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Heptan-2-one

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Identification
Molecular formula
C7H14O
CAS number
110-43-0
IUPAC name
heptan-2-one
State
State

Heptan-2-one is a liquid at room temperature, noted for its strong, pleasant odor and its use in the fragrance and flavor industries.

Melting point (Celsius)
-35.00
Melting point (Kelvin)
238.20
Boiling point (Celsius)
151.20
Boiling point (Kelvin)
424.30
General information
Molecular weight
114.19g/mol
Molar mass
114.1860g/mol
Density
0.8182g/cm3
Appearence

Heptan-2-one, commonly known as methyl amyl ketone, is a colorless to pale yellow liquid. It possesses a characteristic odor reminiscent of fruit or acetone. This ketone is often found in small quantities in various foods and drinks contributing to their aroma.

Comment on solubility

Solubility of Heptan-2-one

Heptan-2-one, also known as 2-heptanone, is an organic compound characterized by its ketone functional group and a seven-carbon chain. When it comes to solubility, several factors are at play:

  • Polarity: Heptan-2-one is a polar molecule due to the presence of the carbonyl group (C=O). This polarity influences its interactions with other substances.
  • Solvent Compatibility: Heptan-2-one is soluble in many organic solvents, particularly ethanol, ether, and some hydrocarbons. This attribute is welcomed in various applications, such as in extraction and synthesis processes.
  • Water Solubility: Although heptan-2-one exhibits limited solubility in water—typically around 0.5 g/100 mL at room temperature—its polar nature allows for minimal interactions with water molecules.

In summary, heptan-2-one showcases moderate solubility in organic solvents while remaining sparingly soluble in water. This balance of solubility highlights the importance of understanding the chemical behaviors in various solvents for practical applications.

Interesting facts

Interesting Facts about Heptan-2-one

Heptan-2-one, a member of the ketone family, holds fascinating properties and applications that make it significant in both industrial and laboratory settings. Here are some interesting insights about this compound:

  • Structural Formula: Heptan-2-one features a unique carbon backbone consisting of seven carbon atoms, with a ketone functional group located at the second carbon. This structural arrangement contributes to its distinctive physical and chemical characteristics.
  • Odor and Flavor Profile: One of the notable attributes of heptan-2-one is its fruity and sweet aroma. This scent can evoke associations with ripe fruits, making it useful in the food and fragrance industries.
  • Synthesis and Reaction: Heptan-2-one can be synthesized through various methods, such as the oxidation of heptanol or via the aldol reaction. Its reactivity makes it an important intermediate in organic synthesis processes.
  • Applications: Heptan-2-one is not just a laboratory curiosity. It finds its value in diverse applications, including:
    • Solvent in paint and coatings.
    • Intermediate in the production of other organic compounds.
    • Potential use in the manufacture of pharmaceuticals.
  • Health and Safety: While heptan-2-one has useful applications, safety precautions are necessary when handling it. It is advisable to use it in well-ventilated areas and with appropriate personal protective equipment (PPE) to avoid irritation.

In conclusion, heptan-2-one is a versatile compound with interesting chemical properties and a variety of applications that underscore the diversity and utility of ketones in the field of chemistry. Its sweet aroma and functional capabilities make it a compound worth exploring for chemists and industrialists alike.

Synonyms
2-HEPTANONE
Heptan-2-one
110-43-0
Methyl pentyl ketone
Butylacetone
Amyl methyl ketone
Methyl amyl ketone
Methyl n-amyl ketone
n-Amyl methyl ketone
n-Pentyl methyl ketone
Pentyl methyl ketone
Methyl n-pentyl ketone
Heptanone
Ketone, methyl pentyl
Amyl-methyl-cetone
Methyl-amyl-cetone
Ketone C-7
Methyl-n-amylketone
2-Heptanone (natural)
FEMA No. 2544
FEMA Number 2544
NSC 7313
HSDB 1122
1-Methylhexanal
2-Ketoheptane
2-Oxoheptane
EINECS 203-767-1
UNII-89VVP1B008
BRN 1699063
CCRIS 8809
CHEBI:5672
DTXSID5021916
AI3-01230
89VVP1B008
NSC-7313
CHEMBL18893
DTXCID601916
EC 203-767-1
4-01-00-03318 (Beilstein Handbook Reference)
Amyl-methyl-cetone [French]
Methyl-amyl-cetone [French]
CAS-110-43-0
methyl-n-amyl ketone
Methyl (n-amyl) ketone
UN1110
methylamyl ketone
heptanone-2
methylpentylketone
2-heptanal
MnAK
MFCD00009513
2-Heptanone, 98%
2-Heptanone, 99%
2-HEPTANONE [MI]
n-C5H11COCH3
2-HEPTANONE [FCC]
2-HEPTANONE [FHFI]
2-HEPTANONE [HSDB]
SCHEMBL29364
2-heptanone_GurudeebanSatyavani
SCHEMBL1122991
WLN: 5V1
2-Heptanone, analytical standard
NSC7313
2-Heptanone, natural, 98%, FG
ZAA58856
Tox21_202164
Tox21_302935
BBL011381
BDBM50028842
LMFA12000004
STL146482
2-Heptanone, >=98%, FCC, FG
AKOS000120708
FM01213
UN 1110
NCGC00249180-01
NCGC00256611-01
NCGC00259713-01
VS-02935
H0037
NS00007136
EN300-21047
C08380
G84027
A802193
Q517266
n-Amyl methyl ketone [UN1110] [Flammable liquid]
InChI=1/C7H14O/c1-3-4-5-6-7(2)8/h3-6H2,1-2H
203-767-1