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Pelargonic acid

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Identification
Molecular formula
C9H18O2
CAS number
112-05-0
IUPAC name
nonanoic acid
State
State

At room temperature, nonanoic acid is typically a liquid due to its relatively low melting point of 12.5°C. It exists in an oily liquid state, which is a common characteristic of medium-chain fatty acids.

Melting point (Celsius)
12.50
Melting point (Kelvin)
285.70
Boiling point (Celsius)
254.00
Boiling point (Kelvin)
527.00
General information
Molecular weight
158.24g/mol
Molar mass
158.2380g/mol
Density
0.9040g/cm3
Appearence

Nonanoic acid, also known as pelargonic acid, is a colorless, oily liquid. It has a slightly unpleasant, rancid odor reminiscent of old butter. The compound is often handled in liquid form and, like many other fatty acids, it appears oily and viscous.

Comment on solubility

Solubility of Nonanoic Acid

Nonanoic acid, with the chemical formula C9H18O2, exhibits unique solubility characteristics that are worthy of exploration.

General Solubility Traits

As a fatty acid, nonanoic acid demonstrates varying solubility depending on the solvent:

  • Soluble in organic solvents: Nonanoic acid is highly soluble in non-polar organic solvents such as hexane and diethyl ether.
  • Poor solubility in water: In contrast, its solubility in water is limited, primarily due to its long hydrocarbon chain which reduces interactions with polar water molecules.

Factors Influencing Solubility

The solubility of nonanoic acid can be influenced by several factors:

  • Temperature: As temperature increases, the solubility in both water and organic solvents tends to improve.
  • Chain Length: Longer fatty acids typically exhibit lower solubility in water compared to shorter-chain acids, highlighting a trend in the solubility of carboxylic acids.
  • pH Level: Nonanoic acid can undergo ionization in basic conditions, leading to an increase in its solubility in water.

In summary, nonanoic acid presents a fascinating case study in solubility. Understanding these properties not only aids in practical applications but also provides insights into broader chemical behaviors.

Interesting facts

Interesting Facts About Nonanoic Acid

Nonanoic acid, also known as pelargonic acid, is a fascinating fatty acid that plays a significant role in various applications and industries. Here are some intriguing points to consider:

  • Structure and Classification: Nonanoic acid is classified as a straight-chain saturated fatty acid with a nine-carbon backbone. Its molecular structure has a carboxylic acid functional group, which is responsible for many of its properties.
  • Natural Occurrence: This compound can be found in various natural sources, including the oils derived from Pelargonium species, which gives it its alternative name. It occurs in small quantities in certain animal fats and plant oils.
  • Applications: Nonanoic acid is used in a variety of industries, including:
    • Production of surfactants and emulsifiers.
    • As a flavoring agent in the food industry.
    • In the formulation of personal care products.
  • Biological Significance: Some studies have suggested that nonanoic acid exhibits antimicrobial properties, making it a potential candidate for natural preservatives and antibacterial agents.
  • Environmental Impact: Nonanoic acid is biodegradable, which makes it an environmentally friendly option compared to synthetic chemicals. Its presence in nature and capacity for breakdown are favorable attributes in ecological contexts.

To sum it up, nonanoic acid stands out due to its versatile applications and natural occurrence. As researchers continue to explore this compound, it holds promise for innovative uses in numerous fields. As one chemist noted, "Understanding the properties of fatty acids like nonanoic acid can pave the way for sustainable alternatives in various industries."

Synonyms
NONANOIC ACID
Pelargonic acid
112-05-0
n-Nonanoic acid
Nonoic acid
Nonylic acid
Pelargic acid
1-Octanecarboxylic acid
n-Nonylic acid
n-Nonoic acid
Pelargon
Nonanoate
Cirrasol 185A
Hexacid C-9
Emfac 1202
1-Octanecarboxyic acid
1-nonanoic acid
MFCD00004433
NSC 62787
FEMA No. 2784
Nonansaeure
Pelargonsaeure
pergonic acid
n-Pelargonate
CHEBI:29019
HSDB 5554
n-Nonylate
n-Nonoate
EINECS 203-931-2
nonoate
EPA Pesticide Chemical Code 217500
Nonanoic Acid Anion
UNII-97SEH7577T
BRN 1752351
GRANTRICO
THINEX
DTXSID3021641
AI3-04164
Emery's L-114
Emery 1202
Emery 1203
octane-1-carboxylic acid
NSC-62787
NONANOIC ACID [FCC]
Emery 1202 (Salt/Mix)
NONANOIC ACID [FHFI]
NONANOIC ACID [HSDB]
PELARGONIC ACID [MI]
CH3-[CH2]7-COOH
DTXCID901641
EC 203-931-2
97SEH7577T
pergonate
4-02-00-01018 (Beilstein Handbook Reference)
NSC62787
n-nonanoate
FA 9:0
NSC-65450
NSC-65455
1-nonanoate
C9:0
1-octanecarboxylate
Pelargon [Russian]
CAS-112-05-0
nNonanoic acid
nNonylic acid
nNonoic acid
n-pelargonic acid
Hexacid C9
KNA
EINECS 273-086-2
Acid C9
PELARGONICACID
1Octanecarboxylic acid
Nonanoic acid, 96%
3sz1
1-Octane carboxlic acid
Nonanoic acid, ?99%
Nonanoic acid (Standard)
Nonanoic acid, >=97%
bmse000499
EC 273-086-2
WLN: QV8
NCIOpen2_000142
NCIOpen2_000179
NCIOpen2_001763
NCIOpen2_002882
NCIOpen2_003483
SCHEMBL21966
MLS001066339
PELARGONIC ACID [INCI]
CHEMBL108436
Nonanoic acid, >=96%, FG
QSPL 030
HY-N7057R
DTXCID20127107
HMS2269L08
Nonanoic acid, analytical standard
HY-N7057
Nonanoic acid, natural, 98%, FG
NONANOIC ACID MFC9 H18 O2
Tox21_202426
Tox21_300022
BBL027459
BDBM50556776
LMFA01010009
s4949
STL372710
AKOS000118981
NONANOIC ACID MFC9 H18 O2
CCG-231471
FA(9:0)
FN34493
USEPA/OPP Pesticide Code: 217500
NCGC00164328-01
NCGC00164328-02
NCGC00164328-03
NCGC00253958-01
NCGC00259975-01
Pelargonic acid; 1-Octanecarboxylic acid
BP-27910
DA-76248
SMR000112203
VS-08541
CS-0076036
N0288
NS00009752
P0952
EN300-19260
C01601
Q369777
F0001-2447
Z104473336
F57B4D17-8824-403B-AE1B-FA425608BB39