Product Name
Palmitic Acid, FCC
Category
Pressure & Heat Sensitive Recording Materials
Description
DryPowder; Liquid; OtherSolid; OtherSolid, Liquid; PelletsLargeCrystals; PelletsLargeCrystals, OtherSolid;OtherSolid;Solid;Solid;COLOURLESS OR WHITE CRYSTALS.;hard, white or faintly yellowish crystalline solid
IUPAC Name
hexadecanoic acid
Molecular Weight
256.42g/mol
Molecular Formula
C16H32O2;C16H32O2
Canonical SMILES
CCCCCCCCCCCCCCCC(=O)O
InChI
InChI=1S/C16H32O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16(17)18/h2-15H2,1H3,(H,17,18)
InChI Key
IPCSVZSSVZVIGE-UHFFFAOYSA-N
Boiling Point
351.5 °C;351.5 °C;351-352 °C
Melting Point
61.8 °C;Mp 63-64 °;62.49 °C;61.8°C;63 °C
Density
Relative density (water = 1): 0.85
Solubility
1.56e-07 M;4e-05 mg/mL at 25 °C;In water, 0.04 mg/L at 25 °C;Insoluble in water;Soluble in hot alcohol and ether;Soluble in ethanol, acetone, benzene; very soluble in chloroform; miscible with ethyl ether;Soluble in aromatic, chlorinated and oxygenated solvents;4e-05 mg/mL;Solubility in water: none;practically insoluble in water; soluble in alcohol, ether, chloroform
Application
Palmitic Acid, FCC, serves a versatile role across various industries due to its properties as a saturated fatty acid with a 16-carbon backbone. Predominantly found in palm oil, as well as in butter, cheese, milk, and meat, it is a principal component of a mixture of solid organic acids primarily composed of palmitic acid with varying amounts of stearic acid. In industrial applications, it acts as a lubricant, binder, and defoaming agent, and is widely employed in the production of soaps and cosmetics. The saponification of palm oil with sodium hydroxide produces sodium palmitate, a component often found in processed foods for its textural benefits. Beyond its use in food and beauty products, palmitic acid is also utilized in the production of cetyl alcohol, contributing to the formulation of detergents. Additionally, its utility extends to the pharmaceutical realm, where it is involved in oral and topical formulations, as well as in the development of sustained-release drug delivery systems. Notably, it plays a crucial role in the synthesis of paliperidone palmitate, a long-acting antipsychotic medication used to treat schizophrenia, by serving as a carrier medium for intramuscular injections.
Color/Form
White crystalline scales;White crystalline needles;Needles from alcohol;Hard, white, or faintly yellowish, somewhat glossy crystalline solid, or as a white yellowish powder
Covalently-Bonded Unit Count
1
EC Number
200-312-9;266-926-4
Heat of Vaporization
96.28 kJ/mole at 200 °C
Log P
7.17 (LogP);7.17;log Kow = 7.17;7.17;5.31
MeSH Entry Terms
Acid, Hexadecanoic;Acid, Palmitic;Calcium Palmitate;Hexadecanoic Acid;Palmitate, Calcium;Palmitate, Sodium;Palmitic Acid;Sodium Palmitate
Monoisotopic Mass
256.24023g/mol
Odor
Virtually odorless; slight characteristic odor
Other Experimental
Saturated fatty acid;Density: 0.8527 g/cu cm at 62 °C;Hydroxyl radical reaction rate constant = 2.0X10-11 cu cm/molec-sec at 25 °C (est)
Refractive Index
Index of refraction: 1.4309 at 70 °C;Index of refraction: 1.4335 at 60 °C
Stability
Stable under recommended storage conditions.
Vapor Pressure
3.80e-07 mmHg;3.8X10-7 mm Hg at 25 °C;Vapor pressure, Pa at 154 °C: 133
Viscosity
7.80 mPa.sec (cP) at 70 °C