Azadirachtin, a chemical compound belonging to the limonoid group, is a secondary metabolite present in neem seeds. It is a highly oxidized tetranortriterpenoid which boasts a plethora of oxygen bearing functional groups, including an enol ether, acetal, hemiacetal, tetra-substituted epoxide and a variety of carboxylic esters.

CAS：11141-17-6
中文别名：卵楝素;
英文别名：azadirachtin;Azadirachtin;dimethyl (2aR,3S,4S,4aR,5S,7aS,8S,10R,10aS,10bR)-10-acetoxy-3,5-dihydroxy-4-[(1aR,2S,3aS,6aS,7S,7aS)-6a-hydroxy-7a-methyl-3a,6a,7,7a-tetrahydro-2,7-methanofuro[2,3-b]oxireno[e]oxepin-1a(2H)-yl]-4-methyl-8-{[(2E)-2-methylbut-2-enoyl]oxy}octahydro-1H-naphtho[1,8a-c:4,5-b’c’]difuran-5,10a(8H)-dicarboxylate;dimethyl (2aR,3S,4S,4aR,5S,7aS,8S,10R,10aS,10bR)-10-(acetyloxy)octahydro-3,5-dihydroxy-4-methyl-8-[[(2E)-2-methyl-1-oxo-2-buten-1-yl]oxy]-4-[(1aR,2S,3aS,6aS,7S,7aS)-3a,6a,7,7a-tetrahydro-6a-hydroxy-7a-methyl-2,7-methanofuro[2,3-b]oxireno[e]oxepin-1a(2H)-yl]-1H,7H-naphtho[1,8-bc:4,4a-c’]difuran-5,10a(8H)-dicarboxylate;Azaditrachtin;AZADIRACHTIN A;
分子式：C35H44O16
分子量：720.714
精确质量：720.263
Psa：212.04
Logp：-0.2031

PubChem号：24891232
MDL号：MFCD00083241

密度：1.51g/cm3
沸点：792.4ºC at 760mmHg
熔点：159ºC
闪点：244.8ºC
折射率：1.623
储存条件：-20ºC
蒸汽压：0mmHg at 25°C

安全说明：S22; S45
危险类别码：R22
危险品运输编码：UN 3077
包装等级：III

用途
植物源杀虫剂,对昆虫具有强烈 的拒食作用。鳞翅目害虫对其敏感。昆虫 经印楝素处理后出现幼(若)虫蜕皮延长 及不完全,体型畸形,或在蜕皮时死亡。 但印楝素的毒力相对较低,作用也较缓 慢,且持效期较短(5～7d),但它具有很 好的内吸传导作用。 印楝素可用于棉花、水稻、玉米、小 麦、蚕豆、花卉等作物,防治舞毒蛾、日 本金龟甲、烟芽夜蛾、谷实夜蛾、斜纹夜 蛾、小菜蛾、潜叶蝇、草地夜蛾、沙漠 蝗、非洲飞蝗、玉米螟、稻褐飞虱等害 虫,也可用作防治储粮害虫。