96% 99.6% White Crystal Oxalic Acid (CAS: 144-62-7) for Industrial

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Farmasino Co., Ltd.

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96% 99.6%
144-62-7
C2H2O4
205-634-3
Polyatomic Acid
Weak Acid
Powder
White
385686
3(1 mm Solution);2.09(10 mm Solution);1.31(100 mm
14, 6911
custom-made
Plastic Woven Bag/Jumbo Bag
25KGS/BAG; 25MT/20FCL
China
2917111000
Product Description
PRODUCT NAME: Oxalic Acid 99.6%
ITEM(GB/T 1626-2008)SPECIFICATIONSRESULT
APPEARANCEWHITE CRYSTALSWHITE CRYSTALS
PURITY %99.6% min99.65
SULPHATE %0.07%max0.005
HEAVY METALS(As Pb) %0.0005% max0.0004
FE %0.0005%max0.00007
CHLORIDE %0.0005 %max0.0004
Ca %0.0005%max0.0004

PRODUCT NAME: Oxalic Acid 96%
ITEM(GB/T 1626-2008)SPECIFICATIONSRESULT
APPEARANCEWHITE CRYSTALSWHITE CRYSTALS
PURITY %96% min96.15
SULPHATE %0.1%max0.05
HEAVY METALS(As Pb) %0.005% max0.003
FE %0.005%max0.003
CHLORIDE %0.002%max0.001
Ca %0.005%max0.002


Brief Introduction

Oxalic acid is the simplest dibasic carboxylic acid, also known as adipic acid, which is a colorless transparent crystal at room temperature, usually containing two molecules of crystal water, which loses the crystal water when heated to 100.1 °C and becomes anhydrous oxalic acid. Toxic and harmful to the human body. It is hygroscopic, soluble in ethanol, soluble in water, and slightly soluble in ether. Insoluble in benzene and chloroform. Oxalic acid can form water-soluble complexes with many metals. Because the molecule is directly connected by two carboxyl groups, it is more acidic than other binary organic acids, and the acidity is 10,000 times that of acetic acid. It has strong reducibility of Chemicalbook, and is easily oxidized into carbon dioxide and water by the interaction with oxidants. Oxalic acid can be quantitatively oxidized by potassium permanganate in acidic solution, so that potassium permanganate solution is reduced to 2-valent manganese and faded. At 189.5°C or concentrated sulfuric acid, it will decompose to form carbon dioxide, carbon monoxide and water. Oxalic acid can be used to produce carbon monoxide gas by thermal decomposition in laboratories. It also contains small amounts of oxalic acid in human urine, and calcium oxalate is the main component of urethral stones.

Application

 Oxalic acid can be used as a reducing agent, bleaching agent, dyeing aid, regulator, additive, etc.

1. Oxalic acid is mainly used in the production of drugs such as antibiotics and borneol, as well as solvents, dyes, reducing agents, tanning agents, etc. for refining rare metals. In addition, oxalic acid can also be used to synthesize various oxalate, oxalate and oxalamide products, with diethyl oxalate and sodium oxalate and calcium oxalate being the largest yield. Oxalic acid can also be used in the production of cobalt-molybdenum-aluminum catalysts, the cleaning of metals and marbles, and the bleaching of textiles. It is used as an acidity regulator for the synthesis of urea-formaldehyde resin, melamine formaldehyde resin and other adhesives. It is used in the pharmaceutical industry to manufacture drugs such as oxytetracycline and chlortetracycline.

2. Mainly used as reducing agent and bleaching agent, mordant in the printing and dyeing industry, also used in refining rare metals, synthesizing various oxalates, oxalate and oxalamide, etc.

3. Used as an acidity regulator for synthetic urea-formaldehyde resin, melamine formaldehyde resin and other adhesives. It can also be added to polyvinyl formaldehyde water-soluble adhesive to improve drying speed and bonding strength. It is an important raw material for organic synthesis, which is used in the production of various oxalate, oxalate, oxalamide, hydroquinone, pentatetrastery, gallic acid and other products. It is used in the pharmaceutical industry to manufacture drugs such as chlortetracycline, oxytetracycline, tetracycline, streptomycin, borneol, vitamin B12, phenobarbital, etc. In the printing and dyeing industry, it is used as a chromogenic dyeing aid and bleaching agent. The plastics industry is used in the production of polyvinyl chloride, amino plastics, urea-formaldehyde plastics. The metallurgical industry is used to produce high-purity nickel, carbon rods and precipitated rare earth metals. It is also used as metal detergent, tanning agent, chelating agent, catalyst, anaerobic adhesive and acrylate fast-setting adhesive polymerization inhibitor, machining rust remover, electroplating complexing agent, wood bleaching, marble cleaning and oil refining.

4. It can be used as an additive in shampoo in cosmetics, mainly used in the manufacture of chemical industry products; used in the pharmaceutical industry to manufacture antibiotics and other medicines; The printing and dyeing industry and leather industry are widely used; used in oleochemistry as terpineol, glycerol and stearate refined preparations; In addition, it is used in aluminum products processing and cemented carbide production.

 

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