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HomeProduct name list3-Methylthiopropanol

3-Methylthiopropanol

Synonym(s):Methionol

  • CAS NO.:505-10-2
  • Empirical Formula: C4H10OS
  • Molecular Weight: 106.19
  • MDL number: MFCD00036560
  • EINECS: 208-004-6
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-07-16 15:11:44
3-Methylthiopropanol Structural

What is 3-Methylthiopropanol?

Description

3-(Methylthio)propanol has a powerful sweet soup or meat-like odor and flavor in high dilution. May be prepared from propylene chlorhydrin and sodium hydrosulfide.

Chemical properties

Colorless Liquid

Chemical properties

3-(Methylthio)propanol has a powerful, sweet, soup or meat-like odor and flavor in high dilution.

Occurrence

Reported found in fermented soy sauce, tomatoes, grape wines, apple, melon, pineapple, asparagus, rye bread, cheeses, cured pork, beer, cognac, malt whiskey, cider, sherry, coffee, litchi, shrimp and apple brandy

The Uses of 3-Methylthiopropanol

3-Methylthiopropanol is used in the meat essence composition.It is also used in meat, potato, and cheese flavorings.

The Uses of 3-Methylthiopropanol

3-(Methylthio)-1-propanol is used in the meat essence composition.

Definition

ChEBI: An alkyl sulfide that is propan-1-ol substituted by a methylsulfanyl group at position 3. It is a volatile compound found in wines and produced during fermentation.

Preparation

From propylene chlorhydrin and sodium hydrosulfide

Aroma threshold values

Detection: 0.2 ppb. Aroma characteristics at 1.0%: sulfurous, savory, vegetative raw potato-like, fresh tomato, metallic anchovy-like with some onion and garlic nuances

Taste threshold values

Taste characteristics at 0.5 ppm: metallic, tomato, potato, anchovy-like with savory brothy and malt-like nuances.

Synthesis Reference(s)

Tetrahedron, 48, p. 5933, 1992 DOI: 10.1016/S0040-4020(01)90183-8

General Description

3-(Methylthio)-1-propanol is a volatile sulfur flavor compound mainly found in wine and soy sauce.

Properties of 3-Methylthiopropanol

Melting point: -100°C (estimate)
Boiling point: 89-90 °C13 mm Hg(lit.)
Density  1.03 g/mL at 25 °C(lit.)
refractive index  n20/D 1.49(lit.)
FEMA  3415 | 3-(METHYLTHIO)PROPANOL
Flash point: 195 °F
storage temp.  Sealed in dry,2-8°C
solubility  Chloroform (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
form  liquid (estimate)
pka 14.87±0.10(Predicted)
Specific Gravity 1.03
color  Clear Colorless to Light Yellow
Odor at 0.10 % in propylene glycol. sulfurous onion sweet soup vegetable
JECFA Number 461
CAS DataBase Reference 505-10-2(CAS DataBase Reference)
NIST Chemistry Reference 1-Propanol, 3-(methylthio)-(505-10-2)
EPA Substance Registry System Methionol (505-10-2)

Safety information for 3-Methylthiopropanol

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P271:Use only outdoors or in a well-ventilated area.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 3-Methylthiopropanol

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