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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 85521Generated: November 4, 2026

Methional diethyl acetal

Einecs 240-681-3 · METHIONAL DIETHYL ACETAL · 1,1-diethoxy-3-(methylthio)propane · Propane, 1,1-diethoxy-3-(methylthio)-

https://huagongshe.com/en/chemical/85521

Methional diethyl acetal molecular structure

Identifiers & Physical Properties

CAS No.16630-61-8
Molecular formulaC8H18O2S
Average molar mass178.29 g/mol
Monoisotopic mass178.10275099 g/mol
SMILESCCOC(CCSC)OCC
InChIKeyFKAZTVDSOBDTFU-UHFFFAOYSA-N
PubChem CID85521
ChEBICHEBI:173837
EC No.240-681-3
DTXSIDDTXSID10168089

Chemical & Physical Properties

XLogP1.8
Topological polar surface area43.8
Hydrogen bond donors0
Hydrogen bond acceptors3
Rotatable bonds7
Heavy atoms11
Formal charge0
Complexity72.5
Food additivesFLAVORING AGENT OR ADJUVANT -> FDA Substance added to food
Density0.952-0.958 (20 °C)0.96 g/cm3
SolubilityPractically insoluble or insoluble in waterSoluble (in ethanol)
Boiling point229.00 to 231.00 °C. @ 760.00 mm Hg118-119 °C (50 mm Hg)68-74 °C(Press: 0.7 Torr)
Refractive index1.447-1.453
Physical DescriptionClear colourless to pale yellow liquidPungent cabbage aroma
FEMA4590 | METHIONAL DIETHYL ACETAL
Odorat 0.10 % in propylene glycol. pungent cabbage
Odor typecabbage
JECFA Number1940
LogP (partition coefficient)2.20
Substances Added to Food (formerly EAFUS)METHIONAL DIETHYL ACETAL
FDA UNIIX22S1I598Y