Dimethylbis[(1-oxoneodecyl)oxy]stannane
[CAS# 68928-76-7]

Identification

• Classification: Organic raw materials >> Organometallic compound >> Organotin
• Name: Dimethylbis[(1-oxoneodecyl)oxy]stannane
• Synonyms: Dimethyldineodecanoatetin; Dimethyltin dineodecanoate
• Molecular Formula: C₂₂H₄₄O₄Sn
• Molecular Weight: 491.28
• CAS Registry Number: 68928-76-7
• EC Number: 273-028-6
• SMILES: CCC(C)(CCC(C)C)C(=O)O[Sn](C)(C)OC(=O)C(C)(CC)CCC(C)C

Properties

• Boiling Point: 422.5±14.0 °C (760 mmHg), Calc.^*
• Flash Point: 209.3±20.1 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software.

Safety Data

• Hazard Symbols: GHS07 Warning
• Risk Statements: H302-H315-H319-H335
• Safety Statements: P280-P305+P351+P338

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Chronic hazardous to the aquatic environment	Aquatic Chronic	4	H413
Reproductive toxicity	Repr.	2	H361
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Skin irritation	Skin Irrit.	2	H315
Skin sensitization	Skin Sens.	1A	H317
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Acute toxicity	Acute Tox.	3	H301
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Reproductive toxicity	Repr.	2	H361d
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411

Discovery and Applications

Dimethylbis[(1-oxoneodecyl)oxy]stannane is an organotin compound that has garnered attention for its applications in various industrial and agricultural sectors. This chemical was first synthesized in the late 20th century as part of ongoing research into the properties and utility of organotin compounds, which are characterized by their tin-carbon bonds. The discovery of dimethylbis[(1-oxoneodecyl)oxy]stannane resulted from efforts to create effective biocides and stabilizers for polymers, particularly in the fields of agriculture and material science.

The structure of dimethylbis[(1-oxoneodecyl)oxy]stannane features a central tin atom bonded to two dimethyl groups and two long-chain alkoxy groups derived from 1-oxoneodecanol. This configuration imparts unique properties to the compound, enabling it to function as a surfactant and stabilizer. One of the primary applications of this compound is in the formulation of agricultural products, where it serves as an effective biocide. Its ability to inhibit the growth of various microorganisms makes it valuable for protecting crops from pests and diseases, thereby improving agricultural yield and quality.

In addition to its use in agriculture, dimethylbis[(1-oxoneodecyl)oxy]stannane is also employed in the production of plastics and coatings. Its incorporation into polymer formulations enhances the stability and durability of the final products, particularly in outdoor applications where resistance to UV degradation and moisture is essential. The compound acts as a stabilizer, preventing the breakdown of the polymer matrix and extending the lifespan of the materials.

Safety considerations regarding the use of organotin compounds have led to extensive research into the potential environmental and health impacts of dimethylbis[(1-oxoneodecyl)oxy]stannane. Regulatory agencies have established guidelines for its use to ensure that it is applied in a manner that minimizes risk to humans and the environment. Although organotin compounds have been associated with toxicity, proper formulation and application methods can mitigate these risks, allowing for effective use in controlled settings.

In summary, dimethylbis[(1-oxoneodecyl)oxy]stannane represents a significant advancement in the field of organotin chemistry, offering valuable applications in agriculture and materials science. Its ability to function as a biocide and stabilizer contributes to enhanced crop protection and improved material performance, underscoring the importance of this compound in modern industrial practices.

References

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