The product "Factory Supply 1,2,3,4 - tetrahydronaphthalene cas 119 - 64 - 2 With Good Price" is a chemical compound. The CAS number 119-64-2 uniquely identifies it in the chemical industry. 1,2,3,4 - tetrahydronaphthalene, also known as tetralin, is a colorless to pale yellow liquid with a mild aromatic odor.
Its molecular formula is C₁₀H₁₂, and it has a molecular weight of approximately 132.2 g/mol. The boiling point of this compound is around 207 - 208°C, and its melting point is -35°C. It is insoluble in water but soluble in many organic solvents, such as ethanol, ether, and benzene.
1,2,3,4 - tetrahydronaphthalene has a wide range of applications. In the chemical industry, it is often used as a solvent. Due to its excellent solubility for many organic substances, it can dissolve resins, waxes, and certain polymers, which is useful in the formulation of paints, coatings, and adhesives.
It also serves as a hydrogen donor in some hydrogenation reactions. In the field of fuels, it can be used as a component in some high - energy fuels or fuel additives to improve the combustion performance. Additionally, in the pharmaceutical industry, it can be used as an intermediate in the synthesis of certain drugs.
When handling 1,2,3,4 - tetrahydronaphthalene, appropriate safety measures should be taken. Always wear suitable protective clothing, gloves, and eye protection. It should be stored in a cool, well - ventilated place away from sources of ignition and heat.
When using it as a solvent, measure the appropriate amount according to the requirements of the formulation. Slowly add it to the mixture under stirring to ensure uniform dissolution. In hydrogenation reactions, follow the reaction conditions such as temperature, pressure, and catalyst dosage precisely to achieve the desired reaction outcome.
Case 1: Paint Formulation
A paint manufacturer wanted to improve the solubility and film - forming properties of their paint. They added 1,2,3,4 - tetrahydronaphthalene to the paint formulation. By using it as a solvent, they found that the pigments and resins were more uniformly dispersed in the paint, resulting in a smoother and more durable paint film. The paint also had better adhesion to the substrate, and the drying time was within an acceptable range.
Case 2: Hydrogenation Reaction
In a chemical laboratory, researchers were conducting a hydrogenation reaction to synthesize a particular organic compound. They used 1,2,3,4 - tetrahydronaphthalene as a hydrogen donor. Under specific reaction conditions (a temperature of 150°C and a pressure of 5 atm with a suitable catalyst), the reaction proceeded smoothly, and the yield of the target product was relatively high. The use of tetralin as a hydrogen donor provided a more convenient and cost - effective way compared to other hydrogen sources.
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