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W283215

Sigma-Aldrich

Palmitic acid

natural, 98%, FG

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Synonym(s):
1-Pentadecanecarboxylic acid, C16:0, Cetylic acid, Hexadecanoic acid, NSC 5030, PamOH
Linear Formula:
CH3(CH2)14COOH
CAS Number:
Molecular Weight:
256.42
FEMA Number:
2832
Beilstein:
607489
EC Number:
Council of Europe no.:
14
MDL number:
PubChem Substance ID:
Flavis number:
8.014
NACRES:
NA.21

grade

FG
Fragrance grade
Halal
Kosher
natural

Quality Level

Agency

follows IFRA guidelines
meets purity specifications of JECFA

reg. compliance

EU Regulation 1223/2009
EU Regulation 1334/2008 & 178/2002
FDA 21 CFR 172.210
FDA 21 CFR 172.860
FDA 21 CFR 173.340

vapor pressure

10 mmHg ( 210 °C)

Assay

98%

form

crystals or chunks

bp

271.5 °C/100 mmHg (lit.)

mp

61-62.5 °C (lit.)

solubility

water: 0.00005 g/L at 20 °C

density

0.852 g/mL at 25 °C (lit.)

cation traces

As: ≤3 ppm
Cd: ≤1 ppm
Hg: ≤1 ppm
Pb: ≤10 ppm

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

fragrance allergen

no known allergens

Organoleptic

faint; fatty

SMILES string

CCCCCCCCCCCCCCCC(O)=O

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

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General description

Palmitic acid is the main constituent of human milk fatty acids. It is also found in sea weeds and air-dried fruit of Cornus officinalis.

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

235.4 °F

Flash Point(C)

113 °C


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Distribution of an enzyme system producing seaweed flavor: conversion of fatty acids to long-chain aldehydes in seaweeds.
Kajiwara T, et al.
Journal of Applied Phycology, 5(2), 225-230 (1993)
Volatile flavor components of corni fructus (Cornus officinalis Sieb. Et Zucc.).
Miyazawa M & Kameoka H.
Agricultural and Biological Chemistry, 53(12), 3337-3340 (1989)
Evidence that palmitic acid is absorbed assn-2 monoacylglycerol from human milk by breast-fed infants.
Innis SM, et al.
Lipids, 29(8), 541-545 (1994)
Jonas Sieber et al.
The American journal of pathology, 183(3), 735-744 (2013-07-23)
Type 2 diabetes mellitus is characterized by dyslipidemia with elevated free fatty acids (FFAs). Loss of podocytes is a hallmark of diabetic nephropathy, and podocytes are highly susceptible to saturated FFAs but not to protective, monounsaturated FFAs. We report that
Sanja Blaskovic et al.
The FEBS journal, 280(12), 2766-2774 (2013-04-05)
S-palmitoylation is post-translational modification, which consists in the addition of a C16 acyl chain to cytosolic cysteines and which is unique amongst lipid modifications in that it is reversible. It can thus, like phosphorylation or ubiquitination, act as a switch.

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