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3,3-Dimethyl-1-Butyne

Chemical Formula: C6H10
CAS: 917-92-0

3,3-Dimethyl-1-Butyne (C6H10) is a transparent, colorless, volatile liquid with typical alkyne structural characteristics. Its excellent reactivity and structural modification capabilities have led to its widespread application in organic synthesis, fine chemical engineering, and materials science research. As an important alkyne chemical, C6H10 plays a crucial intermediate role in multiple synthetic routes and is an indispensable raw material for the preparation of many high-value-added compounds.
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3,3-Dimethyl-1-Butyne Basic Properties

  • Molecular Formula: C6H10

  • Appearance: Transparent colorless liquid

  • Molecular Weight: 82.14

  • Melting Point: -78 °C (lit.)

  • Boiling Point: 37-38 °C (lit.)

  • Density: 0.667 g/mL at 25 °C (lit.)

  • Vapor Pressure: 7.88 psi ( 20 °C)

  • Refractive Index: n20/D 1.374(lit.)

  • Flash Point: <−30 °F

  • Storage Conditions: 2-8°C

  • Solubility: Soluble in chloroform (a small amount) and methanol (a small amount)

  • Package Information: 100g, 500g, 1kg, or customized

3,3-Dimethyl-1-Butyne Key Features

Terminal alkyne structure

3,3-Dimethyl-1-Butyne has a terminal alkyne hydrogen, which can undergo typical terminal alkyne reactions and participate in a variety of coupling and addition reactions, making it an important starting material for constructing complex molecular frameworks.

Structural stability

Compared to some hydrocarbons with multiple unsaturated bonds, C6H10 has a relatively stable structure, is not prone to self-polymerization or decomposition, and is easy to transport and store for a long time (under standard conditions).

Good solvent compatibility

C6H10 is miscible with a variety of common organic solvents, making it widely applicable in different reaction systems and helping to improve the flexibility of chemical processes.

Key precursors

It is also suitable as a key precursor for many high-value compounds, including pharmaceutical intermediates, functional chemicals containing alkyne structures, and photosensitive materials, which can significantly improve the structural diversity of target products.

3,3-Dimethyl-1-Butyne Main Applications

Organic synthesis

3,3-Dimethyl-1-Butyne is often used as a terminal alkyne reagent in Sonogashira coupling, addition, and substitution reactions to construct aromatic and vinyl alkyne structures. It is widely used in laboratory research and industrial route design.

Pharmaceutical chemistry

Its high reactivity makes it suitable for structural modification of lead compounds and active molecules in many drugs, especially in the research of antiviral and antitumor drugs containing alkyne structures.

Materials chemistry

Used in the preparation of photosensitive materials, electron-rich monomers, and functional polymer precursors, it helps to improve the photoelectric properties or stability of materials.

Preparation of fine chemicals and specialty chemicals

Used in the synthesis routes of fragrances, additives, and alkyne-containing specialty compounds to enhance the structural properties of target products.

Precautions

  1. 3,3-Dimethyl-1-Butyne is a highly flammable liquid. It should be kept away from heat sources, open flames, and high-temperature operating areas. Experiments must be conducted in a fume hood.

  2. It is recommended to store in a sealed container at an ideal temperature of 2-8℃ (refrigerated), away from light and moisture, and control the temperature to reduce the risk of evaporation.

  3. C6H10 is highly volatile; appropriate respiratory protection should be worn to avoid prolonged or high-concentration inhalation.

  4. In the event of a leak, immediately eliminate all ignition sources and quickly evacuate personnel from the contaminated area to an upwind location. Emergency responders should wear appropriate protective equipment.

  5. Small leaks can be adsorbed or absorbed by sand, activated carbon, or other inert, non-combustible materials, and then transferred to a sealed container.

  6. In the event of a large spill, dikes or pits must be constructed to contain the spill, and the area should be covered with foam to reduce vapor hazards. Then, contact a professional agency for handling. Do not flush with water.

FAQ

1. What is 3,3-dimethyl-1-butyne?

3,3-Dimethyl-1-Butyne is a terminal alkyne with the chemical formula C6H10. It is a colorless, transparent liquid at room temperature and pressure and is an important raw material in pharmaceutical chemistry and materials chemistry. Its core chemical characteristic is a highly reactive terminal alkyne bond (-C≡CH), with a sterically hindered tert-butyl group attached to the alkyne carbon. This gives it both high reactivity and unique steric selectivity.


2. What are the main applications of 3,3-Dimethyl-1-Butyne?

The main applications include pharmaceutical intermediates, functional material monomers, fine chemical synthesis, and raw materials for organic coupling reactions.


3. What are the chemical properties of 3,3-Dimethyl-1-Butyne?

C6H10 is a colorless liquid with a melting point of -78°C, a boiling point of 37-38°C, a density of 0.667 g/mL at 25 °C (lit.), a flash point < -30°F, and is flammable. It is recommended to store it in a sealed environment at 2-8°C.


We are a professional 3,3-Dimethyl-1-Butyne supplier. For more information or to purchase 3,3-Dimethyl-1-Butyne(C6H10), please feel free to contact us via jomin@wolfabio.com.

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