3-Methylthiopropanol Property

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)

pka

14.87±0.10(Predicted)

form 

liquid (estimate)

Specific Gravity

1.03

color 

Clear Colorless to Light Yellow

Odor

at 0.10 % in propylene glycol. sulfurous onion sweet soup vegetable

Odor Type

meaty

JECFA Number

461

LogP

0.40

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

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-24/25-36/37/39

RIDADR 

UN 3334

WGK Germany 

3

TSCA 

Yes

HS Code 

29309090

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

3-Methylthiopropanol Chemical Properties,Usage,Production

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

Uses

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

Uses

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

Preparation

From propylene chlorhydrin and sodium hydrosulfide

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.

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.