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: 2024-12-18 13:37:16
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 | n |
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) |
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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