A compound of the present invention is represented by the general formula (1) and has a 40° C. kinetic viscosity (v) that satisfies 4 mm2/s≤v≤30 mm2/s, CnH2n+1—(O—CH2CH2)p—O—(CH2)3—(C═O)—O—CmH2m+1  (1) (where O represents an oxygen atom, C represents a carbon atom, H represents a hydrogen atom, m is an integer of 1 to 18, n is an integer of 1 to 12, p is an integer of 1 to 3, and 2≤n+m≤30 is satisfied). The present invention provides (i) a lubricant excellent in energy-saving, heat resistance, and low-temperature fluidity and (ii) use of the lubricant.