4,4-Dimethoxy-2-butanone

Independent reference data for 4,4-Dimethoxy-2-butanone (CAS 5436-21-5), compiled from public chemistry databases.

Registry identifiers across databases

Computed descriptors

Physicochemical values on record

Documented uses on record

Used as a flavoring agent; [FDA]Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes

Synonyms and trade names

4,4-dimethoxybutan-2-one; 4,4-Dimethoxy-2-butanone; Acetylacetaldehyde dimethyl acetal; 2-Butanone, 4,4-dimethoxy-; 1,1-Dimethoxy-3-butanone; Acetoacetaldehyde dimethyl acetal; 3-Oxobutyraldehyde dimethyl acetal; 4,4-Dimethoxybutanone; Formylacetone dimethyl acetal; Acetylacetaldehyddimethylacetal; 3-Oxobutanal dimethyl acetal; 3-Ketobutyraldehyde dimethylacetal; Acetoacetaldehyde, 1-(dimethyl acetal); FEMA No. 3381; beta-Oxobutyraldehyde dimethyl acetal; NSC 21538

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 Floral 3-KETOBUTYRALDEHYDE DIMETHYL ACETAL
GHS notification summary	5.6% (89 / 1598)

GHS hazard classification

GHS notification summary	5.6% (89 / 1598)
Reported hazard statements	H226 (94.4%)

This chemical does not meet GHS hazard criteria for 5.6% (89 of 1598) of reports.

H226 (94.4%): Flammable liquid and vapor [Warning Flammable liquids]

What the public record says

4,4-Dimethoxy-2-butanone · CAS 5436-21-5 · C6H12O3. UNII 0IZ188B2ZA. Boiling Point: 178.00 °C. @ 760.00 mm Hg; Boiling Point: 178 °C; Melting Point: -83.00 °C. @ 760.00 mm Hg.

Physical description and handling notes

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