ALPHA-VINYLNAPHTHALENE
1-Vinylnaphthalene
CAS: 826-74-4
Molecular Formula: C12H10
ALPHA-VINYLNAPHTHALENE - Names and Identifiers
| Name | 1-Vinylnaphthalene |
| Synonyms | α-vinylnaphthalene 1-Vinylnaphthalene 1-VINYLNAPHTHALENE 1-(1-Naphtyl)ethene 1-ETHENYLNAPHTHALENE ALPHA-VINYLNAPHTHALENE naphthalene,1-ethenyl- Naphthalene, 1-ethenyl- 1-Vinylnaphthalene, stabilized with 4-tert-butylcatechol |
| CAS | 826-74-4 |
| EINECS | 212-560-5 |
| InChI | InChI=1S/C12H10/c1-2-10-7-5-8-11-6-3-4-9-12(10)11/h2-9H,1H2 |
ALPHA-VINYLNAPHTHALENE - Physico-chemical Properties
| Molecular Formula | C12H10 |
| Molar Mass | 154.21 |
| Density | 1.04 g/mL at 25 °C (lit.) |
| Melting Point | 322 °C |
| Boling Point | 135-138 °C (lit.) |
| Flash Point | 101 °C |
| Solubility | Soluble in ethyl acetate, hexane and methanol. |
| Appearance | Oil |
| Color | Colourless to Orange |
| Storage Condition | -20°C |
| Stability | Stable. Incompatible with strong oxidizing agents. Combustible. |
| Sensitive | Moisture Sensitive |
| Refractive Index | n20/D 1.653(lit.) |
| MDL | MFCD00075766 |
ALPHA-VINYLNAPHTHALENE - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R22 - Harmful if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 3082 9 / PGIII |
| WGK Germany | 2 |
| HS Code | 29029090 |
ALPHA-VINYLNAPHTHALENE - Introduction
1-Vinylnapthalene (1-Vinylnapthalene) is an organic compound with the chemical formula C12H9CH = CH2. It is a colorless to pale yellow liquid with a special aromatic odor. The following is a description of the nature, use, preparation and safety information of 1-Vinylnapthalene:
Nature:
1-Vinylnapthalene is a flammable liquid that can vaporize in air. It has a strong aromatic odor and is soluble in organic solvents such as ethanol, acetone and dichloromethane.
Use:
1-Vinylnapthalene is an important organic synthesis intermediate, widely used in the chemical industry. It can be used to synthesize fluorescent dyes, photosensitizers, peroxide inhibitors and rubber processing aids. In addition, 1-Vinylnapthalene can also be used as a raw material in dyes, fragrances and medicines.
Preparation Method:
1-Vinylnapthalene can be synthesized by the following method:
1. naphthalene and vinyl chloride are hydrogenated in the presence of a catalyst.
2. It is obtained by an addition reaction of naphthalene and vinyl acetate in the presence of a catalyst.
3. Other synthetic methods also include naphthalene and acetic acid or vinyl compound reaction.
Safety Information:
1-Vinylnapthalene is irritating and toxic. Contact with skin and eyes may cause irritation and damage to the respiratory system. Wear eye and respiratory protection when using and handling 1-Vinylnapthalene. Inhalation of vapors and contact with skin should be avoided. During storage and transportation, appropriate measures should be taken to avoid contact with oxidants, strong acids and strong bases. In case of accidental leakage, it should be removed in time and appropriate waste disposal measures should be taken. In case of fire, extinguishing agents such as foam, sand or carbon dioxide can be used to extinguish the fire.
Nature:
1-Vinylnapthalene is a flammable liquid that can vaporize in air. It has a strong aromatic odor and is soluble in organic solvents such as ethanol, acetone and dichloromethane.
Use:
1-Vinylnapthalene is an important organic synthesis intermediate, widely used in the chemical industry. It can be used to synthesize fluorescent dyes, photosensitizers, peroxide inhibitors and rubber processing aids. In addition, 1-Vinylnapthalene can also be used as a raw material in dyes, fragrances and medicines.
Preparation Method:
1-Vinylnapthalene can be synthesized by the following method:
1. naphthalene and vinyl chloride are hydrogenated in the presence of a catalyst.
2. It is obtained by an addition reaction of naphthalene and vinyl acetate in the presence of a catalyst.
3. Other synthetic methods also include naphthalene and acetic acid or vinyl compound reaction.
Safety Information:
1-Vinylnapthalene is irritating and toxic. Contact with skin and eyes may cause irritation and damage to the respiratory system. Wear eye and respiratory protection when using and handling 1-Vinylnapthalene. Inhalation of vapors and contact with skin should be avoided. During storage and transportation, appropriate measures should be taken to avoid contact with oxidants, strong acids and strong bases. In case of accidental leakage, it should be removed in time and appropriate waste disposal measures should be taken. In case of fire, extinguishing agents such as foam, sand or carbon dioxide can be used to extinguish the fire.
Last Update：2024-04-09 02:00:48
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