双乙烯酮是一种精细有机化工原料,用途较广,市场行情很好。我国目前仅有22家生产厂,总生产能力约2万多t,年产量在1.25万t左右。最大的生产厂家是南通醋酸化工厂,年产量约有2500t。它有20多种衍生物,不少医药、农药厂家为自身配套双乙烯酮装置,生产双乙烯酮衍生产品。近两年来,该系列产品无论品种和数量均有较大 Diketene is a fine organic chemical raw material with wide application and good market conditions. At present, there are only 22 production plants in China, with a total production capacity of about 20,000 tons and an annual output of around 125,000 tons. The largest manufacturer is the Nantong acetic acid chemical plant, with an annual output of approximately 2,500 tons. It has more than 20 kinds of derivatives, many pharmaceutical and pesticide manufacturers for their own diketene device, the production of diketene derivatives. In the past two years, this series of products have a large variety and quantity.