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Stearic acid (first syllable pronounced either steer or stair) is the saturated fatty acid with an 18 carbon chain and has the IUPAC name octadecanoic acid. It is a waxy solid, and its chemical formula is C18H36O2, or CH3(CH2)16COOH. Its name comes from the Greek word st�©ar (genitive: st�©atos), which means tallow. The salts and esters of stearic acid are called stearates.
Properties
Molecular formula C18H36O2
Molar mass 284.48 g molâ??1
Density 0.847 g/cm3 at 70 �°C
Melting point 69.6 �°C, 343 K, 157 �°F
Boiling point 383 �°C, 656 K, 721 �°F
Refractive index (nD) 1.4299
Stearic acid (first syllable pronounced either steer or stair) is the saturated fatty acid with an 18 carbon chain and has the IUPAC name octadecanoic acid. It is a waxy solid, and its chemical formula is C18H36O2, or CH3(CH2)16COOH. Its name comes from the Greek word st�©ar (genitive: st�©atos), which means tallow. The salts and esters of stearic acid are called stearates.
Properties
Molecular formula C18H36O2
Molar mass 284.48 g molâ??1
Density 0.847 g/cm3 at 70 �°C
Melting point 69.6 �°C, 343 K, 157 �°F
Boiling point 383 �°C, 656 K, 721 �°F
Refractive index (nD) 1.4299