Brazing material, brazing member, heat exchanger, and producing method of brazing member

A brazing material for brazing aluminum or an aluminum alloy comprising:

• fluoride-based flux,
• a solidifying agent, and
• an organic viscosity reducing agent,
• the fluoride-based flux being at least one selected from the group consisting of Cs—Al—F flux and K—Al—F flux,
• the solidifying agent including at least one compound selected from the group consisting of a normal temperature solid hydrocarbon, a normal temperature solid alkyl alcohol, a normal temperature solid ether alcohol, and a high carbon carboxylic acid-high carbon alcohol ester,
• a mixing ratio of the solidifying agent with respect to 100 parts by mass of the fluoride-based flux being 10 parts by mass or more and 2000 parts by mass or less, and
• the brazing material being solid at 25° C.