Description

4,4'-[(Dibutylstannylene)Bis(Oxy)]Bis[(Z)-4-Oxo-2-Butenoic Acid] is a specialized organotin compound that serves as a critical intermediate and catalyst in advanced organic synthesis. Its unique structure, featuring a dibutylstannylene core linked to two (Z)-4-oxo-2-butenoic acid moieties, provides valuable reactivity for cross-coupling and polymerization reactions. This chemical is essential for researchers and manufacturers in the pharmaceutical, polymer, and fine chemical industries seeking to develop novel materials and active pharmaceutical ingredients (APIs).

Application

• Polymerization Catalyst: Acts as a catalyst or co-catalyst in the synthesis of specialized polyesters, polycarbonates, and other condensation polymers.
• Pharmaceutical Intermediate: Serves as a key building block in the multi-step synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Cross-Coupling Reactions: Utilized as an organotin reagent in Stille-type cross-coupling reactions to form carbon-carbon bonds under mild conditions.
• Fine Chemical Synthesis: Employed in the production of high-value specialty chemicals, including liquid crystals and organic electronic materials.
• Surface Modification Agent: Used to functionalize surfaces or materials due to its ability to form stable bonds with various substrates.
• Research & Development: A valuable tool for academic and industrial R&D laboratories exploring new synthetic methodologies and organometallic chemistry.

Basic Information

Product Name	4,4'-[(Dibutylstannylene)Bis(Oxy)]Bis[(Z)-4-Oxo-2-Butenoic Acid]
CAS No.	10192-92-4
Molecular Formula	C20H30O8Sn
Molecular Weight	517.15 g/mol
Synonyms	Dibutyltin Bis(acetoacetate); Dibutyltin Diacetoacetate; Stannane, 1,1'-[oxybis[(1-oxo-2-buten-4,1-diyl)oxy]]bis[1,1-dibutyl-]; (Z)-4,4'-(Dibutylstannylenebis(oxy))bis(4-oxobut-2-enoic Acid); Acetoacetic Acid, Dibutyltin Ester; DBTA; Organotin Catalyst DBTA; Dibutylstannanediyl Bis(acetoacetate)
EINECS	Contact for details

Quality Control

Our production of 4,4'-[(Dibutylstannylene)Bis(Oxy)]Bis[(Z)-4-Oxo-2-Butenoic Acid] adheres to stringent quality management protocols. Each batch undergoes rigorous analytical testing, including assay (by titration or HPLC), identification (IR, NMR), and impurity profiling to ensure high purity and batch-to-batch consistency. Comprehensive Certificates of Analysis (COA) documenting all specifications are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is moisture-sensitive (hygroscopic) and should be kept under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent degradation. Keep away from strong acids, strong bases, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 97.0%
Tin (Sn) Content	22.5 - 23.5 %
Loss on Drying	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.