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  • Medicinal White Vaseline

    • Medicinal White Vaseline
    • Medicinal White Vaseline
    • Medicinal White Vaseline storehouse
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    Product Overview:

    Wholesale Supply Pharmaceutical Grade Vaseline, Medicinal White Vaseline Widely Used In Pharmaceutical Lubricant, High Quality Chinese Medicinal White Vaseline Supplier Professional Export, Provide OEM Service.

    Medicinal White Vaseline Attributes

    Product Name: Medicinal White Vaseline

    Brand: Henrikang

    Appearance: White Powder

    Storage: Cool Dry Place

    Shelf Life: 2 Years

    Specification​: 99% min White Vaseline

    Test Method: HPLC

    CAS: 8009-03-8

    MF: C15H15N

    Sample: Medicinal White Vaseline

    Keywords: Medicinal White Vaseline, Medicinal White Vaseline Supplier, Petroleum Jelly Supplier

    Medicinal White Vaseline Details

    Overview of Medicinal White Vaseline use and synthesis method:
    Wholesale Supply Pharmaceutical Grade Vaseline, Medicinal White Vaseline Widely Used In Pharmaceutical Lubricant, High Quality Chinese Medicinal White Vaseline Supplier Professional Export, Provide OEM Service.
    Petroleum jelly is a petroleum grease obtained by blending residual oil wax paste with lubricating oil, and then refined. It is an important lubricant for medicine, daily chemical industry, fine chemical raw material and precision instruments. Vaseline products in my country mainly include ordinary petroleum jelly, industrial petroleum jelly and pharmaceutical petroleum jelly. Ordinary Vaseline is suitable for preparing various ointments and as a softener for dark rubber products; industrial Vaseline can be used for rust prevention of metal products and general mechanical parts, lubrication of light-loaded machinery, leather impregnation, and rubber softener. Vaseline products in our country are mainly concentrated in medical petroleum jelly, which can be divided into medical white petroleum jelly and medical yellow petroleum petroleum jelly. Medical vaseline is mainly used to prepare ointments, skin protection creams and cosmetic raw materials, and can also be used as anti-rust lubricating materials for medical equipment and precision instruments.

    Medicinal White Vaseline Uses:
    Because Vaseline is colorless, odorless, chemically inert, semi-solid, lipophilic, and has good adhesion, it is suitable for making bases such as hair care creams, hair conditioners, eye shadows, lipsticks, and pomades. Pharmaceutical Vaseline can be compatible with almost all drugs without changing the drugs, and can be used as the base of ointments and is widely used. Hydrophilic petrolatum can be obtained by adding alcohols such as stearyl alcohol, cetyl alcohol, cholesterol, etc. to petrolatum, heating, melting and stirring thoroughly. Hydrophilic petrolatum is a highly permeable and stable ointment base with little irritation. This ointment base can be used alone for dry rashes, erythema, papules and other diseases, and is especially suitable for removing blood scabs and desquamation. Vaseline can also be used as an emulsifier compatible with cholesterol and is non-ionic, so it can be compatible with a wide range of substances. In addition, due to its absorbency, it can be compatible with liquid drugs or aqueous solutions of drugs. Industrial vaseline, used as rubber softener, anti-rust of metal parts, raw material of anti-rust grease.

    Medicinal White Vaseline preparation method:
    1. Acid-clay method The acid-clay method is a traditional vaseline production method, which is still in use at home and abroad. The process is to add sulfuric acid with a concentration of more than 98% into the reaction kettle and mix the raw materials according to about 60% of the raw material amount. The reaction temperature is kept at 70°C. After the reaction, the acid residue is separated and diluted with alcohol to further remove the acid residue. The acid-treated oil is then decolorized by adding clay at about 140°C in another clay refining tank, and then filtered to obtain the product. The characteristic of the acid-clay method is that it can produce high-quality products, the amount of polycyclic aromatic hydrocarbons can reach the level of pharmaceutical grade, and other related indicators can also meet the quality indicators of the Pharmacopoeia, which is the reason why this traditional process can exist for a long time. The main disadvantages of refining petroleum jelly with acid-clay are that the yield of the target product is too low (about 50%) and a large amount of unusable acid slag is generated, which seriously pollutes the environment and the production cost is very high.
    2. Aluminum trichloride method In the 1960s, the aluminum trichloride method was used instead of the acid-clay method to produce vaseline. The specific process is as follows: After the raw materials are dehydrated, they are reacted with aluminum trichloride in a reactor at a reaction temperature of 130-140°C. After the reaction, the oil continues to be neutralized and precipitated with lye in the neutralization tank, and after the slag is removed, it is purified by white clay adsorption in the decolorization tank. The reaction temperature is about 120°C. The Vaseline prepared by the aluminum chloride method is higher than the target product yield of the acid-clay method, and the consumption index is reduced, but the quality is slightly worse than that of the vaseline prepared by the acid-clay method; the aluminum trichloride method and the medium pressure hydrogenation and high pressure Compared with the quality level of Vaseline produced by hydrogenation, there is a big gap in terms of color, transparency, and content of polycyclic aromatic hydrocarbons.
    3. Hydrogenation Hydrogenation Vaseline is a new process for the production of Vaseline, which is generally carried out at 10, 20 or 30MPa and lower liquid hourly space velocity in foreign countries. This process is to convert the useless components in the raw materials into effective components after reaction, so the product yield close to 100% can be obtained. However, the aluminum trichloride method or the acid-clay method turns the useless components into waste residues for removal, and the effective components are taken away by the slag removal, which reduces the product yield. Due to the product yield, the refining depth of the aluminum trichloride method or the acid-clay method is also limited, thereby limiting the further improvement of product quality. Therefore, the hydrogenation method to produce vaseline is superior to the acid-clay method and the aluminum chloride method in terms of product yield and quality.

    Chemical properties of Medicinal White Vaseline:
    White to yellowish or light amber semi-solid oily substance. Transparent in thin layer, slightly fluorescent. Insoluble in water, almost insoluble in cold or hot ethanol and cold absolute ethanol. Soluble in ether, hexane and most volatile or non-volatile oils; easily soluble in benzene, carbon disulfide, chloroform and turpentine. Use defoamer; lubricant; release agent; protective coating. It is used in medicine, sealing and lubricating, and it is also used in various cosmetic products such as skin care cream, hair wax and hair cream, lipstick, etc. It is used in the anticorrosion of mechanical equipment, metal objects and parts, and can also be used in low temperature and It is used as lubricating grease for mechanical wear-reducing parts with small load. It is used as a raw material for ointment and cosmetics. It is suitable for the preparation of medical ointment and skin protection ointment. It can also be used for anticorrosion of high-grade products such as precision instruments and medical equipment, as well as ingredients for high-end cosmetics and other daily necessities.

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