8002-09-3
Pine oil
CAS: 2228-95-7;8002-09-3
Molecular Formula:
8002-09-3 - Names and Identifiers
8002-09-3 - Physico-chemical Properties
| Use | Used as mineral dressing agent, textile industry degreasing agent, printing and dyeing auxiliary, bactericide, etc |
8002-09-3 - Risk and Safety
| UN IDs | UN 1272 |
8002-09-3 - Upstream Downstream Industry
| Raw Materials | Sulfuric acid Oil of turpentine |
8002-09-3 - Reference Information
| what is pine oil? | pine oil, also known as turpentine, leached oil is the oil secreted by Pinus tabulaeformis. Pinus tabulaeformis is an evergreen tree. It is carved into a "v"-shaped mouth on the trunk of an adult Pinus tabulaeformis with a knife. The "v"-shaped wound secretes turpentine. Turpentine becomes pine oil after scouring. "Compendium Supplements" introduced that pine oil can treat scabies. A product composed of monoterpene alcohol and monoterpene mainly composed of α-terpineol (see terpineol). Pine oil is light yellow to reddish brown oily liquid, slightly soluble in water, with a special odor. It has strong sterilization ability, good wetting, cleaning and permeability, and is easy to be emulsified by saponification or other surfactants. Good dissolving ability for oil, fat and grease. Pinus oil is made from Pinus massoniana Lamb., Pinus pine (Pinus koraiensis Sieb.et Zucc.), Pinus elm (P.elliottii Engelm.), Simao pine (P.khasya Royle.), etc. The resin (turpentine) is obtained by direct distillation or steam distillation. It is a colorless or light yellow clear liquid. It has the characteristic smell of turpentine. The main components are α-pinene and β-pinene, and also contain taroene, camphene, carene and other components. Masson pine turpentine 0.8617~0.8889. 1.4684~1.4818. Boiling point 154~159 ℃. Iodine value 350~400. Wide range of origin. Turpentine is an essential oil. Colorless to dark brown liquid, with a special smell, consists of a mixture of hydrocarbons and contains a large amount of pinene (about 64% of α-pinene and 33% of β-pinene). According to the different raw materials and preparation methods (1) turpentine turpentine (2) extraction turpentine (3) dry distillation turpentine. Long-term storage or exposure to the air, the odor gradually increases, and the color gradually turns yellow; flammable, thick smoke occurs when burning. Soluble in ethanol, mixed with chloroform, ether or glacial acetic acid, and dissolved in water. This product is a volatile oil exuded from several species of Pinus in the Pinaceae, which is distilled or extracted. |
| Chemical composition | The main oxygen-containing compounds are α-terpineol, β-terpineol, γ-terpineol, α-fennel alcohol, borneol, isorneol, camphor, terpene alcohol -1, terpene alcohol -4, dioxyterpineol, methyl flavorol, anisole, 1,4-eucalyptus, 1,8-eucalyptus, etc. The main terpenes include terpene oleene, ramie ene, α-terpene, γ-terpene, p -397350 diene -2,4(8), p-methyl cumene, α-pinene and sesquiterpene. In the synthesis of pine oil contains more terpene oleene, does not contain anethole and methyl good flavor phenol, there is a trace of camphor. Steam distilled pine oil contains higher borneol and anethole. |
| processing method | natural pine oil is divided into 3 types: ① steam distillation pine oil. The product obtained by steam distillation leaching of the extract of the seed and intercepting a certain fraction; ② sulfate pine oil. Fractionation products of crude sulfate turpentine, a by-product of the sulfate pulp industry. (3) dry distillation of pine oil. By-products of dry distillation of Mingzi (see dry distillation of Mingzi). Synthetic pine oil is a product obtained by hydration reaction of pinene in turpentine oil in the presence of acidic catalyst. There are two production methods of synthetic pine oil: one-step method and two-step method. ① One-step method: sulfuric acid is used as catalyst, and the weight ratio of turpentine, 32% sulfuric acid and 95% ethanol is 10: 8: 3. The reaction temperature is 47~50 ℃, and the reaction is reacted under vigorous stirring for 6 hours. At the end of the reaction, the reaction material is heated to 65 ℃ and kept for 5~10 minutes. The material is placed in an oil-water separator and left to stand. The lower acid is recovered, and the oil layer is neutralized with sodium carbonate and then distilled to recover ethanol. The residue is crude pine oil (called No.2 oil in China), which is only used for flotation of minerals. ②Two-step method: In the presence of catalyst sulfuric acid, add an appropriate amount of emulsifier to make the pinene in turpentine undergo hydration reaction to obtain the intermediate hydrated terpene diol (1,8), and then the intermediate is in dilute Acid partial dehydration to obtain crude turpentine. Crude pine oil is rectified to obtain terpineol, and its former fraction can be properly cut and remixed to obtain various pine oils with different alcohol content. Pine oil is a by-product of this process. |
| use | pine oil is used in large quantities as mineral flotation foaming agent (non-ferrous metal ore such as copper ore, lead-zinc ore and pulverized coal), as well as printing and dyeing auxiliary agent, pigment wetting agent, anti-skinning agent of paint, sheep skin degreasing agent, epoxy resin leveling agent, anti-foaming agent of protein glue in plywood industry, animal blood preservative, and leveling agent in baking varnish, paper coating and enamel. In the United States, the disinfectant cleaner manufacturing industry is the largest user of pine oil, consuming 17,000 tons in 1979. |
Last Update：2024-04-10 22:43:14
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Tel: +86-17551318830
Email: r@reformchem.com
Mobile: +86-17551318830
QQ: 3785839865
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Product Name: Pine oil Request for quotationCAS: 2228-95-7;8002-09-3
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Email: 1024042217@qq.com
Mobile: 86+18627766980
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