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TIB KAT 233 S facilitates rapid and controlled curing and crosslinking reactions, enabling manufacturers to produce superior-quality foams, elastomers, coatings, adhesives, and sealants.
TIB KAT 233 S is a specialized organotin catalyst widely used in industrial chemical processes, particularly in the production of polyurethanes and silicone-based materials.
TIB KAT 233 S is a stannous octoate (also known as dibutyltin dilaurate) formulation that serves as a highly efficient catalyst, accelerating chemical reactions such as the curing and cross-linking of polymers, especially those involving isocyanates and hydroxyl-containing compounds.
CAS Number: 22673-19-4
Molecular Formula: C18H32O4Sn
Molecular Weight: 431.15
EINECS Number: 245-152-0
Synonyms: DIBUTYLTIN DIACETATE, 1067-33-0, Diacetoxybutyltin, Diacetoxydibutyltin, Stannane, bis(acetyloxy)dibutyl-, Di-n-butyltin diacetate, Bis(acetyloxy)dibutylstannane, Dibutyl tin diacetate, T 1 (Catalyst), Stannane, diacetoxydibutyl-, Diacetoxydibutylstannane, Dibutylstannium diacetate, Fomrez sul-3, Diacetoxydibutlyltin, Dibutyltin di(acetate), Dibutyltin acetate, Tin, dibutyl-, diacetate, BA 2726, NCI-C02028, Di-n-butyldiacetoxytin, Dibutyldiacetoxystannane, Caswell No. 293A, BC9AZH1UZG, NSC 8786, CCRIS 218, bis(acetyloxy)(dibutyl)stannane, DTXSID3020419, HSDB 4115, Acetic acid, 1,1'-(dibutylstannylene) ester, NSC-8786, EINECS 213-928-8, DTXCID30419, DIBUTYLTIN DIACETATE [HSDB], EC 213-928-8, Ti(catalyst), Dibutly Tin Diacetate, bis(acetyloxy)dibutyl stannane, Fomrez sul3, Dinbutyltin diacetate, DIACETOXYBUTYLIN, Dibutyltin diacetic acid, Diacetoxydibutyl stannane, Tin, dibutyl, diacetate, METACURE T 1, Stannane, diacetoxydibutyl, SYL-OFF 23A, S-CAT 8, FASCAT 4200, TIN,DIBURYL-,DIACETATE, Stannane, bis(acetyloxy)dibutyl, (acetyloxy)dibutylstannyl acetate, U 200 (TIN COMPOUND), U 200, 213-928-8, [acetyloxy(dibutyl)stannyl] Acetate, T 1, Metacure T-1, Bis(acetato)dibutyltin, Tin, diacetate, T 1 (VAN), EINECS 241-521-5, 17523-06-7, UNII-BC9AZH1UZG, NSC8786, WLN: 1VO-SN-4&4&OV1, Tox21_200116, [acetyloxy(dibutyl)stannyl] ethanoate, Dibutyltin diacetate, technical grade, MFCD00008697, AKOS006029123, NCGC00164363-01, NCGC00164363-02, NCGC00257670-01, NCI60_041940, CAS-1067-33-0, NS00077146, acetic acid [acetyloxy(dibutyl)stannyl] ester, F88278, A801493, Q27274595, Ba 2726;ba2726;bis(acetyloxy)dibutyl-stannan;Bis(acetyloxy)dibutylstannane;bis(acetyloxy)dibutyl-Stannane;Diacetoxybutyltin;Diacetoxydibutlyltin;diacetoxydibutyl-stannan
TIB KAT 233 S is a high-performance organotin catalyst based on dibutyltin dilaurate, widely used in polyurethane and silicone manufacturing processes.
This catalyst is valued for its ability to promote fast and controlled reactions, leading to improved processing times and enhanced final product properties.
Its "S" designation typically indicates a specific grade or formulation optimized for stability, purity, or ease of handling in industrial applications.
Its formulation offers excellent stability, solubility, and catalytic activity, making it a preferred choice in industries where precision and product performance are critical.
TIB KAT 233 S is extensively utilized across various industries due to its versatility and effectiveness in catalyzing multiple chemical reactions.
TIB KAT 233 Ss role in transesterification reactions makes it valuable in the production of acrylics, oleochemicals, and other esters, contributing to the manufacturing of synthetic lubricants and antioxidants .
TIB KAT 233 S is a catalyst for PU coatings and silicone systems.
High catalytic efficiency, which reduces reaction times and increases production throughput.
Compatibility with a wide range of substrates and resin systems, making it versatile across multiple industries.
Good solubility in organic solvents and resin matrices, ensuring uniform distribution and consistent reaction rates.
Stable and easy to handle, with formulations designed to reduce odor and improve storage life.
Ability to produce high-quality finished products with excellent mechanical and chemical resistance properties.
TIB KAT 233 S is also a key component in the synthesis of polyurethane coatings and adhesives, where its inclusion improves the curing time, bonding strength, and overall durability of the final product.
TIB KAT 233 S is a catalyst that can be used in esterification and transesterification reactions.
TIB KAT 233 S is also used in the reaction between isocyanates and alcohols.
TIB KAT 233 S consists mainly of dibutyltin dilaurate, a compound where two butyl groups are attached to a tin atom along with laurate (a fatty acid ester) ligands.
This structure makes it soluble in organic solvents and compatible with many resin systems, allowing it to effectively catalyze reactions under moderate temperatures.
The compound acts by coordinating with reactive groups on polymer chains, thus lowering activation energy and increasing reaction rates.
TIB KAT 233 S is available in India and Japan and Malaysia and Myanmar, South Korea and Thailand.
In the coatings sector, TIB KAT 233 S is employed to enhance the performance of paints and varnishes.
TIB KAT 233 S distributed by DKSH is a catalyst for PU and silicone system.
It promotes curing and crosslinking reactions, leading to improved film formation, adhesion, and overall durability of the coatings.
TIB KAT 233 S is designed for polycondensation reactions of RTV silicon resins, silanes and 1 component MS Silyl systems.
Melting point: 7-10 °C (lit.)
Boiling point: 142-145 °C, 10 mm Hg (lit.)
Density: 1.32 g/mL at 25 °C (lit.)
Vapor density: 12 (vs air)
Vapor pressure: 1.3 mm Hg (25 °C)
Refractive index: n20/D 1.471 (lit.)
Flash point: >230 °F
Storage temp.: Store below +30 °C
Solubility: 0.006 g/L
Form: Liquid
Color: Colorless
Specific Gravity: 1.32
Water Solubility: Insoluble
BRN: 4136035
TIB KAT 233 S is suitable for use in paints and coatings.
TIB KAT 233 S is a high-performance organotin catalyst produced by TIB Chemicals, primarily composed of dibutyltin diacetate (DBTA), with the chemical formula C₁₂H₂₄O₄Sn and CAS number 1067-33-0.
This clear, colorless to pale yellow liquid contains a tin content ranging from 32.5% to 34.0% and is slightly sensitive to moisture, necessitating careful storage and handling .
TIB KAT 233 S is extensively used as a catalyst in the manufacture of polyurethane foams, elastomers, adhesives, coatings, and sealants.
In these systems, it accelerates the reaction between isocyanates and polyols, enabling faster curing times and improved mechanical properties such as flexibility, tensile strength, and durability.
This results in high-performance polyurethane products with enhanced consistency and reduced production cycles.
In silicone chemistry, TIB KAT 233 S catalyzes condensation and addition reactions essential for forming silicone elastomers, coatings, and sealants.
It facilitates the formation of crosslinked networks, which provide silicones with their characteristic elasticity, thermal stability, and chemical resistance.
This catalyst is particularly favored for applications requiring precise control over curing speed and final material properties.
Due to its ability to catalyze polymerization and cross-linking, TIB KAT 233 S is used in various adhesive and sealant formulations, helping achieve strong bonding, quick setting times, and excellent resistance to environmental factors such as moisture, heat, and chemicals.
In coating formulations, this catalyst promotes the curing of polyurethane or silicone-based coatings, improving gloss, hardness, and resistance to abrasion or chemicals.
Its high purity helps ensure that coatings remain clear and free from defects like haze or cloudiness.
Uses:
TIB KAT 233 S is widely recognized and employed as a highly effective organotin catalyst in various industrial and chemical manufacturing processes, with its primary function being to accelerate and control the curing and crosslinking reactions essential for producing high-quality polymeric materials.
Its uses span multiple sectors, particularly where polyurethane and silicone chemistries dominate, offering improved efficiency and superior final product properties.
One of the principal uses of TIB KAT 233 S is in the manufacture of polyurethane foams, where it significantly speeds up the reaction between isocyanate and polyol components.
By accelerating this critical step, the catalyst enables faster foam rise and curing times, which is invaluable in industries producing flexible foams for furniture, mattresses, automotive seating, and insulation materials.
The precise control TIB KAT 233 S provides over the reaction kinetics ensures the foam develops the desired density, resilience, and cell structure essential for both comfort and durability.
TIB KAT 233 S contributes to film formation, crosslinking, and hardening of the resin matrix.
This results in coatings with superior chemical resistance, adhesion to metal substrates, and gloss retention, which are critical for appliance coatings, automotive bodies, and metal furniture.
TIB KAT 233 S is used in polymer modification reactions, including end-capping, chain-extension, and grafting techniques.
TIB KAT 233 S is extensively used as a catalyst in the production of polyurethanes, where it facilitates the reaction between isocyanates and hydroxyl-containing compounds (polyols).
This reaction is fundamental to creating flexible foams (used in furniture, mattresses, and automotive seating), rigid foams (used in thermal insulation), as well as adhesives, sealants, and elastomers.
In flexible foams, the catalyst controls the rate of gelling and blowing reactions, ensuring the foam has a uniform cell structure and desirable softness.
Beyond foams, TIB KAT 233 S is extensively used to catalyze the formation of polyurethane elastomers, adhesives, and sealants.
In these applications, it promotes rapid crosslinking reactions that yield materials with exceptional mechanical strength, elasticity, and resistance to wear, heat, and chemicals.
For example, in automotive and construction industries, adhesives and sealants cured with TIB KAT 233 S provide strong bonds and reliable seals that withstand harsh environmental conditions, thereby enhancing the longevity and safety of the final products.
TIB KAT 233 S is also employed in electronic-grade materials, including potting compounds and conformal coatings, where it ensures effective encapsulation and insulation of delicate electronic components.
TIB KAT 233 S is utilized in the production of certain plastics and rubber materials.
It acts as a catalyst for crosslinking reactions, which improve the mechanical properties, durability, and elasticity of these polymers.
This contributes to producing items such as flexible tubing, gaskets, seals, and other components requiring consistent performance under stress and temperature variations.
TIB KAT 233 S finds applications in specialty chemical synthesis where precise catalytic activity is necessary to facilitate esterification or transesterification reactions.
This use helps in producing intermediates for pharmaceuticals, plasticizers, and other fine chemicals, where the catalyst’s efficiency and selectivity improve reaction yields and product purity.
Safety Profile:
TIB KAT 233 S is considered toxic if swallowed and can cause serious systemic effects if ingested, including damage to vital organs such as the liver and kidneys.
In addition, it can be harmful if inhaled as a vapor or aerosol, potentially causing irritation to the respiratory tract and leading to symptoms such as coughing, difficulty breathing, and chest tightness.
Skin contact with this chemical may result in irritation, redness, and in some cases allergic sensitization, especially upon prolonged or repeated exposure.
Protective gloves and clothing are therefore essential to minimize direct skin contact.
TIB KAT 233 S can cause severe irritation, redness, pain, and blurred vision.
Prolonged or accidental contact might result in more serious eye injuries.
Immediate and thorough rinsing of the eyes with water, followed by prompt medical attention, is critical in case of eye exposure.
TIB KAT 233 S can irritate the mucous membranes and respiratory tract.
High concentrations may lead to more severe respiratory distress, including inflammation or pulmonary edema in extreme cases.
To mitigate this risk, proper ventilation and the use of respiratory protective equipment are strongly recommended.
TIB KAT 233 S has been linked to toxic effects on the immune system and vital organs, including the liver and kidneys.
Chronic exposure may impair normal physiological functions, resulting in cumulative health effects.
Occupational exposure limits should be strictly adhered to in order to prevent such outcomes.
