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TIB KAT 248 is applied in the formulation of ame-retardant materials, where it aids in the production of polymers that meet reresistance standards for safety-critical applications.
TIB KAT 248 is applied in the production of biodegradable polymers, where it helps polymerize renewable feedstocks, leading to the creation of sustainable materials with desirable properties.
TIB KAT 248 is used in the manufacture of polymeric bers, where it aids in the polymerization process to create materials with high strength, toughness, and desired texture.
CAS Number: 818-08-6
Molecular Formula: C₈H₁₈OSn
Molecular Weight: 248.94 g/mol
EC Number: 212-449-1
Synonyms: Dibutyltin oxide, 818-08-6, Dibutyloxotin, Stannane, dibutyloxo-, Dibutyloxostannane, Dibutylstannane oxide, Dibutyltin(IV) oxide, Tin, dibutyloxo-, Dibutyloxide of tin, Dibutylstannium oxide, Di-n-butyl-zinn-oxyd, dibutylstannanone, Tin, dibutyl-, oxide, dibutyl(oxo)stannane, Kyslicnik di-n-butylcinicity, Di-n-butyl-zinn-oxyd [German], EINECS 212-449-1, Kyslicnik di-n-butylcinicity [Czech], NSC 28130, UNII-T435H74FO0, BRN 4126243, T435H74FO0, NSC-28130, DIBUTYLTIN OXIDE [MI], DTXSID4027315, EC 212-449-1, DTXCID607315, 212-449-1, dibutyl(oxo)tin, DI-N-BUTYLTIN OXIDE, DBOT, Dibutyltinoxide, MFCD00001992, dibutyl tinoxide, di-butyltin oxide, dibutyl tin oxide, dibutyl-tin-oxide, di-butyl tin oxide, dibutyl(oxo)stannum, di-n-butyltin-oxide, di-n-butyl tin oxide, dibutyltin (IV) oxide, di-n-butyl(oxo)stannane, dibutyl(oxidanylidene)tin, SCHEMBL15123, Dibutyltin(IV) oxide, purum, Dibutyltin(IV) oxide, 98%, WLN: O-SN-4&4, NSC28130, AKOS015839513, NCGC00164074-01, NCI60_002289, DB-056553, NS00042353, D95293, EN300-6482113, A840199, Q2677909, F0001-2101
TIB KAT 248 is employed in the production of thermoplastic polyurethanes (TPU), where it helps polymerize monomers to create exible, high-performance materials used in automotive and industrial applications.
TIB KAT 248 is an organotin catalyst by TIB Chemicals.
TIB KAT 248 is used in paints and coatings.
TIB KAT 248 is used in the formulation of packaging lms, where it ensures the production of materials that oer barrier properties, improving product shelf life and protection.
TIB KAT 248 is used in the production of high-performance plastics for the electronics industry, where it helps create durable, heatresistant materials used in electronic components and devices.
TIB KAT 248 is used in the production of foamed polymers, where it helps create lightweight materials that provide excellent thermal and acoustic insulation properties.
TIB KAT 248 is employed in the synthesis of advanced automotive materials, where it facilitates the production of polymers with high strength, exibility, and resistance to harsh environmental conditions.
TIB KAT 248 is used in the formulation of coatings for pipes and industrial equipment, where it helps enhance the durability and resistance of the materials to chemicals, abrasion, and temperature uctuations.
TIB KAT 248 is applied in the development of polyolen-based materials for building and construction, where it helps create polymers that provide strength and resistance to environmental factors.
TIB KAT 248 is used in the manufacturing of medical tubing, where it aids in the polymerization of materials that are exible, durable, and biocompatible for use in various medical devices.
TIB KAT 248 is employed in the production of gel formulations, where it helps control the polymerization process, ensuring a smooth, consistent texture in gels used in personal care and medical products.
TIB KAT 248 is used in the production of specialty adhesives for industrial applications, where it helps improve the polymerization process to produce strong, reliable bonds.
TIB KAT 248 is employed in the synthesis of high-strength composites, where it helps create materials that combine the properties of polymer matrices with reinforcement to achieve superior mechanical strength.
TIB KAT 248 is used in the formulation of water-based coatings, where it enhances the polymerization of resins, ensuring improved performance and durability of the coatings.
TIB KAT 248 is applied in the production of exible packaging materials, where it helps create polymers that provide strength, resistance to punctures, and ease of processing.
TIB KAT 248 is used in the production of nonwoven fabrics, where it helps polymerize the material to achieve the desired strength, exibility, and durability.
TIB KAT 248 is a solid, amorphous catalyst that is used for the synthesis of polyurethane systems, transesterification, polycondensation reactions.
It is available in different particle-size distributions for application as an ingredient of electro-deposition paint.
TIB KAT 248 is also suitable for the transesterification of vinyl acetate or acrylic acid copolymers.
Appearance: White to o-white crystalline solid
Odor: Odorless
Solubility: Insoluble in water; soluble in organic solvents (e.g., toluene, xylene)
Melting Point: Approx. 300°C (decomposes)
Density: Approx. 1.5 g/cm³
Reactivity: Highly active as an esterication and crosslinking catalyst
Stability: Thermally stable; moisture sensitive
Storage Temperature: 10–30°C in dry conditions
Shelf Life: 12–24 months in sealed containers
TIB KAT 248 is employed in the production of high-performance coatings, where it helps produce polymers that provide superior protection and resistance to environmental factors.
TIB KAT 248 is used in the production of adhesives, where it acts as a catalyst for polymerizing monomers, improving the strength and durability of the nal adhesive product.
TIB KAT 248 is applied in the synthesis of impact-resistant plastics, where it helps create polymers that are tough and durable, making them suitable for applications like packaging and automotive parts.
TIB KAT 248 is used in the production of medical-grade polymers, where it enables the creation of biocompatible materials for medical devices and implants.
TIB KAT 248 is employed in the synthesis of copolymers, where it allows precise control over the polymerization process, producing materials with custom properties for specic applications.
TIB KAT 248 is used in the formulation of high-strength thermoplastic elastomers, where it helps achieve the desired molecular weight and structural properties for use in automotive and industrial applications.
TIB KAT 248 is used in the production of wire coatings, where it helps improve the polymerization process to produce insulating materials with excellent performance under high temperatures.
TIB KAT 248 is applied in the manufacturing of polymeric composites, where it helps to create strong, lightweight materials used in aerospace, automotive, and construction industries
TIB KAT 248 is a high-performance organotin catalyst primarily composed of dibutyltin oxide (DBTO), used in a wide range of chemical and industrial processes.
TIB KAT 248 is especially eective in promoting reactions such as esterication, transesterication, and the curing of resins, coatings, silicones, and polyurethane systems.
TIB KAT 248 oers consistent reactivity, thermal stability, and strong catalytic activity, making it ideal for applications requiring durable, cross-linked polymers.
TIB KAT 248 is a white to o-white crystalline powder or granule with no odor.
TIB KAT 248 is an organotin compound with strong Lewis acid character, making it eective for catalyzing various condensation and addition reactions.
TIB KAT 248 is known for high thermal stability and resistance to hydrolysis under standard conditions.
TIB KAT 248 dissolves in organic solvents such as toluene, xylene, and alcohols, but is insoluble in water.
TIB KAT 248 is eective at low concentrations and delivers reproducible performance in both batch and continuous processes.
TIB KAT 248 complies with industrial standards for consistency and catalytic eciency.
TIB KAT 248 is a highly ecient catalyst used in the polymerization of olens, especially in the production of high-density polyethylene (HDPE) and polypropylene, providing high-performance materials with customized properties.
TIB KAT 248 is a titanium-based catalyst that promotes the polymerization of monomers like ethylene and propylene, enabling the production of polymers with specic molecular weight and structure.
TIB KAT 248 is known for its ability to control polymerization reactions, ensuring the production of polymers with enhanced mechanical strength, heat resistance, and chemical stability.
Uses:
TIB KAT 248 is widely employed as a catalyst in the production of plasticizer esters such as DOP (dioctyl phthalate), DOA (dioctyl adipate), and DINP (diisononyl phthalate), where its activity enhances esterification and transesterification processes, leading to high yields and purer final products
It is an effective catalyst for synthesizing polyester resins, especially complex saturated polyesters and polyester polyols used in coatings, adhesives, and composite materials; its catalytic efficiency ensures consistent polymer molecular weight and low levels of unwanted by-products .
TIB KAT 248 is used in the formation of alkyd resins, including “skinny,” medium-fat, and fatty alkyds, as well as urethane-modified and silicone-modified alkyd resins; through catalyzing polycondensation reactions involving polyols, acids, and oils, it contributes to improved viscosity control, drying behavior, and durability in paints and varnishes
Its versatility extends to polycarbonate production, where it enables the polycondensation of carbonate monomers, facilitating the manufacture of clear and heat-resistant polycarbonates .
The catalyst plays a significant role in urethane chemistry, particularly in the production of polyurethane adhesives, sealants, elastomers, hot-melt systems, and self-leveling floor coatings; by promoting urethane formation through reaction of isocyanate and polyol groups, it enhances cure speed, mechanical strength, and product uniformity
TIB KAT 248 remains soluble in ester media, making it suitable for esterifications under mild to moderate conditions (up to ~120 °C), which helps minimize turbidity and maintain clarity in oleochemical and resin formulations
It is often used in silane- or silicone-condensation reactions, such as those in silicone sealants or silane-modified polymers, where it catalyzes hydrolysis–condensation steps and assists in crosslinking to yield materials with improved mechanical and sealing properties .
In oleochemistry—the transformation of natural fats into esters—TIB KAT 248 is chosen for its high selectivity and yield in transesterification, producing esters for lubricants, surfactants, and cosmetic or food-grade applications with fewer impurities and better visual clarity.
TIB KAT 248 is widely used in the manufacturing of thermoplastic polyolens, which are employed in a variety of industries, including automotive, packaging, and construction, due to their durability and processability.
TIB KAT 248 is widely used in polyurethane systems for foam, adhesive, and elastomer curing.
TIB KAT 248 is included in coating systems to enhance crosslinking and lm durability.
TIB KAT 248 is employed in esterication and transesterication reactions in the production of plasticizers, lubricants, and esters.
TIB KAT 248 is used in silicone resin and RTV formulations to promote hydrolysis and condensation.
TIB KAT 248 is applied in polymerization and crosslinking of alkyd, epoxy, and acrylic resins.
TIB KAT 248 is suitable for heat-resistant and moisture-cured products in industrial and construction applications.
TIB KAT 248 is used as a catalyst in the polymerization of olens, particularly in the production of high-density polyethylene (HDPE) and polypropylene, where it helps produce polymers with high molecular weight and excellent mechanical properties.
TIB KAT 248 is employed in the production of specialty elastomers, where it helps control the polymerization process to create materials with enhanced exibility and durability.
TIB KAT 248 is used in the synthesis of thermoplastic polyolens (TPO), where it facilitates the polymerization of monomers to produce high-performance materials suitable for automotive and industrial applications.
Safety Profile:
Contact with the skin may lead to irritation or corrosion (Skin Irritation Category 2), while exposure to the eyes can cause severe or permanent damage (Serious Eye Damage Category 1); protective gloves and eye protection are essential
TIB KAT 248 may also induce allergic skin reactions, with some individuals experiencing sensitization upon repeated exposure .
The substance is suspected of causing genetic defects (Germ Cell Mutagenicity Category 2), indicating potential DNA damage risks.
It is known to impair fertility and may harm unborn children (Reproductive Toxicity Category 1B); as such, it is vital to minimize exposure for individuals of reproductive age.
Though acute inhalation risk is lower, the compound’s fine dust can be irritating, and inhaling it may be harmful; proper respiratory protection and ventilation are strongly recommended.
This substance is highly toxic to aquatic organisms, including algae, fish, and crustaceans, and can cause long-lasting environmental damage even at low concentrations; disposal down drains or in water systems must be strictly avoided
