A method for producing a fluorine-containing organic compound represented by the formula (7):
R—F
m
(7)
wherein R represents a substituted or unsubstituted saturated hydrocarbon group, or a substituted or unsubstituted aromatic group and m represents an integer satisfying the inequality: 1≦m≦n,
which comprises reacting a fluorinating agent represented by the formula (1):
wherein R
1
and R
3
are the same or different, and represent an optionally substituted alkyl group, R
2
, R
4
and R
5
are the same or different, and represent a hydrogen atom or an optionally substituted alkyl group, x satisfies 0