Crotonaldehyde NEW

CAS:	123-73-9
MF:	C4H6O
MW:	70.09
EINECS:	204-647-1
Product Categories:	Building Blocks;C1 to C6;Aldehydes;Carbonyl Compounds;Chemical Synthesis;Organic Building Blocks;Pharmaceutical Intermediates;C1 to C6;Carbonyl Compounds
Mol File:	123-73-9.mol

Chemical Properties	Crotonaldehyde is water-white (turns paleyellow on contact with air) with an irritating, pungent, suffocating odor. The chemical can turn pale yellow when it contacts air. The chemical has a molecular weight of 70.1, a boiling point of 219°F, and a freezing point of -101°F. The vapor pressure is 30mm Hg at 25°C and the specific gravity is 0.87. The lower explosive limit is 2.1% and the upper explosive limit is 15.5%. Crotonaldehyde may be incompatible with caustics, ammonia, strong oxidizers, nitric acid, and amines. It also has the ability to polymerize at high temperatures.
Uses	Crotonaldehyde (2-butenal, β-methyl acrolein, propylene aldehyde) is similar in structure to acrolein, as both are α,β-unsaturated aldehydes. This structural similarity leads to similar sensitizing and irritating properties of the two compounds. Crotonaldehyde is used industrially in the preparation of other chemicals (chiefly sorbic acid), flavoring agents, and can form endogenously and in the environment. Crotonaldehyde is used in the manufacture ofbutyl alcohol, butyraldehyde, and in severalorganic synthesis.
Definition	ChEBI: Crotonaldehyde is an enal consisting of propene having a formyl group at the 1-position.
General Description	Water-white to straw-colored liquid with a pungent, suffocating odor. Used as a chemical intermediate in a variety of industrial processes (surfactants, textiles, paper, fuels, insecticides, leather tanning, etc.). Used in chemical warfare.
Air & Water Reactions	Highly flammable.
Reactivity Profile	Crotonaldehyde is an aldehyde. Crotonaldehyde can react violently with strong oxidizing reagents, e.g., reaction with conc. nitric acid leads to instantaneous ignition [Andrussow, L., Chim. Ind. (Paris), 1961, 86, p. 542]. In contact with strong acids or bases Crotonaldehyde will undergo an exothermic condensation reaction. Reaction with 1,3-butadiene is particularly violent [Greenlee, K. W., Chem. Eng. News, 1948, 26, p. 1985]. Crotonaldehyde may rapidly polymerize with ethyl acetoacetate (Soriano, D.S. et al. 1988. Journal of Chemical Education 65:637.).

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Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in 4'-Methylacetophenone,Levamisole hydrochloride ,N-Methylformamide and other chemical reagents research and development production enterprises. Our business covers more than 30 countries, most of the big customers come from Europe, America and other countries in the world, we can guarantee the quality and price. In recent decades, with the efforts of all employees, we have established many cooperative companies in shandong, henan, guangdong and other places. Our corporate purpose is based on the market, enhance the strength, take the road of scientific and environmental sustainable development, relying on the country. Technology r & d center, increase the investment in r & d, based on the domestic market, expand the international market, manufacturing quality products, sincere service to the society, into a modern, ecological, scientific and technological enterprise world.

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