109293-97-2 氟吡草腙

运输方式：冰袋运输。危险性质：非危险化学品。毒性数据：大鼠经口LD50>5000mg/kg，经皮LD50>5000mg/kg，吸入LC50 2.93mg/L；虹鳟鱼、蓝鳃太阳鱼LC50分别为106mg/L、135mg/L。残留限量：在多种农产品中有允许残留量，如甜菜、谷物等，部分有时间限制。

Herbicide for post-emergence control of annual broad-leaved and perennial weeds in maize, pasture/rangeland and non-crop areas. Wettable granular premix with Dicamba and Nicosulfuron. 99% technical product (acid), 93% manufacturing use product (sodium salt), and wettable granular end use product containing 21.4% sodium diflufenzopyr and 55% sodium dicamba. Use rates on field corn range from 4 to 8 ounces of formulated product, maximum two applications per season with total no more than 10 ounces.

农药

• 步骤: 将含有4-苯基氨基脲（0.37克，2.4毫摩尔）的5毫升甲醇溶液加入到2-乙酰基烟酸（0.40克，2.4毫摩尔）在7毫升甲醇的水溶液中，混合物在室温搅拌过夜，过滤收集固体沉淀，用乙醇洗，干燥，得到2-乙酰基烟酸4-苯基缩氨基脲。
• 条件: 室温搅拌过夜，乙醇洗涤，干燥。