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formic acid

Formic acid (chemical formula HCOOH, molecular formula CH2O2, molecular weight 46.03), commonly known as formic acid, is a relatively simple carboxylic acid. A colorless liquid with a pungent odor. Weak electrolyte, melting point 8.6 ℃, boiling point 100.8 ℃. It has strong acidity, corrosiveness, and can stimulate skin foaming. Exists in the secretions of bees, certain ants, and caterpillars. It is an organic chemical raw material and also used as a disinfectant and preservative.

oxalate

Oxalic acid is a metabolic product of living organisms, widely distributed in plants, animals, and fungi, and plays different functions in different living organisms. Research has found that over a hundred plants are rich in oxalic acid, especially spinach, amaranth, sugar beet, purslane, taro, sweet potato, and rhubarb, which have higher levels. Oxalic acid can reduce the bioavailability of mineral elements and easily form calcium oxalate with calcium ions in the human body, leading to kidney stones. Therefore, oxalic acid is often considered an antagonist of mineral element absorption and utilization.

Anhydrous citric acid

Anhydrous citric acid

Colorless and semi transparent crystals or white particles or white crystalline powders, often containing one molecule of crystalline water, odorless, extremely acidic in taste, soluble in water, alcohol, and ether. Controlling the appropriate temperature during crystallization can obtain anhydrous citric acid. The aqueous solution is acidic.

Citric acid monohydrate

Citric acid monohydrate

The molecular formula of citric acid monohydrate is C6H8O7 · H20, mainly used in the food and beverage industry as an acidifier, flavoring agent, preservative, and preservative. It is also used as an antioxidant, plasticizer, and detergent in the chemical industry, cosmetics industry, and washing industry.

Dimethyl carbonate

Dimethyl carbonate

Dimethyl carbonate (DMC) is a non-toxic, environmentally friendly, and widely used chemical raw material. It is an important organic synthesis intermediate with functional groups such as carbonyl, methyl, and methoxy in its molecular structure. DMC has various reaction properties and is safe, convenient, less polluting, and easy to transport in production. Due to its low toxicity, dimethyl carbonate is a "green" chemical product with promising development prospects.

Butyl acetate

Butyl acetate, abbreviated as butyl acetate. A colorless, transparent liquid with a pleasant fruity aroma. Lower level homologues are difficult to dissolve in water; Compatible with organic solvents such as alcohols, ethers, and ketones. Flammable. Acute toxicity is relatively low, but it has strong irritation to the eyes and nose, and can cause anesthesia at high concentrations. Butyl acetate is an excellent organic solvent with good solubility for ethyl cellulose, butyrate cellulose acetate, polystyrene, methyl methacrylate resin, chlorinated rubber, and various natural tree resins.

Ethyl cyanoacetate

Ethyl cyanoacetate

Mainly used in organic synthesis, pharmaceutical industry, and dye industry. At low concentrations, experimental animals may experience rapid breathing, tearing, drowsiness, mental lethargy, and delayed response; At slightly higher concentrations, breathing difficulties, lateral lying, and protruding eyeballs may also occur; Extreme breathing difficulties, spasms, and death occur when the concentration is high. Can cause poisoning and death through transdermal absorption. In addition, it also poses certain hazards to the environment.

Malonic acid

Malonic acid, also known as malic acid. Molecular formula HOOCCH2COOH. Calcium salts exist in the roots of sugar beets, and the scale deposited in the concentration tank of sugar beet production is called calcium malonate. Malonic acid is a colorless sheet-like crystal; Melting point 135.6 ℃, decomposition at 140 ℃, density 1.619 g/cm3 (16 ℃); Can dissolve in water, alcohol, and ether. Can dissolve in acetone and pyridine.

copper sulphate

copper sulphate

Copper sulfate, an inorganic compound with the chemical formula CuSO4. It is a white or off white powder. The aqueous solution is weakly acidic and appears blue. But when crystallized from an aqueous solution, blue copper sulfate pentahydrate (CuSO4 · 5H2O, also known as bilite) is generated, which can be used to test the presence of water. After losing its crystalline water due to heat, it decomposes and is very stable at room temperature and pressure, without deliquescence. It will gradually weather in dry air. Copper sulfate is an important raw material for the preparation of other copper containing compounds. Mixing with lime milk can produce Bordeaux mixture, which can be used as a fungicide. Also used as an electrolyte for electrolytic refining of copper.

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