| 序号 | 中文名称 | 英文名称 |
|---|---|---|
| 273 | 酸性红 73(CI 27290) | Acid Red 73 (CI 27290) (CAS No. 5413-75-2) |
| 274 | 乌头碱(欧乌头主要生物碱)及其盐类 | Aconitine (principal alkaloid of Aconitum napellus L.) (CAS No. 302-27-2) and its salts |
| 275 | 丙烯酰胺, 在规范别处规定的除外 | Acrylamide (CAS No. 79-06-1),unless regulated elsewhere in the Standard |
| 276 | 丙烯腈 | Acrylonitrile (CAS No. 107-13-1) |
| 277 | 甲草胺(草不绿) | Alachlor (ISO) (CAS No. 15972-60-8) |
| 278 | 艾氏剂 | Aldrin (ISO) (CAS No. 309-00-2) |
| 279 | 五氰亚硝酰基高铁酸碱金属盐类 | Alkali pentacyanonitrosylferrate (2-), e.g. (CAS No. 14402-89-2/ CAS No 13755-38-9) |
| 280 | 丁二烯含量大于 0.1%(w/w)的 C1-2 链烷烃 | Alkanes, C1-2 (CAS No. 68475-57-0), if they contain > 0.1%(w/w) Butadiene |