Products Description
What is metal catalyst Dibutyltin Maleate Powder CAS 78-04-6 ?
Dibutyltin Maleate (CAS No.: 78-04-6) Also known as Di-n-butyl(maleate)tin, 2,2-dibutyl-1,3,2-dioxastannepin-4,7-dion, etc., is an organic tin compound. Its molecular formula is C₁₂H₂₀O₄Sn, and its molecular weight is approximately 347.01 g/mol.
organic compounds Dibutyltin Maleate appears as a white amorphous powder, is hygroscopic and tear-inducing, slightly soluble in benzene and toluene, and insoluble in water. Its melting point is 135–140°C, boiling point 260°C (decomposition), and density 1.6 g/cm³ (21.8°C).


Basic Info
metal catalyst Dibutyltin Maleate Powder CAS 78-04-6
| Product name | Dibutyltin Maleate |
| CAS No. | 78-04-6 |
| EINECS No. | 201-077-5 |
| Molecular formul | C12H20O4Sn |
| Molecular weight | 346.99 |
| Appearance | White powder |
| Tin Content | 32-33 |
| Water Content | ≤2.0 |
| Density | 1.318 g/cm3 |
| Refractive Index | 1.502 |
| Melting Point | 135-140 °C(lit.) |
| Flash Point | 204 °C |
Uses
Catalyst: catalyst Dibutyltin Maleate is Widely used as a tin catalyst in organic synthesis reactions, such as polymerization and esterification reactions.
Heat stabilizer: Heat stabilizer used for polyvinyl chloride (PVC), especially hard transparent products (such as pipes and plates). Its advantages include excellent heat resistance and transparency, preventing the product from yellowing during high-temperature processing; using it in combination with barium soap, cadmium soap or epoxy compounds can enhance the stabilizing effect; using it in combination with dibutyltin laurate can improve transparency.
Safety Information
It is toxic, and the acute toxicity data are as follows:
Oral LD₅₀ = 422 mg/kg for rats
LC₅₀ = 313 mg/m³/4H for rats
Oral LD₅₀ = 470 mg/kg for mice
Wear protective equipment during operation to avoid contact with skin and eyes. Store in a cool and dry place, away from oxidants.

Company Profile
Gnee Chem is an enterprise specialising in the research, development, production and sales of phytochemicals and fine chemicals.Our factory was established in 2016 and is located in Henan Province, covering an area of 3,600 square metres. We have a professional, well-equipped and high-quality R&D team with more than 10 years of R&D experience. Our reagent products are widely exported to many countries including the United States, Russia, Canada, Australia, Europe, etc., and we provide fast shipping services to our customers. We hope to establish long-term and mutually beneficial cooperation with more friends in the future and provide the best products and services for our customers.
Contact Us
Tel: +86-372-5055135
Mob: +86-13673325456
Email: sales@gneebio.com




FAQ
Can your company accept customisation and meet customers' special specifications?
Yes, we can.
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Wire transfer, paypal, western union, money order and bitcoin.
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We usually ship within 1-3 days after receiving your payment.
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