Morpholine (1,4-oxazepine)
Molecular formula: C4H9NO
CAS number:110-91-8
Molecular weight: 87.12
Density: 1.001 (P20,%/cm³)
Melting point: -4.9℃
Boiling point: 128℃
Flammable temperature: 310℃
Flash point: 35℃
Hazard Class: 8(3) (Corrosive Liquid) UN:2054
Appearance and shape: It is a colorless liquid at room temperature, with hygroscopicity and special amine smell, miscible with water in any proportion, easily soluble in aromatic hydrocarbons, alcohols, ketones, ethers and organic solvents, slightly Soluble in mineral oil and aliphatic hydrocarbons, slightly toxic. Morpholine reacts with inorganic acids to form salts, and reacts with organic acids to form salts or amides. Alkylation reactions can be carried out, and reactions with ethylene oxide, ketones or Willgerodt reactions can also be carried out.
Purpose:
Morpholine is mainly used in the manufacture of rubber accelerators (such as NOBS, OTOS, and MDS, etc.), vulcanizing agents (such as DT-DM, etc.), cleaning agents, descaling agents, rust inhibitors, anti-scorch agents, anti-corrosion Agents, surfactants, textile printing and dyeing auxiliaries, optical bleaching agents, chemical plating solutions, antioxidants, hydrolysis agents, initiators, developers, fruit preservatives, deodorants, bright polishing agents and organic solvents, etc., are extremely useful wide range of chemicals. Applications in the fields of medicine, pesticides, veterinary drugs, petroleum and coking aromatics extraction have also been continuously developed and put into production.
Morpholine is widely used abroad for anti-corrosion and scale removal, metal cleaning and maintenance, etc., especially for anti-corrosion and anti-rust in high-temperature steam environments, and is also widely used in the field of boiler maintenance for scale removal. Due to the chemical properties of morpholine, it has become one of the fine petrochemical products with important commercial use, and has a wide range of uses.
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