The uses of oxalic acid are:

1. As bleaching agent:

Oxalic acid is mainly used as reducing agent and bleaching agent. Used for producing antibiotics, extracting rare metal solvents, dye reducers, tanning agents, etc.

oxalic acid can also be used to produce Co Mo Al catalyst, metal and marble cleaning and textile bleaching.

used for metal surface cleaning, rare earth element extraction, textile printing and dyeing, leather processing, catalyst preparation, etc.

2. Reducing agent:

The organic synthesis industry is mainly used to produce hydroquinone, pentaerythritol, cobalt oxalate, nickel oxalate, gallic acid and other chemical products.

The plastic industry is used to produce PVC, aminoplastics, urea-formaldehyde plastics and paints.

The dye industry is used to make base green and so on.

The printing and dyeing industry can replace acetic acid as a developer and bleaching agent for pigment dyes.

The pharmaceutical industry is used to produce chlortetracycline, oxytetracycline, tetracycline and streptomycin.

In addition, oxalic acid can also be used for the synthesis of oxalate, oxalate and oxalate amide, with the largest yield of diethyl oxalate, sodium oxalate and calcium oxalate.

Introduction:

Oxalic acid is a metabolite of organisms, which is widely distributed in plants, animals and fungi, and plays different functions in different living bodies. It is found that more than 1 kinds of plants are rich in oxalic acid, especially spinach, amaranth, beet, purslane, taro, sweet potato and rhubarb. Because oxalic acid can reduce the bioavailability of mineral elements, it is easy to form calcium oxalate with calcium ions in human body and lead to kidney calculi, so oxalic acid is often considered as an antagonist of mineral elements absorption and utilization.

Characteristics:

Colorless monoclinic flake or prism crystal or white powder, oxidized oxalic acid is odorless, and synthesized oxalic acid is odorless. Sublimation at 15~16℃. Weathering in hot and dry air. 1g is soluble in 7ml water, 2ml boiling water, 2.5ml ethanol, 1.8ml boiling ethanol, 1ml ether and 5.5ml glycerol, but insoluble in benzene, chloroform and petroleum ether. The pH value of .1mol/L solution is 1.3. Relative density (d18.54)1.653. Melting point is 11~12℃(187℃, anhydrous). Low toxicity, LD5 (rabbit, percutaneous) 2mg/kg.