2-Methyl-1-butanol, commonly referred to as active amyl alcohol, is a branched-chain primary alcohol with the molecular formula C5H12O. It is one of the isomers of amyl alcohol and is characterized by its chiral center at the second carbon atom, which renders it optically active. Naturally occurring as a byproduct of fermentation (fusel oil), this colorless liquid exhibits a characteristic pungent aroma. It serves as a vital intermediate in the synthesis of various chemical derivatives, including esters, plasticizers, and fuel additives. Its unique molecular structure provides distinct physical properties compared to its linear counterparts, such as n-pentanol. In industrial settings, it is valued for its solvent capabilities and its role as a precursor in the production of high-purity specialty chemicals. The compound is flammable and requires careful handling according to standard safety protocols. Its versatility across the fragrance, pharmaceutical, and polymer industries makes it a fundamental building block in modern organic synthesis and industrial manufacturing processes.
– High Purity Profile: Available in technical and high-purity grades suitable for sensitive chemical synthesis. – Optical Activity: As a chiral molecule, it serves as a specialized building block for asymmetric synthesis and chiral intermediate production. – Excellent Solvency: Demonstrates superior solubility for resins, oils, and natural gums. – Controlled Volatility: Offers a balanced evaporation rate, making it ideal for coating and ink applications. – Low Water Solubility: Useful in extraction processes where phase separation is required. – Chemical Stability: Highly stable under standard storage conditions, ensuring a long shelf life and consistent performance in industrial formulations.
– CAS Number: 137-32-6. – Molecular Formula: C5H12O. – Molecular Weight: 88.15 g/mol. – Boiling Point: Approximately 127.5 to 129 degrees Celsius at 760 mmHg. – Flash Point: 43 degrees Celsius (closed cup), classifying it as a flammable liquid. – Density: 0.819 grams per cubic centimeter at 20 degrees Celsius. – Refractive Index: 1.406. – Appearance: Clear, colorless liquid with a characteristic odor. – Purity Levels: Typically available at 98 percent or higher for industrial use. – Chiral Center: Located at the C2 position, providing its distinctive active designation in stereochemistry. – Solubility: Slightly soluble in water; miscible with most organic solvents including ethanol and diethyl ether.
• Electrical and electronics
• Connectors, switches, PCB housings, terminal blocks
• Automotive
• Under-hood components, interior assemblies, cable conduits
• Wire and cable
• Insulation layers, sheathing, jacketing materials
• Construction
• Plastic fittings, conduits, insulation panels
• Consumer appliances
• Enclosures, adapters, plugs, casings
• Industrial components
• Fiber-reinforced composites, flame-retardant masterbatches
• Compatible polymers
• PA6, PA66
• PBT, PET
• PE, PP
• Blends and copolymers requiring halogen-free flame retardancy
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