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Product Name: 3-(Methylthio)propionaldehyde
Synonyms: 3-(METHYLTHIO)PROPIONALDEHYDE;
3-(METHYLTHIO)PROPANAL;
3-Methylthiopropoanaldehyde;
3-(METHYLMERCAPTO)PROPIONALDEHYDE;
4-THIAPENTANAL;
METHYL MERCAPTOPROPIONALDEHYDE;
METHIONAL;
FEMA 3174
Product Categories: sulfide Flavor;Sulfides flavors

3-(Methylthio)propionaldehyde Chemical Properties
mp -68°C
bp 165-166 °C(lit.)
density 1.043 g/mL at 25 °C(lit.)
vapor density >1 (vs air)
vapor pressure 760 mm Hg ( 165 °C)
FEMA 2747
refractive index n20/D 1.483(lit.)
Fp 142 °F
storage temp. 2-8°C
Sensitive Air Sensitive

3-(Methylthio)propionaldehyde Usage And Synthesis
Chemical Properties CLEAR COLOURLESS LIQUID
General Description A colorless to amber liquid with an extremely foul and persistent odor. Slightly soluble in water and denser than water. Contact may slightly irritate skin, eyes and mucous membranes. Moderately toxic. Used as a food additive.
Air & Water Reactions Slightly soluble in water.
Reactivity Profile Organosulfides, such as 3-(Methylthio)propionaldehyde, are incompatible with acids, diazo and azo compounds, halocarbons, isocyanates, aldehydes, alkali metals, nitrides, hydrides, and other strong reducing agents. Reactions with these materials generate heat and in many cases hydrogen gas. Many of these compounds

Molecular Formula: C4H8OS
Molecular Weight: 104.17
Hazard Symbols: C,Xn
UN Number: UN 2785 6.1/PG 3
WGKGermany: 1
PackingGroup: III
HS Code: 29309070

EINECS:221-882-5
Molecular formula:C4H8OS

Aroma: It has a strong and easy to spread onion and meat-like aroma; after dilution, the onion-like aroma is reduced and has a broth-like delicious aroma.
Applicable Scope: Roasted potatoes, vegetables, meat products, seasonings
Suggested Dosage (PPm) : 0.01-5
FEMA: 2747
National Standard Code: S0700

Assay: 99%