3-Метил-1-бутен химические свойства, назначение, производство
Химические свойства
Colorless, extremely volatile liquid or
gas; disagreeable odor.Soluble in alcohol; insoluble in water.
Физические свойства
Colorless, flammable liquid or gas with a disagreeable odor
Использование
3-Methyl-1-butene has been used in asymmetric total synthesis of (?)-Linderol A, a potent inhibitor of melanin biosynthesis of cultured B-16 melanoma cells.
Определение
ChEBI: An alkene that is but-1-ene carrying a methyl substituent at position 3.
Общее описание
A colorless volatile liquid with a disagreeable odor. Insoluble in water and less dense than water. Vapors heavier than air. Flash point below 0°F. Used to make other chemicals.
Реакции воздуха и воды
Highly flammable. Insoluble in water.
Профиль реактивности
3-Methyl-1-butene may react vigorously with strong oxidizing agents. May react exothermically with reducing agents to release hydrogen gas. In the presence of various catalysts (such as acids) or initiators, may undergo exothermic addition polymerization reactions.
Опасность
Highly flammable, dangerous fire and
explosion risk, explosive limits 1.6–9.1%.
Угроза здоровью
Inhalation or contact with material may irritate or burn skin and eyes. Fire may produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.
Профиль безопасности
Very dangerous fire
hazard when exposed to heat, flame, or
oxidizers. Explosive in the form of vapor
when exposed to heat or flame. To fight
fire, use alcohol foam, mist, spray, dry
chemical, CO2. When heated to
decomposition it emits acrid smoke and
irritating fumes. See also 2-METHYL-1
BUTENE.
Экологическая судьба
Photolytic. The following rate constants were reported for the reaction of 3-methyl-1-butene and
OH radicals in the atmosphere: 3.0 x 10-11 cm3/molecule?sec (Atkinson et al., 1979); 6.07 to 9.01 x
10-11 cm3/molecule?sec (Atkinson, 1985); 3.18 x 10-11 cm3/molecule?sec (Atkinson, 1990).
Chemical/Physical. Complete combustion in air yields carbon dioxide and water.
3-Метил-1-бутен препаратная продукция и сырье
сырьё
препарат