PROBLEM TO BE SOLVED: To provide a heat-transpiration agent with reduced odor, such as smoke smell and chemical smell, and irritating feeling due to smoke and chemicals that are generated during transpiration by heating, a method for reducing odor and irritation that are generated when a heat-transpiration agent is heated, and a reducing agent for odor and irritation that are generated when a heat-transpiration agent is heated.SOLUTION: A heat-transpiration agent comprises (A) an insect pest control agent, (B) azodicarbonamide, and (C) a flavor component, wherein as the (C) flavor component, at least one of methyl dihydrojasmonate, linalool, terpineol, β-ionone, α,α-dimethyl phenethyl alcohol, menthyl acetate, methyl acetate, benzyl acetate, and α-terpinene is contained.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT【課題】加熱して蒸散させる際に発生する、煙臭、薬剤臭といった臭気や、煙や薬剤による刺激感を軽減した加熱蒸散剤、加熱蒸散剤を加熱する時に発生する臭気および刺激の軽減方法、加熱蒸散剤を加熱する時に発生する臭気および刺激の軽減剤を提供すること。【解決手段】(A)害虫防除剤、(B)アゾジカルボンアミド、(C)香料成分を含有し、(C)香料成分として、ジヒドロジャスモン酸メチル、リナロール、テルピネオール、β-イオノン、α,α-ジメチルフェネチルアルコール、メンチルアセテート、メチルアセテート、ベンジルアセテート、α-テルピネンのいずれか1種以上を含有することを特徴とする加熱蒸散剤。【選択図】図2