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Documenti fondamentali

27734

Sigma-Aldrich

Palmitic acid

≥98% palmitic acid basis (GC)

Sinonimo/i:

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

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About This Item

Formula condensata:
CH3(CH2)14COOH
Numero CAS:
Peso molecolare:
256.42
Beilstein:
607489
Numero CE:
Numero MDL:
Codice UNSPSC:
12352100
ID PubChem:
NACRES:
NA.21

Tensione di vapore

10 mmHg ( 210 °C)

Saggio

≥98% palmitic acid basis (GC)

Stato

flakes
powder or crystals

tecniche

gas chromatography (GC): suitable
thin layer chromatography (TLC): suitable

Impurezze

≤1% stearic acid (GC)

P. ebollizione

271.5 °C/100 mmHg (lit.)

Punto di fusione

61-62.5 °C (lit.)
62-65 °C

Indice di acido

≤240

Indice di iodio

≤0.5

Indice di saponificazione

≤240

Densità

0.852 g/mL at 25 °C (lit.)

Gruppo funzionale

carboxylic acid

Stringa SMILE

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)
IPCSVZSSVZVIGE-UHFFFAOYSA-N

Informazioni sul gene

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Descrizione generale

Palmiticacid (C16:0) is a saturated fatty acid commonly found in various naturalsources, such as animal fats and plant oils.

Applicazioni

Palmitic acid may be employed in the preparation of palmitic anhydride, via reaction with dicyclohexylcarbodiimide (DCC) in carbon tetrachloride. It undergoes deoxygenation in the presence of 4%wt Pd/C mesoporous catalyst at 300°C and pressure of 17bar of 5% H2 in argon. Aliphatic chain length hydrocarbons containing one less carbon than the corresponding acid were obtained as major products.

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

nwg

Punto d’infiammabilità (°F)

235.4 °F

Punto d’infiammabilità (°C)

113 °C

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves


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Catalytic deoxygenation of stearic acid and palmitic acid in semibatch mode.
Lestari S, et al.
Catalysis Letters, 130(1-2), 48-51 (2009)
Z Selinger et al.
Journal of lipid research, 7(1), 174-175 (1966-01-01)
A simple method is described for the preparation of caprylic, palmitic, stearic, and oleic anhydrides. Reaction of the free fatty acid and dicyclohexylcarbodiimide in carbon tetrachloride at room temperature gives the corresponding anhydrides in high yield (87-94%).
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Cell reports, 33(3), 108278-108278 (2020-10-22)
Dendritic cells (DCs) orchestrate the initiation, programming, and regulation of anti-tumor immune responses. Emerging evidence indicates that the tumor microenvironment (TME) induces immune dysfunctional tumor-infiltrating DCs (TIDCs), characterized with both increased intracellular lipid content and mitochondrial respiration. The underlying mechanism
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
B Vessby et al.
Diabetologia, 37(10), 1044-1050 (1994-10-01)
Recent data indicate that peripheral insulin sensitivity may be influenced by dietary fat quality and skeletal muscle phospholipid fatty acid composition. During a health survey of 70-year-old men insulin sensitivity was measured by the euglycaemic hyperinsulinaemic clamp technique and the

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