Fluorocompound, silver halide photographic light-sensitive material, surfactant, and water-based coating composition employing same

A surfactant comprising a fluorocompound denoted by general formula (1) below:

• wherein R1 denotes a substituted or unsubstituted alkyl group having a total of at least six carbon atoms, with R1 not being an alkyl group substituted with a fluorine atom;
• Rf denotes a perfluoroalkyl group having not more than six carbon atoms;
• either X1 or X2 denotes a hydrogen atom and the other denotes SO3M;
• M denotes a cation;
• and n denotes an integer of not less than 1.

A water-based coating composition comprising a fluorocompound denoted by general formula (1) below:

• wherein R1 denotes a substituted or unsubstituted alkyl group having a total of at least six carbon atoms, with R1 not being an alkyl group substituted with a fluorine atom;
• Rf denotes a perfluoroalkyl group having not more than six carbon atoms;
• either X1 or X2 denotes a hydrogen atom and the other denotes SO3M;
• M denotes a cation;
• and n denotes an integer of not less than 1.