TIB KAT 223

TIB KAT 223 is a high-performance organotin catalyst primarily composed of dioctyltin diketanoate, engineered for polycondensation reactions and crosslinking of silane-terminated systems.
TIB KAT 223 is particularly effective in curing 1-component MS polymer systems, RTV silicone resins, and polyurethane sealants, delivering fast tack-free times and low toxicity compared to traditional organotin catalysts.
Its broad compatibility with common resin systems and low VOC profile makes it an excellent catalyst for adhesives and sealants in construction, electronics, and automotive sectors.

CAS Number: 54068-28-9
EC Number: Not assigned (formulated product)
Molecular Formula: Proprietary organotin compound
Molecular Weight: Approx. 543.1 g/mol

Synonyms: Dioctyltin diketanoate, TIB KAT® 223, TIB KAT 223 catalyst, TIB KAT 223 MS polymer catalyst, Organotin catalyst for RTV silicones, Silane curing catalyst TIB KAT, One-component MS curing catalyst, Polycondensation catalyst TIB KAT 223, Low-VOC tin catalyst, Dioctyltin diketone catalyst, TIB KAT 223, Dioctyltin diketanoate, DOTDK, Dioctyltin dineodecanoate, Dioctyltin di(2,4-pentanedionate), Dioctyltin acetylacetonate, Dioctyltin β-diketonate, DOTDK catalyst, Organotin catalyst TIB KAT 223, Tin-based catalyst TIB KAT 223, TIB KAT 223 RTV catalyst, TIB KAT 223 MS polymer catalyst, TIB KAT 223 STP catalyst, TIB KAT 223 silane curing agent, TIB KAT 223 silicone catalyst, TIB KAT 223 alkoxy silicone catalyst, TIB KAT 223 oxime silicone catalyst, TIB KAT 223 moisture-sensitive catalyst, TIB KAT 223 dioctyltin catalyst, TIB KAT 223 tin diketonate catalyst, TIB KAT 223 silane-modified polymer catalyst, TIB KAT 223 single-component system catalyst, TIB KAT 223 RTV silicone curing agent, TIB KAT 223 MS polymer curing catalyst, TIB KAT 223 STP curing catalyst, TIB KAT 223 silane system catalyst, TIB KAT 223 silicone system catalyst, TIB KAT 223 alkoxy-based silicone catalyst, TIB KAT 223 oxime-based silicone catalyst, TIB KAT 223 moisture-curing catalyst

APPLICATIONS

TIB KAT 223 is used in curing 1-component MS (modified silane) polymer systems for construction sealants and adhesives.
TIB KAT 223 is employed in RTV silicone formulations for enhanced polycondensation reactivity and surface properties.
TIB KAT 223 is utilized in the curing of silyl-terminated polyurethanes and silane-crosslinking elastomers.

TIB KAT 223 is added to hybrid sealants requiring extended open time and fast tack-free development.
TIB KAT 223 is suitable for solvent-free formulations with low VOC requirements.
TIB KAT 223 is compatible with a wide variety of plasticizers, fillers, and resins.

TIB KAT 223 is used in automotive adhesives and windshield bonding materials.
TIB KAT 223 is applied in electronics encapsulation and insulation sealants with moisture-curing performance.
TIB KAT 223 is employed in paintable sealants to promote fast curing without surface tack.

TIB KAT 223 supports excellent adhesion to glass, metals, plastics, and concrete in industrial sealant systems.
TIB KAT 223 enables stable curing behavior in formulations under humid or dry conditions.
TIB KAT 223 can replace traditional tin catalysts where improved safety and performance are prioritized.

TIB KAT 223 is used as a highly reactive amine catalyst in rigid polyurethane foam systems.
TIB KAT 223 accelerates both gelling and blowing reactions in PU formulations.
TIB KAT 223 is especially suitable for rigid and polyisocyanurate (PIR) foams.

TIB KAT 223 is widely used in insulation panels for construction and refrigeration.
TIB KAT 223 ensures rapid cure and early handling strength in rigid foam production.
TIB KAT 223 supports continuous and discontinuous panel manufacturing processes.

TIB KAT 223 provides excellent dimensional stability in high-performance rigid foams.
TIB KAT 223 is compatible with hydrocarbon, HFO, and HFC blowing agents.

TIB KAT 223 promotes fine and uniform cell structure for better insulation performance.
TIB KAT 223 is used in appliance insulation, such as refrigerators and freezers.

TIB KAT 223 enhances compressive strength in rigid foam components.
TIB KAT 223 reduces processing time and improves productivity.

TIB KAT 223 contributes to low k-values for energy-efficient insulation.
TIB KAT 223 supports flame-retardant formulations in building insulation.

TIB KAT 223 enables better flow and mold-filling in complex rigid foam shapes.
TIB KAT 223 provides consistent curing behavior under varying environmental conditions.
TIB KAT 223 allows precise control over foam rise and gel times.

TIB KAT 223 is used in spray foam insulation systems for buildings and roofs.
TIB KAT 223 improves foam adhesion to substrates in composite panels.

TIB KAT 223 ensures low shrinkage and good edge definition in block foam.
TIB KAT 223 is compatible with polyester and polyether polyol systems.

TIB KAT 223 contributes to thermal resistance in cold-chain insulation applications.
TIB KAT 223 is used in pipe and duct insulation foam systems.

TIB KAT 223 provides stable reactivity in high-speed production lines.
TIB KAT 223 supports high-performance foam systems with minimal brittleness.

TIB KAT 223 reduces surface friability in rigid foam panels.
TIB KAT 223 enables improved surface quality for laminated panel skins.
TIB KAT 223 supports formulations requiring early demolding.

TIB KAT 223 is selected for rigid foams with excellent structural integrity.
TIB KAT 223 is suitable for use in sandwich panels for wall and roof insulation.

TIB KAT 223 helps achieve uniform expansion and cell distribution in PIR foams.
TIB KAT 223 enhances the fire behavior of PU systems when used with flame retardants.
TIB KAT 223 supports compliance with building energy and safety standards.

TIB KAT 223 is effective in formulations with high polyisocyanurate content.
TIB KAT 223 enables cost-effective rigid foam production with reduced catalyst loading.

TIB KAT 223 provides stable performance in foam systems exposed to temperature cycling.
TIB KAT 223 is used in closed-cell foam systems for moisture resistance.

TIB KAT 223 contributes to the structural stability of thermal insulation boards.
TIB KAT 223 is a key catalyst in rigid foam applications requiring high thermal efficiency.

DESCRIPTION

TIB KAT 223 is a clear to slightly yellowish liquid organotin catalyst with a mild odor.
TIB KAT 223 is based on dioctyltin diketanoate and offers low toxicity and good environmental performance compared to older tin catalysts like DBTL.
TIB KAT 223 is highly effective in catalyzing moisture-curing reactions and polycondensation processes.

Its compatibility with both alkoxy and silanol-functional polymers makes it versatile in silicone and MS hybrid formulations.
TIB KAT 223 improves workability and pot life, while ensuring rapid curing and high final bond strength.
Due to its organometallic nature, it must be handled and stored with care to avoid hydrolysis.

TIB KAT 223 is stable under standard storage conditions and is supplied in moisture-protected packaging for optimal shelf life.
TIB KAT 223 remains active even at low concentrations, allowing cost-efficient usage in advanced adhesive and sealant systems.

TIB KAT 223 is a high-performance catalyst used in condensation reactions, particularly in the synthesis of polyurethanes and silane-terminated polymers.
TIB KAT 223 is based on dioctyltin diketanoate and is suitable for replacing TIB KAT 226 in various applications.
TIB KAT 223 is effective in catalyzing polycondensation reactions of RTV silicone resins and silane-terminated polymers.

TIB KAT 223 is miscible with organic solvents but is sensitive to moisture, necessitating careful storage conditions.
TIB KAT 223 is utilized in one-component MS silyl systems, enhancing the curing process.

TIB KAT 223 has a molecular weight of 543.1 g/mol and appears as a clear liquid.
TIB KAT 223 is available in special formulations upon request, allowing customization for specific applications.
TIB KAT 223 can be stored for at least one year if kept closed in the original packaging and protected from humidity.

TIB KAT 223 is supplied in 200 kg drums and 1,000 kg IBCs, with other packaging sizes available upon request.
TIB KAT 223 is part of TIB Chemicals' range of organometallic catalysts, which are widely used in the catalysis of polyurethanes and silane-terminated polymers.

PROPERTIES

Chemical Nature: Dioctyltin diketanoate (organotin compound)
Molecular Weight: ~543.1 g/mol
Common Name: TIB KAT 223
Appearance: Clear liquid
Odor: Mild
Density: Approx. 1.05–1.10 g/cm³
Solubility: Miscible with organic solvents; hydrolytically sensitive
Reactivity: Reacts with water and moisture
Flash Point: >100°C
Thermal Stability: Stable under standard processing conditions
Storage Temperature: 10–30°C in dry conditions
Shelf Life: At least 12 months in unopened, sealed containers
Packaging: 200 kg drums or 1000 kg IBCs (on request)

FIRST AID

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

Skin Contact:
Wash thoroughly with soap and water.
Remove contaminated clothing.
Seek medical help if irritation occurs.

Eye Contact:
Flush eyes with water for at least 15 minutes.
Remove contact lenses if possible.
Consult medical personnel if irritation continues.

Ingestion:
Do not induce vomiting.
Rinse mouth and seek medical attention immediately.

Note to Physicians:
Treat symptomatically.
No specific antidote known.

HANDLING AND STORAGE

Handling
Use in a well-ventilated area.
Wear appropriate PPE including gloves and goggles.
Avoid exposure to moisture during formulation.

Spill and Leak Procedures
Contain spill with inert material.
Prevent entry into waterways.
Dispose of waste in accordance with local regulations.

Storage
Store in tightly closed containers in a cool, dry, well-ventilated area.
Protect from humidity and frost.
Use nitrogen blanketing for opened containers if possible.