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The branching in 2-ethyl-1-butanol makes it harder to crystallize due to packing disruption, which results in a very low freezing point. Esters of 2-ethyl-1-butanol are similarly effected and it therefore finds application as a feedstock in the production of plasticizers and lubricants, where its presence helps reduce viscosity and lower freezing points.
CH 2 =CHCO 2 H Propiolic acid: propynoic acid propargylic acid acetylene carboxylic acid CH≡CCO 2 H Lactic acid: 2-hydroxypropanoic acid milk acid CH 3 CHOHCO 2 H 3-Hydroxypropionic acid: 3-hydroxypropanoic acid hydracrylic acid CH 2 OHCH 2 CO 2 H Glyceric acid: 2,3-dihydroxypropanoic acid CH 2 OHCHOHCO 2 H Pyruvic acid: 2-oxopropanoic acid ...
Diacetylene has been identified in the atmosphere of Titan and in the protoplanetary nebula CRL 618 by its characteristic vibrational spectrum.It is proposed to arise by a reaction between acetylene and the ethynyl radical (C 2 H), which is produced when acetylene undergoes photolysis.
Acetylene (systematic name: ethyne) is the chemical compound with the formula C 2 H 2 and structure H−C≡C−H.It is a hydrocarbon and the simplest alkyne. [8] This colorless gas is widely used as a fuel and a chemical building block.
In organic chemistry, butyl is a four-carbon alkyl radical or substituent group with general chemical formula −C 4 H 9, derived from either of the two isomers (n-butane and isobutane) of butane. The isomer n -butane can connect in two ways, giving rise to two "-butyl" groups:
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n-Butane: Table data obtained from CRC Handbook of Chemistry and Physics 44th ed. Vapor pressure of n-butane. From formula: ...
This page contains tables of azeotrope data for various binary and ternary mixtures of solvents. The data include the composition of a mixture by weight (in binary azeotropes, when only one fraction is given, it is the fraction of the second component), the boiling point (b.p.) of a component, the boiling point of a mixture, and the specific gravity of the mixture.