中文名3,4-二甲基-1,2-环戊二酮英文名3,4-Dimethyl-1,2-Cyclopentanedione别名3,4-二甲基环戊酮3,4-二甲基-1,2-环已酮3,4-二甲基-1,2-环已二酮3,4-二甲基-1,2-环戊二酮2-羟基-3,4-二甲基-2-环戊烯-1-酮3,4-二甲基-1,2-环戊烯醇酮3,4-二甲基-1,2-环戊二酮英文别名FEMA 3268FEMA No. 3268UNII-50AIF51OCIMETHYL CORYLONE3,4-dimethyl-2-cyclopentanedione3,4-Dimethyl-1,2-cyclopentadione3,4-Dimethylcyclopentane-1,2-dione3,4-Dimethyl-1,2-Cyclopentanedione2-Cyclopentanedione,3,4-dimethyl-13,4-dimethylcyclopentane-1,2-dione3,4-Dimethyl-1,2-cyclopentanedione1,2-Cyclopentanedione, 3,4-dimethyl-(3S,4S)-3,4-dimethylcyclopentane-1,2-dione(3R,4S)-3,4-dimethylcyclopentane-1,2-dione(3S,4R)-3,4-dimethylcyclopentane-1,2-dione(3R,4R)-3,4-dimethylcyclopentane-1,2-dione2-hydroxy-3,4-dimethylcyclopent-2-en-1-oneCAS13494-06-9EINECS236-810-8化学式C7H10O2分子量126.15InChIInChI=1/C7H10O2/c1-4-3-6(8)7(9)5(4)2/h4-5H,3H2,1-2H3/t4-,5+/m1/s1密度1.0579 (rough estimate)熔点68-72°C(lit.)沸点194.28°C (rough estimate)闪点63.6°C水溶性slightly soluble蒸汽压0.633mmHg at 25°CJECFA Number420溶解度氯仿 (可溶),甲醇 (微溶)折射率1.4690 (estimate)存储条件Inert atmosphere,2-8°C外观结晶性粉末颜色Slightly yellow to light beige物化性质淡黄至黄色粉末。沸点66℃(133Pa)。熔点68~72℃。呈很强的胡芦巴和甘草似香味。天然品存在于煮过的猪肉和咖啡等中。MDL号MFCD00143063