Dibutyltin diacetate (DBTA) is used PU catalyst, RTV silicone rubber.
Dibutyltin diacetate (DBTA) is used as a stabilizer in chlorinated organics, and as a catalyst for condensation reactions.
Dibutyltin diacetate (DBTA) is used as a stabilizer for polyvinyl chloride.
CAS Number: 1067-33-0
EC Number: 213-928-8
MDL Number:MFCD00008697
Chemical Name: Dibutyltin diacetate (DBTA)
Linear Formula: (CH3CH2CH2CH2)2Sn(OCOCH3)2
Molecular Formula:C12H24O4Sn
Molecular Weight: 351.03 g/mol
SYNONYMS:
Acetic acid,1,1′-(dibutylstannylene) ester, Dibutyltin diacetate, Stannane,diacetoxydibutyl-, Stannane,bis(acetyloxy)dibutyl-, Diacetoxydibutyltin, Ba 2726, Dibutyltin acetate, Diacetoxydibutylstannane, T 1 (catalyst), T 1, Syl-off 23A, NSC 8786, Fascat 4200, Metacure T 1, U 200, S-Cat 8, S-Cat 8F, Fomrez SUL 3, Tegokat 233, Dibutyldiacetoxytin, TK 14, Neostann U 200, Di-n-butyltin(II) acetate, BNT-CAT 400, (Acetyloxy)dibutylstannyl acetate, D 70, Dibutyltin acetate, ba2726, Ba 2726, SKL1104, NCI-C02028, Syl-off-23A, fomrezsul-3, FASCAT 4200, TIB KAT 233, Fomrez sul-3, Dibutyltin Diacetate (DBTDA), FASCAT 4200, TIB KAT 233, TIB KAT 233 S, Ba 2726, ba2726, bis(acetyloxy)dibutylstannane, Diacetoxydibutyltin, bis(acetyloxy)dibutyl-stannan, Bis (acetyloxy) dibutylstannane, bis(acetyloxy)dibutyl-Stannane, Diacetoxybutyltin, Diacetoxydibutlyltin, diacetoxydibutyl-stannan, Dibutyltin Diacetate, Di-n-butyldiacetoxytin, dibutyl-lambda~2~-stannane-acetic acid (1:2), Diacetoxydibutyltin, Di-n-butyltin diacetate, Diacetoxydibutylstannane, Diacetoxybutyltin, Stannane, bis(acetyloxy)dibutyl-, DBTDA, DBTA, T 1 (Catalyst), FASCAT 4212, Metacure T-1, Fomrez SUL-3, FASCAT4200 catalyst, dibutyltin diacetate, bis(acetoxy)dibutylstannane, dibutyltin diacetate, dibutylstannane diacetate, DBTA dibutyltin diacetate, dibutyltin acetate, DIBUTYLTIN DIACETATE dibutyltin diacetate, bis( Acetoxy) dibutylstannane, dibutyltin diacetate, dibutyltin diacetate, dibutyltin acetate, CAS 1067-33-0, DBTA , DBTDA, Dibutyltin acetate, Di-n-butyltin diacetate, Diacetoxydibutyltin, Diacetoxybutyltin, T 1 (Catalyst), Diacetoxydibutylstannane, FASCAT 4200
Dibutyltin diacetate (DBTA) is an organotin compound with the chemical formula C₁₂H₂₄O₄Sn.
Dibutyltin diacetate (DBTA) belongs to the class of dibutyltin derivatives, where tin is bonded to organic groups (in this case, two butyl groups and two acetate groups).
Dibutyltin diacetate (DBTA) appears as a clear to pale yellow oily liquid with a vinegar-like odor due to the acetate groups.
Dibutyltin diacetate (DBTA) is known for its strong catalytic performance in promoting reactions involving esters, urethanes, and silicones.
Dibutyltin diacetate (DBTA) is a liquid catalyst for polyurethane and silicone systems and for esterification reactions.
Dibutyltin diacetate (DBTA) is an active catalyst for transesterification and urethane cross-linking reactions.
Dibutyltin diacetate (DBTA) is an organotin compound characterized by its use as a catalyst in various chemical reactions, particularly in the production of polyurethanes and silicones.
Dibutyltin diacetate (DBTA) has higher activity and rates than DBTL.
Dibutyltin diacetate (DBTA) appears as a colorless to pale yellow liquid and has a relatively low volatility.
Dibutyltin diacetate (DBTA) is soluble in organic solvents but has limited solubility in water.
Dibutyltin diacetate (DBTA)'s molecular structure consists of two butyl groups attached to a tin atom, which is further coordinated to two acetate groups, contributing to its reactivity.
Dibutyltin diacetate (DBTA) exhibits moderate toxicity and can pose environmental hazards, particularly to aquatic life, necessitating careful handling and disposal.
Dibutyltin diacetate (DBTA) is classified under various regulatory frameworks due to its potential endocrine-disrupting properties.
In industrial applications, Dibutyltin diacetate (DBTA) serves as a stabilizer and a catalyst, facilitating the polymerization processes.
Safety measures should be observed when working with Dibutyltin diacetate (DBTA), including the use of personal protective equipment and proper ventilation to minimize exposure.
Dibutyltin diacetate (DBTA) is generally immediately available in most volumes, including bulk quantities.
Dibutyltin diacetate (DBTA) is especially suitable for acetoxy sealant.
Dibutyltin diacetate (DBTA) has higher catalysis speed than dibutyltin dilaurate.
Normally the mixed ratio is DBTDA:DBTDL = 1:9 to 2:8.
Dibutyltin diacetate (DBTA), usually called DBTA, is a tin-organic catalyst and stabilizer.
The clear and colorless to yellowish liquid, Dibutyltin diacetate (DBTA), has a characteristic smell of acetic acid and is soluble in organic solvents such as toluene.
Dibutyltin diacetate (DBTA) is a clear yellow liquid.
Dibutyltin diacetate (DBTA) is an organotin compound.
Tin is a chemical element with the symbol Sn and atomic number 50.
Dibutyltin diacetate (DBTA) is a natural component of the earth's crust and is obtained chiefly from the mineral cassiterite, where it occurs as tin dioxide.
Dibutyltin diacetate (DBTA) is a clear pale yellow to yellow liquid.
Dibutyltin diacetate (DBTA) is a clear yellow liquid.
Dibutyl Tin Diacetate, also commonly known as Dibutyltin diacetate (DBTA) or DBTA, is a butyl-based organotin with a carboxylate functionality.
Dibutyltin diacetate (DBTA) is a highly reactive neat liquid butyl tin given its high tin content (33%) and related small ligand.
Dibutyltin diacetate (DBTA) contains the highest concentration of all liquid butyl tin products of the tin (IV) family of organotins.
USES and APPLICATIONS of DIBUTYLTIN DIACETATE (DBTA):
Dibutyltin diacetate (DBTA) is also used for silanol condensation and esterification.
Dibutyltin diacetate (DBTA) is applicable for Polyurethane foams, Polyurethane coatings (coil coatings, high-solids), Polyurethane adhesives, Alkyd resins, Silicone resins, Polyester resins, Fatty acid esters, Acrylic and methacrylic esters, Lubricant ester and RTV Silicones sealants (acetoxy, oxime curing; 2 K systems).
It is recommended that the appropriate addition level of Dibutyltin diacetate (DBTA) is determined experimentally.
Dibutyltin diacetate (DBTA) is primarily used as a catalyst in several industrial processes.
Dibutyltin diacetate (DBTA) is used in silanol condensation reaction, used in joint filler and sealant applications.
Dibutyltin diacetate (DBTA) is also used as catalyst of polyurethane coating.
Dibutyltin diacetate (DBTA) is used as a catalyst in the vulcanizing cure of silicones at room temperatures.
Dibutyltin diacetate (DBTA) is used as moderate to rapid cure catalyst for Silicones, Silanes & Siloxanes.
Being a neutral catalyst, Dibutyltin diacetate (DBTA) can be used in Esterifications, Trans-Esterifications in Polyurethane reactions.
Dibutyltin diacetate (DBTA) is gel catalyst, mainly used as room temperature silicone rubber curing catalyst, especially suitable for deacetic acid silicone products.
Dibutyltin diacetate (DBTA)'s characteristic is that the catalytic speed is faster than dibutyltin dilaurate.
Dibutyltin diacetate (DBTA) can be used for polyurethane elastomers and spray-coated rigid polyurethane foams, hard foam high resilience molded foam, etc.
In order to reduce its acetic acid smell, Dibutyltin diacetate (DBTA) can be used in conjunction with dibutyltin dilaurate.
The ratio of Dibutyltin diacetate (DBTA) to dibutyltin dilaurate is usually 1:9 or 2:8.
Dibutyltin diacetate (DBTA) should be tightly closed immediately after use.
Dibutyltin diacetate (DBTA) is easily hydrolyzed when exposed to air and solids will precipitate at the mouth of the bottle.
Dibutyltin diacetate (DBTA) can also be used as a catalyst for polyurethane coatings.
Dibutyltin diacetate (DBTA) is used gel Catalyst for Room temperature silicone rubber curing.
Dibutyltin diacetate (DBTA) is used multipurpose Catalyst for Ester exchange reaction, Condensation reaction of Silanol, Cross-linking reaction of Polyurethane. (Adhesives, Joint mixture).
Dibutyltin diacetate (DBTA) is used in paint Industry.
Dibutyltin diacetate (DBTA) is mainly used as curing catalyst for RTV silicone rubber, especially for deacetylated silicone products.
Dibutyltin diacetate (DBTA) is often used in silicone sealants, with special advantages for RTV silicone rubber, which are used in the automotive sector.
Its high activity makes Dibutyltin diacetate (DBTA) a particularly fast catalyst for cold-curing silicone casting resins.
These characteristics are also transferred to polyurethane-based systems, where Dibutyltin diacetate (DBTA) controls the curing time in PU adhesives and casting resins.
The area of sealants also includes the catalysis of silanol condensation reactions in silicones for joints and seals.
Dibutyltin diacetate (DBTA) is used PU catalyst, RTV silicone rubber.
Dibutyltin diacetate (DBTA) is used as a stabilizer in chlorinated organics, and as a catalyst for condensation reactions.
Dibutyltin diacetate (DBTA) is used as a stabilizer for polyvinyl chloride.
Dibutyltin diacetate (DBTA) acts as a catalyst for the preparation of silicone and urethane foams.
Further, Dibutyltin diacetate (DBTA) is used as a curing agent for silicone elastomers.
In addition to this, Dibutyltin diacetate (DBTA) is used as a precursor for thin-film tin(IV) oxide gas sensing materials by laser-assisted chemical vapor deposition.
As a catalyst, Dibutyltin diacetate (DBTA) is used in esterification reactions, transesterification reactions and in condensation reactions.
As a stabilizer, Dibutyltin diacetate (DBTA) counteracts decomposition by light and acid.
This durability opens up a wide range of possibilities, especially for plastics and applications in which curing times are to be influenced or in which materials are exposed to aggressive weather conditions.
The number of cycles of Dibutyltin diacetate (DBTA) is higher than that of the standard catalyst dibutyltin dilaurate (DBTL).
To reduce the typical smell of acetic acid and still shorten the reaction time, Dibutyltin diacetate (DBTA) can also be used together with dibutyltin dilaurate, using mixing ratios of 1:9 to 1:4.
Dibutyltin diacetate (DBTA) is widely used as a catalyst in organic synthesis, particularly in esterification and transesterification reactions.
Dibutyltin diacetate (DBTA) is also employed in the production of polyurethanes and silicones, and as a stabilizer in PVC processing.
-Dibutyltin diacetate (DBTA) in Adhesives and Sealants:
Dibutyltin diacetate (DBTA) is mainly in demand because of its effect as an esterification and transesterification catalyst and many adhesives and sealants use DBTA when a particularly fast curing speed is required, which cannot be achieved with the standard DBTDL.
⚙️ KEY INDUSTRIAL USES OF DIBUTYLTIN DIACETATE (DBTA):
-Catalyst in Polyurethane (PU) Production
Function:
Dibutyltin diacetate (DBTA) accelerates the reaction between isocyanates and polyols.
Applications:
Production of flexible and rigid foams, elastomers, adhesives, and coatings.
Benefit:
Dibutyltin diacetate (DBTA) offers fast reaction times and efficient curing.
-Esterification and Transesterification Catalyst
Dibutyltin diacetate (DBTA) is used in the production of esters from carboxylic acids and alcohols.
Dibutyltin diacetate (DBTA) is also used in biodiesel synthesis from triglycerides and methanol.
Benefit:
High yield and selectivity, operating at lower temperatures than acid catalysts.
-Catalyst for Silicone Crosslinking
Dibutyltin diacetate (DBTA) facilitates curing of RTV (Room Temperature Vulcanizing) silicones.
Dibutyltin diacetate (DBTA) is common in sealants, adhesives, and mold-making compounds.
Benefit:
Dibutyltin diacetate (DBTA) is reliable curing under ambient conditions.
-PVC Stabilizer (less common today)
Dibutyltin diacetate (DBTA) is formerly used to stabilize polyvinyl chloride (PVC) against heat degradation.
Note:
This use has declined due to environmental and toxicity concerns.
-Crosslinking Agent in Alkyd and Polyester Resins
Dibutyltin diacetate (DBTA) is used in specialty coatings, inks, and varnishes.
Benefit:
Dibutyltin diacetate (DBTA) promotes durability and chemical resistance of final product.
ECONOMIC IMPORTANCE OF DIBUTYLTIN DIACETATE (DBTA):
The same catalytic properties that make Dibutyltin diacetate (DBTA) an interesting curing catalyst for adhesives and sealants can also be applied to coating systems.
Dibutyltin diacetate (DBTA) is known as a highly active catalyst in urethane-based paints and coatings for the automotive industry and in other industrial applications.
Another field of application is oleochemistry, in which Dibutyltin diacetate (DBTA) plays a role in transesterification reactions and is used in the production of synthetic lubricants and antioxidants.
Esters for cosmetic applications, surfactant esters, fatty acid esters and acrylic acid esters can be effectively synthesized by the liquid catalyst due to Dibutyltin diacetate (DBTA)'s high conversion rates.