2 6 DI TERT BUTYL PHENOL (2 6 DTBP), CAS 128-39-2




    General Information and Properties

    1AppearanceWhite to Slightly Yellowish Solid
    2.Melting Point34-39 C
    3.Sp. Gravity0.914 (20 C)
    4.Boiling Point253 C


    2,6-DTBP is used as an intermediate to manufacture antioxidants that are used in polymers like polypropylene, polyethylene, polystyrene and other products.

    2,6-DTBP is used directly as an antioxidant in lubes, jet fuels, metal cutting fluids.



    2,6-DTBP can be supplied in ISO Tankers or 150 kg galvanized drums.


    An overview on 2,6-Di-tert-butyl-phenol

    • 2 6 di tert butylphenol is a colourless, odourless chemical compound that is light yellow to white in colour. It has the property of floating on water. It is a member of the phenols and alkylphenols and has the role of an antioxidant. It can be solid or viscous liquid at room temperature.
    • Properties of 2,6-DTBP
    • CAS Number: 128-39-2
    • Chemical formula: C14H22O
    • Molar mass: 206.329 g·mol−1
    • Appearance: Low-melting colourless solid
    • Melting point: 34 to 37 °C (93 to 99 °F; 307 to 310 K)
    • Boiling point: 253 °C (487 °F; 526 K)
    • Freezing point: 97°F
    • Solubility: Insoluble in water and alkali, soluble in benzene, carbon tetrachloride, ethyl alcohol, diethyl ether, and hydrocarbons


    How is it manufactured?

    2, 6-dtbp is an organic compound with the chemical formula C14H22O. It is prepared by reacting phenol with isobutylene with an acidic catalyst.

    The reaction of 2-tert-butyl phenol with isobutene in the liquid phase is performed with small quantities of catalyst to produce 2,6-DTBP. This reaction is performed in the presence of diluents such as liquid saturated aliphatic or cycloaliphatic hydrocarbons at temperatures of 0° C. to 80° C.


    Industry Uses and Applications

    2 6 di tert butylphenols are majorly used as an antioxidant for hydrocarbon-based products like Industrial, Engine Oil, Driveline and Fuel applications. The product also popularly called 2,6-DTBP is used as an intermediate to manufacture several industrially important phenolic compounds like AO 1010, AO 1076, AO 1335 and so on that are used in polyolefins as primary antioxidants. The product is also used in the synthesis of CGP-7930, probucol, and nicanartine. Some other uses of this compound include:

    • Agricultural: It is used in growing certain crops and in raising and farming animals e.g., animal husbandry, farming of animals/animal production, raising of animals for food or fur, animal feed, products for household pets.
    • Automotive care: It is used in the maintenance and repair of automobiles, products for cleaning and caring for automobiles (auto shampoo, polish/wax, undercarriage treatment, brake grease)
    • Fuels: 2,6-DTBP is used in heating systems, heating fuels, fireplaces, furnaces, radiators, etc.
    • Lubricants: It is also used as a lubricant for engines brake fluids, oils, etc (does not include personal care lubricants)
    • Fragrance: Fragrances or odour agents use 2,6-DTBP. It can also be used in home products (cleaners, laundry products, air fresheners) or similar industrial products.
    • Personal care products: a lot of personal care products including cosmetics, shampoos, perfumes, soaps, lotions, toothpaste, etc also use 2,6-DTBP.

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