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Substance Name: Palmitic acid [USAN:NF]
RN: 57-10-3
UNII: 2V16EO95H1
InChIKey: IPCSVZSSVZVIGE-UHFFFAOYSA-N

Note

  • A common saturated fatty acid found in fats and waxes including olive oil, palm oil, and body lipids.

Molecular Formula

  • C16-H32-O2

Molecular Weight

  • 256.4268
 

Classification Codes

  • Enzyme Inhibitors
  • Ingredient in a Diagnostic Aid (Ultrasound Contrast Medium)
  • Natural Product
  • Skin / Eye Irritant
  • TSCA Flag TP (Subject to the Proposed TSCA Section 4 Test Rule)
  • Tumor Data

Names and Synonyms

Name of Substance

  • n-Hexadecanoic acid
  • Palmitic acid
  • Palmitic acid [USAN:NF]

MeSH Heading

  • Palmitic acid

Synonyms

  • 1-Pentadecanecarboxylic acid
  • 4-02-00-01157 (Beilstein Handbook Reference)
  • AI3-01594
  • BRN 0607489
  • C16 fatty acid
  • CCRIS 5443
  • Cetylic acid
  • EC 200-312-9
  • EINECS 200-312-9
  • Emersol 140
  • Emersol 143
  • FEMA No. 2832
  • Hexadecanoic acid
  • Hexadecylic acid
  • HSDB 5001
  • Hydrofol
  • Hystrene 8016
  • Hystrene 9016
  • Industrene 4516
  • n-Hexadecanoic acid
  • n-Hexadecoic acid
  • NSC 5030
  • Palmitate
  • Palmitic acid
  • Palmitic acid (natural)
  • Palmitic acid 95%
  • Pentadecanecarboxylic acid
  • UNII-2V16EO95H1

Systematic Names

  • Hexadecanoic acid
  • Palmitic acid
  • Palmitic acid, pure

Superlist Names

  • Hexadecanoic acid
  • Palmitic acid

Registry Numbers

CAS Registry Number

  • 57-10-3

FDA UNII

  • 2V16EO95H1

Other Registry Numbers

  • 116860-99-2
  • 212625-86-0
  • 60605-23-4
  • 66321-94-6

System Generated Number

  • 0000057103

Structure Descriptors

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)

InChIKey

IPCSVZSSVZVIGE-UHFFFAOYSA-N

Smiles

C(CCCCCCCCCC)CCCCC(=O)O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intravenous 57mg/kg (57mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD Acta Pharmacologica et Toxicologica. Vol. 18, Pg. 141, 1961.
rat LD50 oral > 10gm/kg (10000mg/kg)   American Industrial Hygiene Association Journal. Vol. 37, Pg. 251, 1976.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 61.8 deg C   EXP
Boiling Point 351.5 deg C   EXP
log P (octanol-water) 7.17 (none)   EXP
Water Solubility 0.04 mg/L 25 EXP
Henry's Law Constant 2.00E-05 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 1.97E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.