Maltol

CAS 118-71-8C6H6O3MW 126.11

Maltol (CAS 118-71-8) — formula C6H6O3, molecular weight 126.11.

Product Overview

CAS Number	118-71-8
Molecular Formula	C6H6O3
Molecular Weight	126.11
Melting Point	324 to 327 °F (NTP, 1992)
Boiling Point	Sublimes at 93 °C
LogP	log Kow = 0.09

Technical Profile

What this product is

Maltol is a chemical compound with CAS registry number 118-71-8 and molecular formula C6H6O3 (molecular weight 126.11).

Identification

CAS number: 118-71-8

Its molecular formula C6H6O3 comprises 6 C, 6 H, 3 O atoms.

Also known as: Maltol · 麦芽酚

Frequently Asked Questions

What is the CAS number of Maltol?

The CAS registry number of Maltol is 118-71-8.

What is the molecular formula and molecular weight of Maltol?

Molecular formula C6H6O3, molecular weight 126.11.

What other names is Maltol known by?

It is also registered under: Maltol, 麦芽酚.

PubChem Public Data

Independent reference data for Maltol (CAS 118-71-8), compiled from public chemistry databases.

Registry identifiers across databases

CAS Registry Number	118-71-8
PubChem CID	8369
Molecular formula	C6H6O3
IUPAC name	3-hydroxy-2-methylpyran-4-one
UNII (FDA)	3A9RD92BS4
FEMA number	2656
JECFA number	1480

Computed descriptors

Molecular Weight	126.11
XLogP3	0.4
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	126.031694049
Monoisotopic Mass	126.031694049
Topological Polar Surface Area	46.5
Heavy Atom Count	9

Physicochemical values on record

Boiling Point	Sublimes at 93 °C
Melting Point	324 to 327 °F (NTP, 1992)
Melting Point	161.5 °C
Melting Point	161 - 162 °C
Solubility	1 to 10 mg/mL at 72 °F (NTP, 1992)
Solubility	In water, 10900 mg/L at 15 °C
Solubility	10.9 mg/mL at 15 °C
Vapor Pressure	0.000507 [mmHg]
LogP	log Kow = 0.09
LogP	0.09

Documented uses on record

Synonyms and trade names

MALTOL; 118-71-8; 3-Hydroxy-2-methyl-4H-pyran-4-one; 3-Hydroxy-2-methyl-4-pyrone; Larixinic acid; Palatone; Larixic acid; Talmon; Vetol; Veltol; Corps praline; 4H-Pyran-4-one, 3-hydroxy-2-methyl-; 3-hydroxy-2-methylpyran-4-one; 2-Methyl-3-hydroxy-4-pyrone; 2-Methyl pyromeconic acid; 2-Methylpyromeconic acid

Regulatory listings held on file

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT, NUTRITIVE SWEETENER, PROCESSING AID Flavoring Agents FLAVOURING_AGENTFood Additives -> FLAVOUR_ENHANCER; STABILIZ: Flavouring Agent No safety concern at current levels of intake when used as a flavouring agent The previously established ADI for maltol was withdrawn by the Committee.
GHS notification summary	15.5% (303 / 1955)

GHS hazard classification

GHS notification summary	15.5% (303 / 1955)
Reported hazard statements	H302 (84.5%), H341, H315, H319, H335

This chemical does not meet GHS hazard criteria for 15.5% (303 of 1955) of reports.

H302 (84.5%): Harmful if swallowed [Warning Acute toxicity, oral]

What the public record says

Maltol · CAS 118-71-8 · C6H6O3. UNII 3A9RD92BS4. Boiling Point: Sublimes at 93 °C; Melting Point: 324 to 327 °F (NTP, 1992); Melting Point: 161.5 °C.

Physical description and handling notes

Source: PubChem / Wikidata; the batch COA governs where values differ.