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Maltol

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Identification
Molecular formula
C6H6O3
CAS number
118-71-8
IUPAC name
3-hydroxy-2-methyl-pyran-4-one
State
State

At room temperature, maltol is a solid.

Melting point (Celsius)
160.00
Melting point (Kelvin)
433.00
Boiling point (Celsius)
278.00
Boiling point (Kelvin)
551.00
General information
Molecular weight
126.11g/mol
Molar mass
126.1110g/mol
Density
1.3490g/cm3
Appearence

Maltol is a white crystalline powder that is easily recognizable by its sweet scent reminiscent of caramelized sugar or candy floss.

Comment on solubility

Solubility of 3-hydroxy-2-methyl-pyran-4-one

3-hydroxy-2-methyl-pyran-4-one, a compound known for its unique structural characteristics, exhibits intriguing solubility properties that are influenced by its functional groups and molecular arrangement.

Here are some notable points regarding its solubility:

  • Solvent Compatibility: This compound is generally soluble in polar solvents such as water and ethanol. The presence of the hydroxyl group (-OH) contributes to its ability to interact favorably with polar solvent molecules.
  • Temperature Effects: Increased temperatures often enhance solubility for many organic compounds, and 3-hydroxy-2-methyl-pyran-4-one is no exception. Higher temperatures can facilitate the solvation process.
  • pH Influence: The solubility can also be affected by the pH of the medium. This is particularly relevant for compounds with acidic or basic functional groups, which can change their ionization state and, consequently, their solubility.
  • Precipitation Conditions: Under certain conditions, such as lower temperatures or specific solvent environments, this compound may precipitate from solution, indicating its solubility limits.

In summary, the solubility of 3-hydroxy-2-methyl-pyran-4-one showcases the importance of molecular structure and environmental conditions. Understanding these factors is crucial for applications in fields such as pharmaceuticals and organic chemistry, where solubility plays a key role in the efficacy and delivery of compounds.

Interesting facts

Interesting Facts about 3-Hydroxy-2-Methyl-Pyran-4-One

3-Hydroxy-2-methyl-pyran-4-one, often referred to as a type of coumarin, is a fascinating organic compound that has garnered significant attention in various fields of research. Here are some interesting highlights:

  • Nutraceutical Potential: This compound has shown promise in the realm of health and nutrition. Its antioxidant properties are of particular interest, as they help in combating oxidative stress in biological systems.
  • Flavors and Fragrances: 3-Hydroxy-2-methyl-pyran-4-one contributes notable flavor and aroma characteristics, making it a popular compound in the food industry for enhancing taste profiles in various products.
  • Biological Activity: Research has indicated that compounds in the pyranone family can possess diverse biological activities including anti-inflammatory and antimicrobial effects. This makes 3-hydroxy-2-methyl-pyran-4-one a subject of interest in pharmaceutical research.
  • Natural Occurrence: This compound is often found in nature, particularly in certain plants where it can play a role in the plant's defense mechanisms. This encourages studies focused on bioprospecting for new natural compounds.
  • Applications in Organic Synthesis: Due to its unique chemical structure, it serves as a versatile intermediate in organic synthesis, with applications in developing complex molecules in medicinal chemistry.

As scientists continue to explore the properties and potential applications of 3-hydroxy-2-methyl-pyran-4-one, it becomes increasingly clear that this compound holds significance far beyond its simple formula, playing vital roles in health, nutrition, and synthetic chemistry.

Synonyms
MALTOL
118-71-8
3-Hydroxy-2-methyl-4-pyrone
3-Hydroxy-2-methyl-4H-pyran-4-one
Larixinic acid
Palatone
Talmon
Larixic acid
Vetol
Veltol
Corps praline
4H-Pyran-4-one, 3-hydroxy-2-methyl-
3-hydroxy-2-methylpyran-4-one
2-Methyl pyromeconic acid
2-Methylpyromeconic acid
2-Methyl-3-hydroxypyrone
2-Methyl-3-hydroxy-4-pyrone
Maltol (natural)
3-Hydroxy-2-methyl-gamma-pyrone
2-Methyl-3-oxy-gamma-pyrone
FEMA No. 2656
MFCD00006578
3-Hydroxy-2-methylpyrone
3-Hydroxy-2-methyl-pyran-4-one
Maltol [NF]
NSC 2829
CCRIS 3467
Ins no.636
NSC-2829
EINECS 204-271-8
Ins-636
UNII-3A9RD92BS4
NSC-404458
BRN 0112169
3A9RD92BS4
2-methyl-3-hydroxy-4-pyranone
3-Hydroxy-2-methyl-4-pyranone
DTXSID0025523
CHEBI:69438
AI3-18547
NSC2829
3-Hydroxy-2-methyl-1,4-pyrone
MALTOL [FHFI]
MALTOL [FCC]
3-Hydroxy-2-methyl-.gamma.-pyrone
MALTOL [II]
MALTOL [MI]
MALTOL [USP-RS]
MALTOL [MART.]
MLS000069412
DTXCID305523
E-636
HSDB 8320
5-18-01-00114 (Beilstein Handbook Reference)
2-methyl-3-hydroxy-4H-pyran-4-one
5-Hydroxy-6-methyl-4H-pyran-4-one
Maltol (3-Hydroxy-2-methyl-4-pyrone)
E636
SMR000059093
MALTOL (USP-RS)
MALTOL (II)
MALTOL (MART.)
WLN: T6O DVJ B1 CQ
CAS-118-71-8
methyl maltol
Laricinic acid
Laxarinic Acid
Maltol (Standard)
3-Hydroxy-2-methyl-4-pyrone; 3-Hydroxy-2-methyl-pyran-4-one; Maltol; Deferiprone Impurity B
2Methyl3hydroxypyrone
2Methyl3oxygammapyrone
2Methyl3hydroxy4pyrone
2Methylpyromeconic acid
3Hydroxy2methyl4pyrone
Spectrum_001419
Opera_ID_338
SpecPlus_000443
2Methyl pyromeconic acid
2Methyl3hydroxypyran4one
3Hydroxy2methyl4pyranone
MALTOL [INCI]
Spectrum2_001795
Spectrum3_001351
Spectrum4_001871
Spectrum5_000462
3Hydroxy2methylgammapyrone
bmse000538
3Hydroxy2methyl4Hpyran4one
Maltol, analytical standard
SCHEMBL4815
3-Hydroxy-2-pyran-4-one
BSPBio_003161
KBioGR_002365
KBioSS_001899
SPECTRUM310025
MLS001424145
MLS002415738
3-Hydroxy-2-methyl-g-pyrone
CHEMBL31422
DivK1c_006539
3-hydroxy-2-methylpyr-4-one
4HPyran4one, 3hydroxy2methyl
SPBio_001749
INS No. 636
QSPL 180
2-methyl-3-hydroxypyran-4-one
2-Methyl-3-oxy-.gamma.-pyrone
3-hydroxy-2-methyl-4-oxopyrane
3-hydroxyl-2-methyl-4-pyranone
FEMA 2656
KBio1_001483
KBio2_001899
KBio2_004467
KBio2_007035
KBio3_002381
XPCTZQVDEJYUGT-UHFFFAOYSA-
3-hydroxy-2-methyl-gamma -pyrone
HMS2052K09
HMS3394K09
KUC106764N
HY-W012788R
STR01642
Tox21_202215
Tox21_300118
BBL011669
BDBM50227434
CCG-38443
Maltol, natural, >=98.5%, FG
NSC404458
s4940
STK801686
Maltol, >=99.0%, FCC, FG
3-Hydroxy-2-methyl-4-pyrone, 99%
AKOS005607790
CS-W013504
FM04338
HY-W012788
NC00350
PS-4578
SDCCGMLS-0066563.P001
NCGC00091223-01
NCGC00091223-02
NCGC00091223-03
NCGC00091223-04
NCGC00091223-05
NCGC00178231-01
NCGC00254046-01
NCGC00259764-01
BP-11468
KSC-11-228-8
NCI60_002320
SY011358
DB-002512
M0673
NS00012803
EN300-93557
Q420648
SR-01000712383
SR-01000712383-3
BRD-K40619305-001-12-1
Flavor and Extract Manufacturers' Association No. 2656
Z1255382969
Maltol, United States Pharmacopeia (USP) Reference Standard
InChI=1/C6H6O3/c1-4-6(8)5(7)2-3-9-4/h2-3,8H,1H3
204-271-8