Orgnic acid

  Properties: Oxalic acid forms fine colourless crystals, readily soluble in water, with light nitrogen oxides-like odour. Oxalic acid dihydrate begins to dissociate at temperature over 30 0C. If heated quickly, it melts at 101.5 0C,anhydrous oxalic acid melts at 180 0C. Applications: Purifying agent in pharmaceutical industry, special in antibiotic medication, such as Oxytetracycline , Chloramphenicol , etc; Precipitating agent in Rare-earth mineral processing; Bleaching agent in the textile activities, wood pulp bleaching; Rust-remover for Metal treatment; Grinding agent, such as Marble polishing; Waste water treatment, removing calcium from water.

  Properties: At normal temperature, it is a kind of clear, colorless liquid with characteristic of pungent odor. Its density is 1.2201(20/4°C), melting point is 8.6°C,boiling point is 100.8°C, flash point in open cup is 68.9°C and auto-ignition temperature is 601.1°C.It can be mutually dissolved with water, ethanol and glycerol. It is corrodible and reducible. Quality standard: GB/T2093-93 Applications: Formic acid is a kind of basic material in organic chemicals. It is widely used in pesticides industry , leather industry, medicine industry, rubber industry, printing and dyeing industry and chemical?