Method for producing 1,2-dichloro-3,3-difluoro-1-propene and solvent composition
By fluorinating 1,2,3,3-tetrachloro-1-propene (1230xd) using hydrogen fluoride as a fluorinating agent, an efficient method for producing 1,2-dichloro-3,3-difluoro-1-propene (1232xd) is provided. Through this composition including 1232xd, there are also provided an environmentally friendly composition having excellent ability to dissolve various organic matters, a method for cleaning an article using the composition, a method for producing a lubricant solution using the composition, and a method for producing a component provided with a lubricant coating film.
1. A method for producing 1,2-dichloro-3,3-difluoro-1-propene comprising a step of performing a fluorination of 1,2,3,3-tetrachloro-1-propene with hydrogen fluoride in a liquid phase.
2. The method according to claim 1 , wherein the fluorination is performed at a temperature of 100° C. or more and 200° C. or less.
3. The method according to claim 1 , wherein the fluorination is performed in a presence of a Lewis acid catalyst containing tin or titanium, or in a absence of catalysts.
4. A method for producing 1,2-dichloro-3,3-difluoro-1-propene comprising a step of performing a fluorination of 1,2,3,3-tetrachloro-1-propene with hydrogen fluoride,
wherein the fluorination is performed in a vapor phase and performed at a temperature of 100° C. or more and 500° C. or less without a catalyst, and
1,2,3-trichloro-3-fluoro-1-propene is produced by the fluorination together with 1,2-dichloro-3,3-difluoro-1-propene.
5. The method according to claim 4 , wherein 1,2,3-trichloro -3-fluoro-1-propene is provided with 1,2,3,3-tetrachloro-1-propene for the fluorination.
6. The method according to claim 4 , wherein the fluorination is performed in a presence or absence of fillers.