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Tetralin (MF: C10H12, MW: 132.20) is a colorless, transparent to pale yellow liquid with an odor resembling menthol or naphthalene. It belongs to the class of aromatic-alicyclic bicyclic hydrocarbons, and its molecular structure is derived from the hydrogenation of naphthalene at positions 1, 2, 3, and 4. It is insoluble in water but miscible with most organic solvents. It serves as an important solvent, intermediate, and functional additive in organic synthesis, the coatings industry, and the pharmaceutical and pesticide sectors. It possesses characteristics of both aromatic and alicyclic hydrocarbons, exhibiting chemical stability while being capable of undergoing oxidation and substitution reactions.
| Item | Specification |
| Melting Point | -35°C(lit.) |
| Boiling Point | 207°C(lit.) |
| Density | 0.973 g/mL at 25°C(lit.) |
| Flash point | 171°F(77°C) |
| Vapor pressure | 0.18 mmHg(20°C) |
| Refractive index | n 20/D 1.541(lit.) |
| Odor | A mixture of menthol and naphthalene |
| Solubility | Solubility in water 0.045 g/L; completely miscible with alcohols, ethers, benzene, petroleum ether, etc. |
| Stability | Stable at room temperature; may react with strong oxidizing agents; prone to oxidation and discoloration upon prolonged storage. |
Organic Synthesis: Tetralin is used to produce key intermediates such as methanaphthol and methanaphthamine, which are employed in the production of fine chemicals including pesticides, dyes, and fragrances.
Industrial Solvent: Dissolves resins, oils, paints, and waxes; used as a metal degreasing agent; can also replace turpentine in product finishing.
Material Additive: Improves processing properties of rubber and plastics, accelerates drying of oil-based paint films, and can be used to formulate specialty lubricants.
Other Applications: Tetralin is used as a chromatographic reagent and an absorbent for industrial organic exhaust gases; also used in fuel blending and the manufacture of insect repellents.
Jinan Jinbang Chemical Co., Ltd., strategically located within the New Materials Industrial Park in Tianqiao District, Jinan City, Shandong Province, stands as a prominent chemical innovator since its establishment in 2015. Operating from a modern, expansive 37,500 m² manufacturing facility, we are dedicated to the research & development, production, and global distribution of high-performance chemical solutions.
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