Guaiacol

Independent reference data for Guaiacol (CAS 90-05-1), compiled from public chemistry databases.

Registry identifiers across databases

Computed descriptors

Physicochemical values on record

Documented uses on record

Naturally occurs in guaiac resin, animal wastes, and essential oils of plants; Used as an antioxidant (for fats, oils, and vitamins), anti-gumming agent in hydrocarbon solvents, anti-skinning agent in surface coatings; flavoring agent, polymerization inhibitor, stimulant expectorant, local anesthetic, and chemical intermediate (medicines, guaiacol compounds, and perfumes); [HSDB]Painting (Pigments, Binders, and Biocides) [Category: Paint]

Synonyms and trade names

guaiacol; 2-Methoxyphenol; 90-05-1; o-Methoxyphenol; 2-Hydroxyanisole; o-Guaiacol; Guaiastil; Pyroguaiac acid; o-Hydroxyanisole; Phenol, 2-methoxy-; Anastil; 1-Hydroxy-2-methoxybenzene; Pyrocatechol monomethyl ether; Guaicol; Phenol, o-methoxy-; Guaicolina

Regulatory listings held on file

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Burnt, Phenol, Wood No safety concern at current levels of intake when used as a flavouring agent
GHS notification summary	0.1% (1 / 1887)

GHS hazard classification

GHS notification summary	0.1% (1 / 1887)
Reported hazard statements	H302, H315, H319, H318, H332, H336, H370, H402

H302: Harmful if swallowed [Warning Acute toxicity, oral]

H315: Causes skin irritation [Warning Skin corrosion/irritation]

What the public record says

Guaiacol · CAS 90-05-1 · C7H8O2. UNII 6JKA7MAH9C. Boiling Point: 399 to 403 °F at 760 mmHg (NTP, 1992); Boiling Point: 205 °C; Boiling Point: 203-206 °C.

Physical description and handling notes

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