong oxidizing agents.

Handling Cautions:
Addocat 726 B is hygroscopic and should be protected from atmospheric humidity.
It may discolor upon exposure to air and light without losing its catalytic effect.
Prolonged exposure to temperatures above 30°C may cause discoloration, even in closed containers.