Morpholine (C4H9NO)
also known as 1,4-oxazinane, has a molecular formula of C4H9NO and a relative molecular mass of 87.12. Here are its characteristics:
Appearance and Shape: It is a colorless liquid at room temperature, possessing hygroscopic properties and a distinctive amine odor. It can freely dissolve in water in any proportion and is easily soluble in aromatic hydrocarbons, alcohols, ketones, ethers, and organic solvents. It is slightly soluble in mineral oil and aliphatic hydrocarbons and has mild toxicity. Morpholine reacts with inorganic acids to form salts and reacts with organic acids to form salts or amides. It can undergo alkylation reactions and react with epoxides, ketones, or undergo Willgerodt reaction.
Density: 0.9994 (20/4℃)
Melting Point: -4.9℃
Boiling Point: 128℃
Flammable Temperature: 310℃
Flash Point: 35℃
Hazard Class: 8 (Corrosive liquid)
Main Technical Specifications:
ITEM | STANDARD |
1. ASSAY | 99.5MIN. |
2. BOILING POINT | 126-129DC |
3. COLOR | 10MAX. |
4. PH(5% SOLUTION) | 9.8-11.8 |
5. DENSITY | 0.999-1.002 |
6. WATER CONTENT | 0.20%MAX. |
7. APPEARANCE | Clear Colorless Liquid |
Usage:
Morpholine is primarily used in the following fields:
1.Rubber Industry: It is employed in the manufacturing of rubber accelerators (such as NOBS, OTOS, and MDS) and vulcanizing agents (like DT-DM).
2.Cleaners and Descalers: Used in cleaners and descalers to assist in the removal of dirt and deposits.
3.Rust Inhibitors and Antiscaling Agents: Serves as a component in rust inhibitors and antiscaling agents, providing protection to metal surfaces.
4.Corrosion Protection in High-Temperature Steam Environments: Morpholine finds extensive applications abroad in corrosion protection and descaling, particularly in high-temperature steam environments. It is widely used in boiler maintenance for descaling purposes.
5.Other Applications: Morpholine is utilized in a diverse range of applications such as corrosion inhibitors, optical brighteners, chemical plating solutions, antioxidants, hydrolyzing agents, initiators, developers, fruit preservatives, deodorants, brightening and polishing agents, as well as organic solvents. It is a versatile chemical with broad-ranging uses.
Morpholine's applications are continually expanding and being developed in fields like medicine, pesticides, veterinary medicine, petroleum, and the extraction of aromatic hydrocarbons in the coking process.
