(E)-3,4-Dimethyl-2-pentene
TRANS-3,4-DIMETHYL-2-PENTENE
CAS: 4914-92-5
Molecular Formula: C7H14
(E)-3,4-Dimethyl-2-pentene - Names and Identifiers
(E)-3,4-Dimethyl-2-pentene - Physico-chemical Properties
| Molecular Formula | C7H14 |
| Molar Mass | 98.19 |
| Density | 0.72 |
| Melting Point | -124.23°C |
| Boling Point | 87 °C |
| Appearance | clear liquid |
| Color | Colorless to Almost colorless |
| Refractive Index | 1.4120-1.4140 |
(E)-3,4-Dimethyl-2-pentene - Risk and Safety
| UN IDs | 3295 |
| Hazard Class | 3 |
| Packing Group | II |
(E)-3,4-Dimethyl-2-pentene - Upstream Downstream Industry
| Downstream Products | CIS-3,4-DIMETHYL-2-PENTENE |
(E)-3,4-Dimethyl-2-pentene - Introduction
TRANS-3, 4-dimethy1-2-pentene (INTRANS-3, 4-dimethy1-2-pentene) is an organic compound with the chemical formula C7H14, which belongs to the olefin group. Its main properties are as follows:
1. Appearance: colorless liquid.
2. Boiling point: up to about 80 ° C.
3. Density: about 0.67 g/cm.
TRANS-3,4-DIMETHYL-2-PENTENE is commonly used as a raw material and intermediate for organic synthesis reactions in chemical laboratories and industries, and can also be used in the manufacture of coatings and solvents. It can be prepared by the following methods:
1. Isomeric reaction: 2-pentene can be reacted with isopropanol to generate TRANS-3-METHYL-2-PENTENE, and then reacted with vinyl trimethylsilyl (ETMPS) to obtain TRANS-3,4-DIMETHYL-2-PENTENE.
2. Chemical vapor transfer: The compound can be prepared by reacting methylbutene with isoamyl alcohol in the presence of a catalyst.
For the security information of TRANS-3, 4-dimenthyl-2-pentene, the following points should be noted:
1. Flammability: The compound is a flammable liquid and will burn when exposed to open fire or high temperature.
2 Contact: should avoid contact with eyes and skin, such as accidental contact, should immediately rinse with water, and seek medical assistance.
3. Inhalation: When handling or using the substance, good ventilation should be provided to avoid inhalation of its vapors.
4. Storage: The compound should be stored in a closed container, away from fire and high temperature environment.
5. Waste treatment: The waste from the compound should be treated in accordance with local regulations and should not be dumped into the natural environment.
It should be noted that the information provided above is for reference only, and the specific nature, use, preparation and safety information should also be combined with more detailed information and standards.
1. Appearance: colorless liquid.
2. Boiling point: up to about 80 ° C.
3. Density: about 0.67 g/cm.
TRANS-3,4-DIMETHYL-2-PENTENE is commonly used as a raw material and intermediate for organic synthesis reactions in chemical laboratories and industries, and can also be used in the manufacture of coatings and solvents. It can be prepared by the following methods:
1. Isomeric reaction: 2-pentene can be reacted with isopropanol to generate TRANS-3-METHYL-2-PENTENE, and then reacted with vinyl trimethylsilyl (ETMPS) to obtain TRANS-3,4-DIMETHYL-2-PENTENE.
2. Chemical vapor transfer: The compound can be prepared by reacting methylbutene with isoamyl alcohol in the presence of a catalyst.
For the security information of TRANS-3, 4-dimenthyl-2-pentene, the following points should be noted:
1. Flammability: The compound is a flammable liquid and will burn when exposed to open fire or high temperature.
2 Contact: should avoid contact with eyes and skin, such as accidental contact, should immediately rinse with water, and seek medical assistance.
3. Inhalation: When handling or using the substance, good ventilation should be provided to avoid inhalation of its vapors.
4. Storage: The compound should be stored in a closed container, away from fire and high temperature environment.
5. Waste treatment: The waste from the compound should be treated in accordance with local regulations and should not be dumped into the natural environment.
It should be noted that the information provided above is for reference only, and the specific nature, use, preparation and safety information should also be combined with more detailed information and standards.
Last Update：2024-04-10 22:29:15
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