[Chemical Knowledge]：The nature, use, upstream and downstream raw materials, storage methods of n-nonanol, is n-octanol harmful to human body?

Properties of n-nonanol

N-nonanol (1-nonanol, chemical formula: C9H20O) is a colorless transparent liquid with a faint fat odor. It has a molecular weight of 146.27g/mol, a density of 0.827g/cm³, and a boiling point of 214°C at 20°C. The refractive index of nonanol is 1.423, with medium polarity and low water solubility, but it can be miscible with alcohols, ethers and a variety of organic solvents. Due to its long carbon chain structure, n-nonanol has high viscosity and low volatility, showing a wide range of applications in a variety of chemical fields.

The use of n-nonanol

N-nonanol is mainly used in the manufacture of plastic plasticizers, surfactants and lubricants. In the plastics industry, n-nonanol can react with phthalate esters to form nonyl ester plasticizers, which can significantly improve the flexibility and durability of plastics. Nonanol is also an important intermediate in the production of synthetic spices, pesticides and pharmaceuticals. As a surfactant, it can significantly reduce the surface tension of liquids and is widely used in the production of detergents, emulsifiers and dispersants. N-nonanol is also used as a solvent, dewaxing agent and stabilizer, and has important applications in the oilfield chemicals, coatings and rubber industries.

n-nonanol upstream and downstream raw materials

The production of n-nonanol is usually made by catalytic oxidation reaction using n-nonane (C9H20) as raw material. N-nonane is one of the by-products of petroleum cracking, and its supply mainly depends on the production status of petrochemical industry. Upstream raw materials include natural gas, crude oil, etc., which are subjected to complex cracking and separation processes to eventually obtain n-nonane. Downstream products cover plastics, coatings, lubricants and other fields, in which n-nonanol plays a key role as an important intermediate or additive.

Production process of n-nonanol

The industrial production of n-nonanol usually uses oxidation or oxo synthesis. Oxidation method by the action of a catalyst, the n-nonane reacts with oxygen under high temperature and high pressure conditions to produce n-nonanol and other by-products. Oxo synthesis law is through the reaction of olefins with carbon monoxide and hydrogen in the presence of a catalyst to form alcohols, n-nonanol is one of the products. The selection of these processes is mainly based on factors such as production scale, raw material cost and market demand, and the production process requires strict control of reaction conditions to improve yield and purity.

NON-NONALOL STORAGE METHOD

Nonanol should be stored in a cool, ventilated, dry warehouse, away from fire and heat sources. Storage temperature should be kept at room temperature, avoid direct sunlight and temperature changes. Due to the flammability of n-nonanol, the storage container should be a well-sealed stainless steel or glass container with obvious flammable liquid mark. The storage area should be equipped with appropriate fire fighting equipment, such as fire extinguishers and fire hydrants, to ensure that rapid response measures can be taken in emergency situations. In order to prevent leakage, the tightness of the container should be strictly checked during storage and transportation, and explosion-proof tools should be used as required.

NON-NONYL MARKET PROSPECT

As an important chemical raw material, the market demand of n-nonanol is closely related to the global economic development. With the rapid development of industries such as plastics, coatings and lubricants, the market demand for n-nonanol is also growing steadily. The increasingly stringent environmental regulations have promoted the demand for environmentally friendly plasticizers and surfactants, which further promotes the expansion of the n-nonanol market. In recent years, global chemical companies have increased investment in n-nonanol production plants to increase production capacity to meet market demand. In the future, with the development of emerging markets and the expansion of application fields, the market prospect of n-nonanol is still broad.

Environmental and safety considerations

Although n-nonanol is widely used in the chemical industry, the environmental protection and safety issues in its production and use cannot be ignored. Nonyl alcohol is easy to decompose under high temperature conditions to produce toxic gases, so strict protective measures should be taken in production and use to avoid direct contact with workers or inhalation of steam. The waste disposal of n-nonanol also needs to follow relevant environmental regulations to prevent environmental pollution. Chemical companies should strengthen management, conduct regular safety inspections and equipment maintenance to ensure the safety and environmental protection of the production process.

Conclusion

As an important chemical raw material, n-nonanol has a variety of excellent physical and chemical properties and broad application prospects. Its production relies on the support of the petrochemical industry, and downstream applications involve multiple industries. Through reasonable storage and safety management, the safety of n-nonanol during production and use can be ensured. With the continuous growth of market demand and technological progress, n-nonanol will play a more important role in the future chemical industry. Enterprises should seize market opportunities and continuously improve production technology and management level to meet the growing market demand.