Formic acid, chemical formula HCOOH, molecular formula ch2o2, molecular weight 46.03. A colorless, pungent liquid. Weak electrolyte, melting point 8.6 ℃, boiling point 100.8 ℃. It is very acidic and corrosive and may cause skin blistering.

Because potassium nitrate does not contain chloride ions, it has been widely used in agriculture as potassium fertilizer. The application prospect of potassium nitrate is also promising. Although its production cost is on the high side, its advantage is incomparable with that of potassium chloride.

For caustic soda flakes, at present, manufacturers including Binhua and Junzheng are stable on the market, and most of them have not changed. At present, the main market price in Inner Mongolia is 2350-2400 yuan / ton.

The Sino-US trade war, which lasted for more than a year, finally ushered in the first phase of the agreement on December 13, which is a good support for market sentiment. Peripheral oil prices reached a three-month highest closing for two consecutive days.