Abstract: A composition containing: a compound (2); a metal compound; and at least one selected from a compound (3) and a compound (4), the compound (3) being contained in an amount of 10000 ppm or less relative to the compound (2), the compound (4) being contained in an amount of 10000 ppm or less relative to the compound (2), the compound (2) being represented by the following formula (2): the compound (3) being represented by the following formula (3): and the compound (4) being represented by the following formula (4): wherein the various substituents of compounds (2), (3) and (4) are as defined herein.

Abstract: An object of the present invention is to provide a method for producing a propionic acid derivative with high productivity. The object can be achieved by a method for producing a compound represented by formula (1): wherein R1 is a halogen atom or the like, R2 and R3 are each independently a hydrogen atom, a halogen atom, or an organic group, X is an oxygen atom or a sulfur atom, R4 and R5 are each independently a hydrogen atom, a halogen atom, or a hydrocarbon group optionally having one or more substituents, R6 is a hydrocarbon group optionally having one or more substituents; the method comprising step A of reacting a compound represented by formula (2): with a compound represented by formula (3): M(R1)n, wherein M is a cation, n is an integer corresponding to the valence of M, and a compound represented by formula (4): R6—X—H; and step B of separating, by filtration, the compound represented by formula (5): MFn from the mixture obtained by the above reaction.

Abstract: The present disclosure addresses the problem of providing a method for purifying an acrylic acid ester compound. This problem can be solved by a method for purifying a compound represented by formula (1) (wherein R1 and R2 are the same as or different and each represent an alkyl group, a fluoroalkyl group, an aryl group optionally having one or more substituent groups, a halogen atom, or a hydrogen atom, R3 is an alkyl group, a fluoroalkyl group, or an aryl group optionally having one or more substituent groups, and X is a fluoroalkyl group or a halogen atom), the method including step A of distilling composition A containing (a) the compound represented by formula (1), (b) an alcohol, and (c) a salt so as to obtain a concentrate containing the compound represented by formula (1).

Abstract: The present disclosure provides a composition containing (A) 1,1,1,3,3,3-hexafluoroisopropyl methyl ether (HFE-356mmz) and/or 1,1,2,3,3,3-hexafluoropropyl methyl ether (HFE-356mec), and (B) a fluorine oil.

Abstract: A composition containing: a compound represented by the following formula (D): wherein m is an integer of 0 to 6; p is 0 or 1; q is an integer of 0 to 6; Rf is a C1-C8 perfluoroalkyl group optionally containing oxygen with one fluorine atom being optionally replaced by a hydrogen atom, and a compound represented by the following formula (E): wherein n is an integer of 0 or greater; and M is a group represented by the following formula (E1): a group represented by the following formula (E2): or a group represented by the following formula (E3): wherein Z is hydrogen or a C1-C10 fluoroalkyl group.

Abstract: An object of the present invention is to provide a method for producing a propionic acid derivative with high productivity. The object can be achieved by a method for producing a compound represented by formula (1): wherein R1 is a halogen atom or the like, R2 and R3 are each independently a hydrogen atom, a halogen atom, or an organic group, X is an oxygen atom or a sulfur atom, R4 and R5 are each independently a hydrogen atom, a halogen atom, or a hydrocarbon group optionally having one or more substituents, RE is a hydrocarbon group optionally having one or more substituents; the method comprising step A of reacting a compound represented by formula (2): with a compound represented by formula (3): M(R1)n, wherein M is a cation, n is an integer corresponding to the valence of M, and a compound represented by formula (4): R6—X—H; and step B of separating, by filtration, the compound represented by formula (5): MFn from the mixture obtained by the above reaction.

Abstract: An object of the present invention is to provide a method for stabilizing an acrylic acid derivative, and a composition containing an acrylic acid derivative in which the acrylic acid derivative is stabilized. The present invention provides a composition comprising: (A) an acrylic acid derivative represented by Formula (I): (wherein, R1 and R2 are the same or different, and each represents alkyl, fluoroalkyl, aryl that may have one or more substituents, halogen, or hydrogen; Rc represents a group: —OR3 (wherein R3 represents alkyl, fluoroalkyl, aryl that may have one or more substituents, or hydrogen) or halogen; and X represents fluoroalkyl, alkyl, hydrogen, or halogen); and (B) amide, wherein the content of acrylic acid derivative (A) is 30% (w/w) or more.

Abstract: An object of the present invention is to provide a method for efficiently eliminating water from a composition containing an acrylic acid derivative and water. This problem is solved by a method for eliminating water from a composition A containing: (A) an acrylic acid derivative represented by Formula (I): wherein R1 and R2 are identical or different, and each represents alkyl, fluoroalkyl, aryl that may have one or more substituents, halogen, or hydrogen, R3 represents alkyl, fluoroalkyl, aryl that may have one or more substituents, or hydrogen, and X represents alkyl, fluoroalkyl, halogen, or hydrogen; and (B) water, the method comprising step A of bringing the composition A into contact with a zeolite.

Abstract: An object of the present invention is to provide a method for stabilizing an acrylic acid derivative, and a composition containing an acrylic acid derivative in which the acrylic acid derivative is stabilized. The present invention provides a composition comprising: (A) an acrylic acid derivative represented by Formula (I): (wherein Ra represents alkyl, fluoroalkyl, aryl that may have one or more substituents, or hydrogen; and X represents fluorine, alkyl, perfluoroalkyl, or hydrogen); and (B) aldehyde, wherein the content of acrylic acid derivative (A) is 30% (w/w) or more.

Abstract: An object of the present invention is to provide a method for stabilizing an acrylic acid derivative, and a composition containing an acrylic acid derivative in which the acrylic acid derivative is stabilized. The present invention provides a composition comprising: (A) an acrylic acid derivative represented by Formula (I): (wherein R1 and R2 are the same or different, and each represents alkyl, fluoroalkyl, aryl that may have one or more substituents, halogen, or hydrogen; R3 represents alkyl, fluoroalkyl, aryl that may have one or more substituents, or hydrogen; and X represents fluoroalkyl, alkyl, halogen, or hydrogen); and (B) alcohol, wherein the content of acrylic acid derivative (A) is 30% (w/w) or more.

Abstract: The problem solved by the present invention is to provide a method for efficiently purifying acrylic acid derivative (I), more specifically a method for efficiently eliminating alcohol (II) from a composition containing acrylic acid derivative (I) and alcohol (II).

Abstract: An object of the present invention is to provide a method for efficiently eliminating water from a composition containing an acrylic acid derivative and water. This problem is solved by a method for eliminating water from a composition A containing: (A) an acrylic acid derivative represented by Formula (I): wherein R1 and R2 are identical or different, and each represents alkyl, fluoroalkyl, aryl that may have one or more substituents, halogen, or hydrogen, R3 represents alkyl, fluoroalkyl, aryl that may have one or more substituents, or hydrogen, and X represents alkyl, fluoroalkyl, halogen, or hydrogen; and (B) water, the method comprising step A of bringing the composition A into contact with a zeolite.

Abstract: The problem solved by the present invention is to provide a method for efficiently purifying acrylic acid derivative (I), more specifically a method for efficiently eliminating alcohol (II) from a composition containing acrylic acid derivative (I) and alcohol (II).

Abstract: An object of the present invention is to provide a method for stabilizing an acrylic acid derivative, and a composition containing an acrylic acid derivative in which the acrylic acid derivative is stabilized. The present invention provides a composition comprising: (A) an acrylic acid derivative represented by Formula (I): (wherein, R1 and R2 are the same or different, and each represents alkyl, fluoroalkyl, aryl that may have one or more substituents, halogen, or hydrogen; Rc represents a group: —OR3 (wherein R3 represents alkyl, fluoroalkyl, aryl that may have one or more substituents, or hydrogen) or halogen; and X represents fluoroalkyl, alkyl, hydrogen, or halogen); and (B) amide, wherein the content of acrylic acid derivative (A) is 30% (w/w) or more.

Abstract: An object of the present invention is to provide a method for stabilizing an acrylic acid derivative, and a composition containing an acrylic acid derivative in which the acrylic acid derivative is stabilized. The present invention provides a composition comprising: (A) an acrylic acid derivative represented by Formula (I): (wherein Ra represents alkyl, fluoroalkyl, aryl that may have one or more substituents, or hydrogen; and X represents fluorine, alkyl, perfluoroalkyl, or hydrogen); and (B) aldehyde, wherein the content of acrylic acid derivative (A) is 30% (w/w) or more.

Abstract: An object of the present invention is to provide a method for stabilizing an acrylic acid derivative, and a composition containing an acrylic acid derivative in which the acrylic acid derivative is stabilized. The present invention provides a composition comprising: (A) an acrylic acid derivative represented by Formula (I): (wherein R1 and R2 are the same or different, and each represents alkyl, fluoroalkyl, aryl that may have one or more substituents, halogen, or hydrogen; R3 represents alkyl, fluoroalkyl, aryl that may have one or more substituents, or hydrogen; and X represents fluoroalkyl, alkyl, halogen, or hydrogen); and (B) alcohol, wherein the content of acrylic acid derivative (A) is 30% (w/w) or more.