Some Explanation About Acetic Acid Lipid Cholesterol

Item Name: Acetic acid lipid cholesterol

CAS Number: 604-35-3
Molecular Formula: C29H48O2
MW: 428.69
Melting point 112-114 ° C (lit.)
Specific Rotation -44 ? (c = 2, CHCl3
Use: bio-pharmaceuticals.

In solid acetic acid, the molecules form pairs (dimers), being connected by hydrogen bonds. The dimers can also be detected in the vapour at 120 °C (248 °F). Dimers also occur in the liquid phase in dilute solutions in non-hydrogen-bonding solvents, and a certain extent in pure acetic acid, but are disrupted by hydrogen-bonding solvents. The dissociation enthalpy of the dimer is estimated at 65.0–66.0 kJ/mol, and the dissociation entropy at 154–157 J mol−1 K−1. This dimerisation behaviour is shared by other lower carboxylic acids.

Lipids constitute a broad group of naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins (such as vitamins A, D, E, and K), monoglycerides, diglycerides, triglycerides, phospholipids, and others. The main biological functions of lipids include energy storage, as structural components of cell membranes, and as important signaling molecules.

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