Adipic acid, also known as hexanedioic acid, is an important organic dibasic acid that can undergo salt formation, esterification, amidation, etc., and can be polycondensed with diamines or glycols to form high-molecular polymers. Adipic acid is a dicarboxylic acid of great industrial significance. Because it plays an important role in chemical production, the organic synthesis industry, medicine, lubricant manufacturing, etc. And its output ranks second among all dicarboxylic acids.
Adipic acid is the most important aliphatic dibasic acid, which can undergo condensation reactions with polyfunctional compounds, such as hexamethylene diamine. Adipic acid melting point is 152℃ and the boiling point of adipic acid is 330.5℃. Industrially, the condensation reaction of adipic acid and hexamethylene diamine is used to produce nylon 66 salt (abbreviated as AH salt), and nylon 66 salt can be further polycondensed to obtain nylon 66 resin. In addition, adipic acid can also react with alcohols to produce adipic acid esters, which can be used as plasticizers, synthetic lubricants, and polyester polyols.
Protective measures of adipic acid:
(1) Respiratory system: When the powder concentration in the air exceeds the standard, a self-inhalation filter type dust mask must be worn.
(2) Eyes: Wear chemical safety protective glasses.
(3) Hands: Wear rubber gloves.
(4) Others: Smoking is strictly prohibited in the workplace. Pay attention to personal hygiene.
Precautions for the storage of adipic acid:
Douwin Chemical is a professional adipic acid factory in China and we remind you to pay attention to the storage of adipic acid. Adipic acid is stored in a cool, ventilated warehouse, away from fire and heat sources, and should be stored separately from oxidants, reducing agents, alkalis, etc. Remember not to store them together. Corresponding types and quantities of fire-fighting equipment should be equipped, and the storage area should be equipped with suitable materials to deal with the spilled material.
The adipic acid uses are very extensive. Adipic acid is used in nylon 66 and engineering plastics, polyurethane foam synthetic leather, synthetic rubber, and other raw materials; it can be used as an ester plasticizer and textile treatment agent, as well as in the production of medicines, pesticides, spices, adhesives, and scaling powder.
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