Dibutyltin Diacetate CAS 1067-33-0

Chemical Name: Dibutyltin diacetate

CAS No.:1067-33-0

Molecular Formula: C12H24O4Sn

Molecular weight: 351.03

Appearance: colorless to yellow liquid

Dibutyltin Diacetate Application scenarios

1. Acetic Acid-Free Room Temperature Vulcanizing (RTV) Silicone Rubber / Silicone Sealant Curing Catalyst 🧪:
Catalyzes silanol condensation, curing faster than DBTDL; typical products: RTV silicone sealants, potting compounds, molding compounds, and coatings for construction, automotive, and electronics applications; key points: often compounded with DBTDL (e.g., 1:9/2:8) to reduce acetic acid odor and control curing rate.

2. Polyurethane (PU) Crosslinking / Curing Catalyst 🛠️:
Accelerates the reaction between isocyanates and polyols, improving crosslinking density and curing speed; typical systems: PU coatings, adhesives, elastomers, foams, and sealants; key points: suitable for formulations requiring fast curing and high crosslinking density, dosage needs to be controlled to prevent scorching or bubbling.

3. Transesterification / Esterification / Condensation Reaction Catalyst (Organic Synthesis and Polymer Monomers/Raw Materials) ⚗️:
Used in transesterification, esterification, silane polycondensation, polycarbonate raw material synthesis, etc.; typical fields: synthesis of lubricants, plasticizers, antioxidants, pharmaceutical/pesticide intermediates; key points: high activity and fast reaction rate, suitable for continuous and batch processes.

4. PVC Heat Stabilizer 🧩:
Inhibits HCl degradation, improving high-temperature processing stability and initial color; typical products: rigid PVC pipes/profiles/sheets, flexible PVC films/cable compounds; key points: often compounded with lubricants and antioxidants to optimize processing window and long-term performance.

5. Coating / Ink / Adhesive Modification and Curing Promotion 🎨:
Accelerates crosslinking and curing, improving adhesion, hardness, chemical resistance, and weather resistance; typical systems: industrial anticorrosive paints, wood coatings, UV curing aids, metal substrate coatings; key points: conduct small-scale tests first to verify compatibility and yellowing risk.

Description

Dibutyltin diacetate quick Details

Chemical Name: Dibutyltin diacetate

Another Name: DBTDA

CAS No.:1067-33-0

Molecular Formula: C12H24O4Sn

Molecular weight: 351.03

Appearance: colorless to yellow liquid

Density: 1.32g/mLat 25°C(lit.)

Boiling point: 167-168°C775mm Hg(lit.)

Dibutyltin diacetatetypical Properties

Typical characteristics Value
Appearance colorless to yellow liquid
Tin content 33%
Density at 25℃ 1.32g/ml
Boiling point at 10mmHg 142~145℃
Flash point, Tag closed cup >110℃
Refractive index (20℃) 1.471

Dibutyltin diacetate Packaging

Packing: 200kgdrum

NW for 20’FCL with pallets: 1600kg (80drums )

Dibutyltin diacetate Property

DBTDAis a colorless toyellow liquid, low-temperature white crystals. DBTDAsoluble in the most common ,such as benzene, toluene, ethanol, acetone, ethyl acetate, chloroform, carbon tetrachloride, benzene, ethanol, petroleum ether and other solvents and various industrial plasticizers, DBTDAis insoluble in water.

Promotes rapid gelation and tack-freetimes

 

Dibutyltin diacetate Application

CatalystforRTV

DBTDAused as a catalyst in thevulcanizing cure of silicones at room temperatures. Especilally suitable for acetoxy sealant; Has higher catalysis speed than dibutyltindilaurate.Normally the mixed ratio is DBTDA:DBTDL=1:9 to 2:8; also as catalyst of polyurethane coating.

Product safety, handling and storage

Customers considering the use of this product should review the latest Material Safety Data Sheet and label for product safety information, handling instructions, personal protective equipment if necessary, and any special storage condition required. The “Best use before end” date of each batch is shown on the product label. Storage beyond the date specified on the label does not necessarily

mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.

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