4H-Pyran-4-one, 3,5-dihydroxy-2-methyl- Property

Melting point:

158 °C

Boiling point:

346.2±42.0 °C(Predicted)

Density 

1.605±0.06 g/cm3(Predicted)

pka

9.24±0.10(Predicted)

LogP

0.123 (est)

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H303May be harmfulif swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P312Call a POISON CENTER or doctor/physician if you feel unwell.

P321Specific treatment (see … on this label).

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

4H-Pyran-4-one, 3,5-dihydroxy-2-methyl- Chemical Properties,Usage,Production

Definition

ChEBI: 5-Hydroxymaltol is a pyranone.

Synthesis Reference(s)

Synthetic Communications, 1, p. 111, 1971 DOI: 10.1080/00397917108081625