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Butanol GOST 5208-81

Butanol-1 (n-butanol, n-butyl alcohol) C4H9OH - Representative monofunctional. There are the normal primary butyl alcohol CH 3 (CH 2) 3ON and its isomers, normal secondary butyl alcohol SN3SN2SN (OH) CH3, izobutilovyy alcohol (CH3) 2SNSN2ON, tretbutylovoho alcohol (trimetilkarbinol) (CH3) 3SON.

Physical properties

A colorless liquid with a characteristic smell of fusel oil. Mixed with organic solvents. Unlike methanol, ethanol, propanol and only sparingly soluble in water - 7.6 g per 100 g of water. Since it forms azeotrop contains 42.5% by weight of butanol and boils at 97,7 ° C.

The industry butanol are: oksosyntezom of propylene using nickel-cobalt catalysts at 1.0-1.5 MPa (by Reppe). Since acetaldehyde by atsetaldol and crotonic aldehyde, which hydryruyutsya on copper or nickel catalysts mednohromovyh. Butilovym-acetone fermentation of food raw materials.

N-butanol is used as a solvent for paints, varnishes and drying oils, natural and synthetic resins, rubber, vegetable oils, paints and alkaloids. It acts as intermediate in the production of pharmaceuticals and chemicals, and is used in industries that produce artificial leather, textiles, unbreakable glass, rubber glue, shellac, raincoats, photographic film and perfume.

Secondary butanol is also used as a solvent and chemical intermediate; it is part of brake fluids, industrial detergents, varnishes, means for removing paint, ore flotation agents, fruit essential oils, perfumes, dyes.

Isobutanol is thinner surface coatings and adhesives; He is a member of lacquer, means for removing paint, perfumes, cleaning and hydraulic fluids.

Tert-butanol is used to remove water from different materials such as solvent in the production of medicines, perfumes and fragrances, as well as a chemical intermediate. It is also part of the industrial detergents used for denaturation and ethanol added to gasoline to increase its octane number. Butanol energy close to the energy of gasoline. Butanol can be used in fuel cells as a raw material for the production of hydrogen. In 2007, the UK began selling butanol fuel as an additive to gasoline.

Aliases name: normal butyl alcohol, n-butanol Product name: n-butyl alcohol, n-butanol GOST: 5208-81 izm.1,2,3 CAS number 71-36-3 Chemical formula: CH3 (CH2) 3OH application: - solvent in the paint industry; - Mochevyno- modifier and melamine-formaldehyde resins; - Starting material in the production of plasticizers (phthalates, sebatsinatov et al.); - Raw material for the synthesis of butyl acetate, butyl acrylate and esters of glycol; - Fuel in automobile engines; - The component of hydraulic and brake fluids; Specification: Description Standard 1. Appearance colorless transparent liquid 2 color for platinum-cobalt scale units. No more than 10 3. Density at 20 ° C g / cm3 0,809-0,811 4. Mass fraction butyl alcohol% at least 99.4 5. Mass fraction of acids in terms of acetic,%, not more than 0003 6. bromine number bromine g per 100 g of alcohol, no more than 0.02 7. Mass fraction carbonyl compounds in terms of oil aldehyde,% not more than 0.06 8. Mass fraction of non-volatile residue,%, not more than 0.0025 9. water content,%, max 0,1 Packing: evrokuby, metal barrels. Storage: outdoors under a canopy and closed areas, away from naked flames. Fire-explosive, toxic. Hazard class: 3 class.

Розроблений: WSBI