CAS number
118-71-8

Molecular formula
C6H6O3

SMILES
CC1=C(C(=O)C=CO1)O

Retention indicies (RI)

• DB5: 1109.5
• Carbowax: 2030.0

sweet	90.37%
fruity	89.16%
caramellic	87.31%
strawberry	61.5%
burnt	58.38%
berry	54.99%
tropical	34.85%
coffee	27.27%
vanilla	25.92%
pineapple	24.31%

Scent© AI

XLogP3-AA
0.4 Well soluble in MMB, TEC, IAA

Molecular weight
126.11 g/mol

Vapor pressure est.

• 0.0014 hPa @ 20°C
• 0.0025 hPa @ 25°C

Evaporation rate
Very slow

Melting points

• 324 to 327 °F (NTP, 1992)
• 161.5 °C
• 161 - 162 °C

Boiling points

• 199 °F at 760 mmHg (Sublimes) (NTP, 1992)
• Sublimes at 93 °C

Solubilities

• 1 to 10 mg/mL at 72 °F (NTP, 1992)
• In water, 10900 mg/L at 15 °C
• One gram dissolves in 82 mL water, 80 mL glycerin, 21 mL alcohol, 28 mL propylene glycol; Freely soluble in hot water, chloroform; sparingly soluble in benzene, ether, petroleum ether; soluble in alkali hydroxides giving yellow solutions
• 10.9 mg/mL at 15 °C
• Sparingly soluble in water, soluble in propylene glycol
• Soluble (in ethanol)

• 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
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