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2-(Isopropylamino)ethanol (HO-CH₂-CH₂-NH-CH(CH₃)₂) is a secondary amine compound. It's primarily used as a key chemical intermediate to produce imidazoline-based surfactants. These surfactants are valued for their mildness and foam stability, making them common in personal care products (shampoos, body washes) and household/industrial cleaners. It also serves as a corrosion inhibitor, especially in oilfield acidizing fluids and water treatment. This colorless to pale yellow liquid is highly basic, corrosive, and requires careful handling (causes skin/eye burns).
2-(Isopropylamino)ethanol (also known as MIPA or N-(1-Methylethyl)-2-aminoethanol) is an organic compound with the chemical formula HO-CH₂-CH₂-NH-CH(CH₃)₂.
Here are its key characteristics and uses:
Structure: It consists of an ethanolamine backbone (HO-CH₂-CH₂-NH₂) where one hydrogen atom on the nitrogen is replaced by an isopropyl group (-CH(CH₃)₂). This makes it a secondary amine.
Properties: It is typically a colorless to pale yellow liquid. It's hygroscopic (absorbs moisture) and has a strong amine odor. It is basic due to the amine group and miscible with water and many organic solvents.
Primary Uses:
Surfactant Intermediate: Its main industrial use is as a key precursor in the manufacture of imidazoline-based surfactants and amphoterics. These surfactants are valued for their mildness, foam stability, and conditioning properties, used in personal care products (shampoos, body washes), household cleaners, and industrial applications.
Corrosion Inhibitor: Used in formulations to protect metals, particularly in oilfield applications (acidizing fluids) and industrial water treatment.
Chemical Intermediate: Serves as a building block for synthesizing various other chemicals, including pharmaceuticals, agrochemicals, and rubber chemicals.
Gas Treating: Sometimes used as a component in solutions for removing acidic gases (like CO₂ and H₂S) from natural gas streams.
Safety: It is corrosive and can cause severe skin burns and eye damage. It is also harmful if swallowed or inhaled. Proper handling (gloves, goggles, ventilation) is essential.
In short: MIPA is primarily an important chemical intermediate used to make mild surfactants for personal care and cleaning products, and as a corrosion inhibitor. It is a basic, corrosive liquid.
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