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W283215

Sigma-Aldrich

Palmitic acid

natural, 98%, FG

Synonym(s):

1-Pentadecanecarboxylic acid, C16:0, Cetylic acid, Hexadecanoic acid, NSC 5030, PamOH

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About This Item

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:
UNSPSC Code:
12164502
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


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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)
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.
Sabeera Bonala et al.
Molecular endocrinology (Baltimore, Md.), 27(9), 1518-1535 (2013-08-10)
Obesity is associated with insulin resistance and abnormal peripheral tissue glucose uptake. However, the mechanisms that interfere with insulin signaling and glucose uptake in human skeletal muscle during obesity are not fully characterized. Using microarray, we have identified that the

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