二噁英通常指具有相似结构和理化特性的一组多氯取代的平面芳烃类化合物,属氯代含氧三环芳烃类化合物,包括75 种多氯代二苯并一对一二噁英和135种多氯代二苯并呋哺,缩写为PCDD/Fs。研究最为充分的有毒二噁英为2 位、3位、7 位、8 位被氯原子取代的17 种同系物异构体单体(congenor),其中,2,3,7,8-四氯二苯并-对-二噁英(2,3,7,8一TCDD)是目前所有已知化合物中毒性最强的二噁英单体( 经口LDSO按体重计仅为1pug/kg),且还有极强的致癌性( 致大鼠肝癌剂量按体重计10μg/g)和极低剂量的环境内分泌干扰作用在内的多种毒性作用。这类物质既非人为生产、又无任何用途,而是燃烧和各种工业生产的副产物。

按化学元素
Bx
Cx
Nx
Ox
Fx
Six
Px
Sx
Clx
Brx
Ix
官能团: 氯代物 (1) 酯 (4)
按纯度: 99+% 99% 98+% 98% 97+% 97% 96+% 96% 95+% 95% 93% 90+% 90%
按分子量: 100-200 200-300 300-400 400-500 500-600 600-700 800-900
按化学元素: CClNOS CBrO CClNO CClO CNO CO CIO
清空选项
144690-92-6 (5-Methyl-2-oxo-1,3-dioxol-4-yl)methyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2'-(1-trityl-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate
BD155669144690-92-695%
¥185.005g常备现货
21240-34-6 4,5-Diphenyl-1,3-dioxol-2-one
BD1577921240-34-695%
¥1485.005g常备现货
37830-90-3 4,5-Dimethyl-1,3-dioxol-2-one
BD276837830-90-398%
¥251.00500g常备现货
91526-18-0 4-(Hydroxymethyl)-5-methyl-1,3-dioxol-2-one
BD21546391526-18-096%
¥47.005g常备现货
80841-78-7 4-(Chloromethyl)-5-methyl-1,3-dioxol-2-one
BD267580841-78-797%
¥28.0010g常备现货
2254447-02-2 Benzo[d][1,3]dioxole-5-carbonyl fluoride
BD013783612254447-02-297%
¥320.00100mg常备现货
879562-26-2 (5-Methyl-2-oxo-1,3-dioxol-4-yl)methyl 1-((2'-(2H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-4-(prop-1-en-2-yl)-2-propyl-1H-imidazole-5-carboxylate
BD228178879562-26-298+%
¥9680.00100mg
144978-05-2 (5-Methyl-2-oxo-1,3-dioxol-4-yl)methyl 5-(2-hydroxypropan-2-yl)-2-propyl-1H-imidazole-4-carboxylate
BD261771144978-05-295+%
¥6895.001g
1