Agent Name

Maltol

CAS Number

118-71-8

Formula

C6-H6-O3

Major Category

Biological Agents

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-; Corps praline; Larixic acid; Larixinic acid; Maltol (natural); Palatone; Talmon; Vetol; [ChemIDplus] 3-Hydroxy-2-methyl-4-pyranone; 2-Methyl-3-hydroxypyran-4-one; 2-Methyl-3-hydroxypyrone; [CAMEO]

Category

Plant Oils and Extracts

Description

Solid with a fragrant odor like caramel; [Merck Index] White powder; [Alfa Aesar MSDS]

Sources/Uses

Present in the bark of young larch trees, pine needles, chicory, wood tars and oils, and roasted malt; Used as a flavoring agent (gives bread and cakes a freshly baked odor); [Merck Index] Used as a flavoring agent, nutritive sweetener, and processing aid for food; [FDA] Permitted for use as an inert ingredient in non-food pesticide products; [EPA]

Comments

No reproductive toxicity observed in rats at doses up to 200 mg/kg; [ToxPlanet: Shepard's Catalog of Teratogenic Agents] A moderate skin irritant; Causes changes in renal tubules and weight loss in 90-day oral studies of rats; [RTECS] Demonstrates depressant properties in mice (potentiates hexobarbital-induced narcosis and inhibits spontaneous motor activity); [ChemIDplus] Acceptable daily intake (ADI) of 0-1 mg/kg; [JECFA] A skin and strong eye irritant; Toxic by ingestion; [Alfa Aesar MSDS]

Exposure Assessment
Vapor Pressure

0.000507 mm Hg

Links to Other NLM Databases
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