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Substance Name: Maltol [NF]
RN: 118-71-8
UNII: 3A9RD92BS4
InChIKey: XPCTZQVDEJYUGT-UHFFFAOYSA-N

Note

  • Found in bark of young larch trees; isolated from Passiflora incarnata; possesses depressant properties in mice; potentiates hexobarbital-induced narcosis & inhibits spontaneous motor activity.

Molecular Formula

  • C6-H6-O3

Molecular Weight

  • 126.1104
 

Classification Codes

  • Drug / Therapeutic Agent
  • Mutation Data
  • Skin / Eye Irritant
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Names and Synonyms

Name of Substance

  • Maltol
  • Maltol [NF]

Synonyms

  • 2-Methyl pyromeconic acid
  • 2-Methyl-3-hydroxy-4-pyrone
  • 2-Methyl-3-hydroxypyrone
  • 2-Methyl-3-oxy-gamma-pyrone
  • 2-Methylpyromeconic acid
  • 3-Hydroxy-2-methyl-4-pyrone
  • 3-Hydroxy-2-methyl-4H-pyran-4-one
  • 3-Hydroxy-2-methyl-gamma-pyrone
  • 4H-Pyran-4-one, 3-hydroxy-2-methyl-
  • 5-18-01-00114 (Beilstein Handbook Reference)
  • AI3-18547
  • BRN 0112169
  • CCRIS 3467
  • Corps praline
  • EINECS 204-271-8
  • FEMA No. 2656
  • HSDB 8320
  • Larixic acid
  • Larixinic acid
  • Maltol
  • Maltol (natural)
  • NSC 2829
  • Palatone
  • Talmon
  • UNII-3A9RD92BS4
  • Vetol

Systematic Names

  • 3-Hydroxy-2-methyl-4-pyrone
  • 4H-Pyran-4-one, 3-hydroxy-2-methyl-

Superlist Name

  • Maltol

Registry Numbers

CAS Registry Number

  • 118-71-8

FDA UNII

  • 3A9RD92BS4

System Generated Number

  • 0000118718

Structure Descriptors

InChI

1S/C6H6O3/c1-4-6(8)5(7)2-3-9-4/h2-3,8H,1H3

InChIKey

XPCTZQVDEJYUGT-UHFFFAOYSA-N

Smiles

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

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
chicken LD50 oral 3720mg/kg (3720mg/kg)   Toxicology and Applied Pharmacology. Vol. 15, Pg. 604, 1969.
guinea pig LD50 oral 1410mg/kg (1410mg/kg)   Dow Chemical Company Reports. Vol. -, Pg. -, 1967.
mouse LD16 intraperitoneal 1400mg/kg (1400mg/kg)   Russian Pharmacology and Toxicology Vol. 38, Pg. 213, 1975.
mouse LD50 oral 550mg/kg (550mg/kg)   FAO Nutrition Meetings Report Series. Vol. 44A, Pg. 56, 1967.
mouse LD50 subcutaneous 820mg/kg (820mg/kg)   Chemical and Pharmaceutical Bulletin. Vol. 22, Pg. 1008, 1974.
rabbit LD skin > 5gm/kg (5000mg/kg)   Food and Cosmetics Toxicology. Vol. 13, Pg. 841, 1975.
rabbit LD50 oral 1620mg/kg (1620mg/kg)   Dow Chemical Company Reports. Vol. -, Pg. -, 1967.
rat LD50 oral 1410mg/kg (1410mg/kg)   FAO Nutrition Meetings Report Series. Vol. 44A, Pg. 56, 1967.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 161.5 deg C   EXP
log P (octanol-water) 0.09 (none)   EXP
Water Solubility 1.09E+04 mg/L 15 EXP
Vapor Pressure 5.07E-04 mm Hg 25 EST
Henry's Law Constant 6.54E-06 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 5.01E-11 cm3/molecule-sec 25 EST

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