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Adipic acid
Classification:
Product Description
Specifications
Basic information
Adipic acid has a functional group that is a carboxyl group, and thus may have the properties of a carboxyl group, such as a salt-forming reaction, an esterification reaction, an amidation reaction, etc. At the same time, as a dicarboxylic acid, it can also be condensed with two amines or diols into high molecular polymers. [3]
salt-forming reaction
Adipic acid is a typical acid with a pKa between 4.41 and 5.41. It can react with a general alkaline substance to form a salt and show acidity.
Application areas
Adipic acid is mainly used as a raw material for nylon 66 and engineering plastics. It is also used in the production of various ester products. It is also used as a raw material for polyurethane elastomers and an acidifier for various foods and beverages. Its effect is sometimes better than citric acid and tartaric acid.
Adipic acid is also a raw material for pharmaceuticals, yeast purification, pesticides, adhesives, synthetic leather, synthetic dyes and fragrances.
Adipic acid has a soft and lasting sour taste, and its pH value changes little in a large concentration range, so it is a good pH regulator. According to GB2760-2007 regulations, the maximum usage amount of this solid beverage is 0.01 g/kg. It can also be used for jelly and jelly powder, and the maximum usage amount for jelly is 0.01 g/kg. When used for jelly powder, the usage amount can be increased according to the adjustment multiple. [4]
Packaging, transportation and safety
Store in a cool, ventilated, rainproof warehouse. Keep away from fire and heat source. It should be stored separately from oxidizing agent, reducing agent and alkali, and mixed storage should not be allowed. Equipped with corresponding types and quantities of fire fighting equipment and leakage emergency treatment equipment. The storage area shall be provided with suitable materials to contain spills.
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