propanethial S-oxide

lachrymatory factor

CAS: 32157-29-2 C3 H6 O S MW: 90.14502000

Identification

Namepropanethial S-oxide
IUPAC1-sulfinylpropane
CAS Number32157-29-2
FDA UNII94Z73U61UH
Molecular FormulaC3 H6 O S
Molecular Weight90.14502000
Nikkaji NumberJ1.802.424A

Regulatory

Physical Properties

Assay 95.00 to 100.00
Food Chemicals Codex Listed No
Soluble in water, 7.549e+005 mg/L @ 25 °C (est)

No sensory data available

Safety Information

Oral/Parenteral ToxicityNot determined
Dermal ToxicityNot determined
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categorynatural substances and extractives
Recommendation for propanethial S-oxide usage levels up tonot for fragrance use.
Recommendation for propanethial S-oxide flavor usage levels up tonot for flavor use.

No supplier data available

Potential Uses

None Found

Natural Occurrence

onion bulb scallion bulb

Synonyms

lachrymatory factor propane, 1-sulfinyl- 1- sulfinylpropane thiopropanal S-oxide Info: Propanethial S-oxide PubMed: Enzyme That Makes You Cry-Crystal Structure of Lachrymatory Factor Synthase from Allium cepa. PubMed: Jack bean urease inhibition by crude juices of Allium and Brassica plants. Determination of thiosulfinates. PubMed: Investigation of volatiles emitted from freshly cut onions (Allium cepa L.) by real time proton-transfer reaction-mass spectrometry (PTR-MS). PubMed: Identification of amino acid residues essential for onion lachrymatory factor synthase activity. PubMed: Structure and bioactivity of thiosulfinates resulting from suppression of lachrymatory factor synthase in onion. PubMed: First insights into the mode of action of a "lachrymatory factor synthase"--implications for the mechanism of lachrymator formation in Petiveria alliacea, Allium cepa and Nectaroscordum species. PubMed: Applications of direct analysis in real time mass spectrometry (DART-MS) in Allium chemistry. 2-propenesulfenic and 2-propenesulfinic acids, diallyl trisulfane S-oxide, and other reactive sulfur compounds from crushed garlic and other Alliums. PubMed: Bioactive S-alk(en)yl cysteine sulfoxide metabolites in the genus Allium: the chemistry of potential therapeutic agents. PubMed: In vitro biogeneration of pure thiosulfinates and propanethial-S-oxide.