Tributyl(ethynyl)stannane

Basic Information

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CAS Number

994-89-8

Molecular Formula

C14H28Sn

Molecular Weight

305.09 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Nitriles

Basic Physical Properties

Boiling Point

70 ℃/0.2 mmHg

Density

1.1113 g/cm3 (20 ºC),

Water Solubility

Not miscible or difficult to mix with water.

Flash Point

74℃(165.2℉)(lit.)

Solubility

Insuluble (5.0E-4 g/L) (25 ºC),

Refractive Index

1.4770 (589.3 nm 20 ºC)

SMILES

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CCCC[Sn](CCCC)(CCCC)C#C

InChI

InChI=1S/3C4H9.C2H.Sn/c3*1-3-4-2;1-2;/h3*1,3-4H2,2H3;1H;

InChIKey

YEMJHNYABQHWHL-UHFFFAOYSA-N

LogP

5.465300000000005

Topological Polar Surface Area

0.0 Å²

Hydrogen Bond Donor/Acceptor

0 / 0

Complexity

165

Safety Information

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Hazard Class

Class 6.1 Class 6.1

Sensitiveness

Moisture Sensitive

Synonyms & References

English

Tributylstannylacetylene
MFCD00009420
NSC203201
Ethynyltributyltin
Ethynyltri-n-Butyltin
AMY6990
tri-n-butylethynylstannane
FT-0633213
tributylstannyl acetylene
NSC-203201
GS-6646
ethynyl tri-n-butyltin
tributyl(1-ethynyl) tin
AKOS015843034
J-521360
EN300-61691
tributylethynyl stannane
Stannane, tributylethynyl-
Ethynyl-tributyl-stannane
F11379
tributyl(ethynyl)stannane
InChI=1/3C4H9.C2H.Sn/c3*1-3-4-2;1-2;/h3*1,3-4H2,2H3;1H
C14H28Sn
Tributylethynylstannane
Ethynyltributylstannane, 95%
tri-n-butylethynyl tin
Ethynyltributylstannane
tributyl-ethynylstannane
Tributylethynyltin
DTXSID90347411
AB00968

MDL Number

MFCD00009420

Customs Code

2931900090

FAQ

What are the physical and chemical properties of Tributyl(ethynyl)stannane (CAS: 994-89-8)?

Tributyl(ethynyl)stannane is a colorless to pale yellow liquid with a strong ethynyl odor. It has a molecular weight of 252.26 g/mol and a boiling point of 103-104°C. The compound is poorly soluble in water but soluble in organic solvents such as ethanol and acetone. It is highly reactive and prone to hydrolysis and elimination reactions.

How is Tributyl(ethynyl)stannane (CAS: 994-89-8) typically synthesized?

Tributyl(ethynyl)stannane is synthesized via a reaction between triethyltin chloride and ethynyl bromide in the presence of a base like triethylamine. The reaction provides a high yield of the product with good selectivity. Commonly utilized solvents include toluene or dichloromethane.

What industries use Tributyl(ethynyl)stannane (CAS: 994-89-8)?

Tributyl(ethynyl)stannane is primarily used in the synthesis of various organic compounds, particularly in the preparation of organostannane derivatives. It finds applications in pharmaceuticals, where it is used as an intermediate, and in the production of functionalized polymers and semiconductors. It is also used in the development of sensors and as a reagent in some catalytic processes.

What precautions should be taken when handling Tributyl(ethynyl)stannane (CAS: 994-89-8)?

When handling Tributyl(ethynyl)stannane, users should wear appropriate personal protective equipment (PPE) including gloves, safety goggles, and a lab coat. This compound should be used in a well-ventilated area or a fume hood due to its strong ethynyl odor and potential for reactive behavior. Spills should be cleaned up immediately with appropriate absorbents, and the area should be well-ventilated. Always refer to the Safety Data Sheet (SDS) for detailed safety guidelines and emergency procedures.