Dimethylbutadiyne
2,4-Hexadiyne
CAS: 2809-69-0
Molecular Formula: C6H6
Dimethylbutadiyne - Names and Identifiers
| Name | 2,4-Hexadiyne |
| Synonyms | 2,4-Hexadiyne 2,4-HEXADIYNE Hexa-2,4-diyne hexa-2,4-diyne Dimethylbutadiyne Dimethyldiacetylene CH3CequivCCequivCCH3 |
| CAS | 2809-69-0 |
| InChI | InChI=1/C6H6/c1-3-5-6-4-2/h1-2H3 |
Dimethylbutadiyne - Physico-chemical Properties
| Molecular Formula | C6H6 |
| Molar Mass | 78.11 |
| Density | 0.8155 (estimate) |
| Melting Point | 68°C |
| Boling Point | 127-129°C |
| Flash Point | 127-129°C |
| Vapor Presure | 12.4mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Light yellow to Dark green |
| BRN | 1731159 |
| Storage Condition | Room Temprature |
| Refractive Index | 1.4426 (estimate) |
| MDL | MFCD00041617 |
Dimethylbutadiyne - Risk and Safety
| Risk Codes | 11 - Highly Flammable |
| Safety Description | S16 - Keep away from sources of ignition. S22 - Do not breathe dust. S33 - Take precautionary measures against static discharges. |
| UN IDs | 1325 |
| HS Code | 29012990 |
| Hazard Class | 4.1 |
| Packing Group | III |
Dimethylbutadiyne - Introduction
2,4-hexadiyne, also known as 2,4-hexadiyne, is an organic compound. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: 2,4-hexadiyne is a colorless liquid or white crystalline solid.
-Solubility: It is almost insoluble in water, but soluble in organic solvents such as ethanol, acetone and dimethylformamide.
-Stability: 2,4-hexadiyne is stable at room temperature, but may undergo decomposition reactions under heating or exposure to high energy.
Use:
-Chemical synthesis: 2,4-hexadiyne is used as an important raw material in organic synthesis and can be used to synthesize various compounds, such as organic catalysts.
-Catalyst: It can be used as a component of certain catalysts to catalyze specific chemical reactions.
-Polymer: 2,4-hexadiyne can also be used to prepare polymers containing conjugated alkyne units.
Method:
-2,4-hexadiyne can be prepared by using an appropriate acidic or basic catalyst when reacting in the presence of cyclohexyne. This reaction is carried out at a suitable temperature and pressure, and the product can be purified by appropriate refining and separation.
Safety Information:
-2,4-hexadiyne is a flammable liquid that may burn when exposed to an open flame or high temperature source.
-It may be irritating to the eyes, skin and respiratory tract, and protective measures should be taken when using it.
-When operating and storing 2,4-hexadiyne, maintain good ventilation conditions and avoid contact with oxidants and other substances to avoid dangerous reactions.
-2,4-hexadiyne may cause intoxication if swallowed or inhaled.
Nature:
-Appearance: 2,4-hexadiyne is a colorless liquid or white crystalline solid.
-Solubility: It is almost insoluble in water, but soluble in organic solvents such as ethanol, acetone and dimethylformamide.
-Stability: 2,4-hexadiyne is stable at room temperature, but may undergo decomposition reactions under heating or exposure to high energy.
Use:
-Chemical synthesis: 2,4-hexadiyne is used as an important raw material in organic synthesis and can be used to synthesize various compounds, such as organic catalysts.
-Catalyst: It can be used as a component of certain catalysts to catalyze specific chemical reactions.
-Polymer: 2,4-hexadiyne can also be used to prepare polymers containing conjugated alkyne units.
Method:
-2,4-hexadiyne can be prepared by using an appropriate acidic or basic catalyst when reacting in the presence of cyclohexyne. This reaction is carried out at a suitable temperature and pressure, and the product can be purified by appropriate refining and separation.
Safety Information:
-2,4-hexadiyne is a flammable liquid that may burn when exposed to an open flame or high temperature source.
-It may be irritating to the eyes, skin and respiratory tract, and protective measures should be taken when using it.
-When operating and storing 2,4-hexadiyne, maintain good ventilation conditions and avoid contact with oxidants and other substances to avoid dangerous reactions.
-2,4-hexadiyne may cause intoxication if swallowed or inhaled.
Last Update：2024-04-09 02:00:44
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