Methylpyridine

Methylpyridine 화학적 특성, 용도, 생산

• 화학적 성질

  Picolines are colorless liquids. Strong, unpleasant, pyridine-like odor.“Picoline” is often used as mixed isomers.

• 일반 설명

  Clear colorless liquids with a strong unpleasant odor. Flash point 79 - 97°F. Less dense than water. Vapors heavier than air. Toxic oxides of nitrogen produced during the combustion of. Used as a solvent and to make other chemicals.

• 공기와 물의 반응

  Highly flammable. Soluble in water.

• 반응 프로필

  GAMMA PICOLINE or 4-METHYLPYRIDINE neutralizes acids in exothermic reactions to form salts plus water. Methyl propyl carbonate is incompatible with isocyanates, halogenated organics, peroxides, phenols, sulfuric acid, epoxides, anhydrides, acid halides and Iron (II) sulfate. Gamma picoline may generate hydrogen, a flammable gas, in combination with strong reducing agents such as hydrides. Dangerous fire hazard when exposed to heat, flame or oxidizers. Severe explosion hazards in the form of vapor, when exposed to flame or spark. Reacts violently with chlorosulfonic acid; CrO3; maleic anhydride; HNO3; oleum; perchromates; B-propiolactone; AgClO4; H2SO4;formamide; SO3; I. Dangerous when heated to decomposition Methyl propyl carbonate emits highly toxic fumes of cyanides; can react vigorously with oxidizing materials.

• 건강위험

  Harmful if swallowed, inhaled or absorbed through the skin. Causes severe irritation. High concentrations are extremely destructive to tissues of the mucous membranes and upper respiratory tract, eyes and skin. Symptoms of exposure may include burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea, vomiting and gastrointestinal disturbances.

• 화재위험

  Special Hazards of Combustion Products: Emits toxic fumes under fire conditions. Forms explosive mixture in air.

• 잠재적 노출

  (o-isomer); Suspected reprotoxic hazard, Primary irritant (w/o allergic reaction), (m-isomer): Possible risk of forming tumors, Primary irritant (w/o allergic reaction). Picolines are used as intermediates in pharmaceutical manufacture, pesticide manufacture; and in the manufacture of dyes and rubber chemicals. It is also used as a solvent.

• 운송 방법

  UN2313 Picolines, Hazard Class: 3; Labels: 3-Flammable liquid.

• 비 호환성

  Vapors may form explosive mixture with air. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. Attacks copper and its alloys.

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