3-Methylthiopropanol CAS 505-10-2

Aure Chemical Delivers Reliable 3-Methylthiopropanol (CAS 505-10-2) at Consistent Quality

3-Methylthiopropanol, commonly called methionol, is a sulfur-containing alcohol with a characteristic meaty, soup-like aroma at low concentrations. It occurs naturally in fermented foods and wines and is widely used as a flavoring agent. Aure Chemical supplies this compound to support flavor manufacturers and specialty chemical users requiring consistent quality.

Basic Information

CAS No.	505-10-2
EC No.	208-004-6
Linear Formula	CH3S(CH2)3OH
Molecular Weight	106.19
Appearance	Clear colorless to light yellow liquid
Melting Point	−100 °C (estimate)
Boiling point	89-90 °C/13 mmHg (lit.)
Density	1.03 g/mL at 25 °C (lit.)
RIDADR	UN 3334 Class 9 / PG III (Aviation regulated liquid, n.o.s.)
Chemical Structure

Key Applications

• Flavor and fragrance ingredient – Primary use as FEMA 3415 flavoring agent to impart meaty, soup, potato, soy and savory notes in food formulations at low dosage levels.

• Natural occurrence enhancer in fermented products – Contributes characteristic aroma profiles found in soy sauce, wines, tomatoes and other fermented or cooked foods.

• Chemical intermediate in organic synthesis – Serves as a building block for sulfur-containing compounds and specialty molecules requiring a methylthio-propanol structure.

• Specialty aroma formulation component – Employed in savory, meat and vegetable flavor systems for soups, seasonings and processed foods.

• Research and analytical standard – Used as a reference compound in flavor chemistry studies and as a marker for fermentation-related sulfur volatiles.

Aure Chemical: Your Reliable Partner for 3-Methylthiopropanol

• Batch-consistent purity – Material controlled to meet flavor-grade and industrial specifications for reliable performance in aroma applications.

• Dependable international supply – Established logistics enable steady delivery of laboratory and commercial quantities to global customers.

• Complete documentation package – SDS, COA and transport classification documents are provided to support regulatory compliance and procurement.

• Flexible packaging options – Packaging solutions and responsive technical support help accommodate specific handling and formulation needs.

Hazards Classification

GHS Classification: Combustible liquid (Category 4) – GHS07; Skin irritation (Category 2) – GHS07; Serious eye irritation (Category 2) – GHS07; Specific target organ toxicity – single exposure (Category 3, respiratory) – GHS07

Hazard Statements: H227 Combustible liquid; H315 Causes skin irritation; H319 Causes serious eye irritation; H335 May cause respiratory irritation

UN Number: UN 3334

Hazard Class: 9

Packing Group: III