Fluorine-containing ether compound, lubricant for magnetic recording medium, and magnetic recording medium

A fluorine-containing ether compound represented by the following Formula (1):

• R1—R2—CH2—R3[—CH2—R4—CH2—R3′]n-CH2—R5—R6 (1)
• (in Formula (1), n is 1 or 2;
• R3 and R3′ are a perfluoropolyether chain;
• some or all of R3 and one or two R3′'s may be the same, or all of them may be different from each other;
• R4 is a divalent linking group having one polar group;
• when n is 2, two R4's may be the same as or different from each other;
• R2 and R5 are a divalent linking group having one or more polar groups, and may be the same as or different from each other;
• R2 has an oxygen atom at an end that is bonded to R1;
• R5 has an oxygen atom at an end that is bonded to R6;
• R1 and R6 are an end group bonded to an oxygen atom at an end of R2 or R5, and may be the same as or different from each other;
• and R1 and R6 are an organic group having 1 to 50 carbon atoms, and at least one of R1 and R6 is a group in which a carbonyl carbon atom or nitrogen atom constituting an amide bond is bonded to a carbon atom of an organic group having 1 to 8 carbon atoms),
• wherein
• at least one of R1 and R6 in Formula (1) is a group in which a carbonyl carbon atom or nitrogen atom constituting an amide bond is bonded to a carbon atom of a phenyl group or an alkyl group having 1 to 6 carbon atoms,
• wherein, when n is 1, at least one of (i) to (iii) is satisfied,
• (i) at least one of R1 and R6 in Formula (1) is a group in which a carbonyl carbon atom or nitrogen atom constituting an amide bond is bonded to a carbon atom of an alkyl group having 1 to 6 carbon atoms,
• (ii) R4 is a group in which one polar group is bonded to a carbon atom of an alkylene group having 3 carbon atoms, and
• (iii) R2 in Formula (1) is a linking group represented by the following Formula (2-1) or (2-2), and R5 in Formula (1) is a linking group represented by the following Formula (2-3) or (2-4):
• (in Formula (2-1), p1 represents an integer of 2 to 3),
• (in Formula (2-2), q1 represents an integer of 2 to 4),
• (in Formula (2-3), p2 represents an integer of 2 to 3),
• (in Formula (2-4), q2 represents an integer of 2 to 4).