| Product Name | 3-Mercapto-2-methylpenta-1-ol |
|---|---|
| Synonyms | 3 - mercaptoacetic - 2 - methyl alcohol e; 3-MERCAPTO-2-METHYLPENTANOL; 3-Mercapto-2-methylpenta-1-ol; 2-Methyl-3-sulfanylpentan-1-ol; 3-MERCAPTO-2-METHYLPENTAN-1-OL (RACEMIC); 1-Pentanol,3-mercapto-2-methyl-; 3-Mercapto-2-methyl-1-pentanol; 3-Mercapto-2-methyl-1-pentanol (mixture of diastereoisomers) |
| CAS | 227456-27-1 |
| MF | C6H14OS |
| MW | 134.24 |
| EINECS | 927-385-6 |
| Odor Type | sulfurous |
| Color | Colorless to Light yellow |
3-Mercapto-2-methylpentan-1-ol is predominantly and almost exclusively used in the fragrance and flavor industry.
In Perfumery: It is a powerful top-note ingredient. Perfumers use it in trace amounts (often in parts per million or billion) to add:
Tropical, fruity accents to floral, fruity, and fantasy fragrances.
A juicy, fresh "boost" to citrus colognes.
A modern, diffusive effect. Its aroma helps create a compelling first impression in a scent composition.
In Flavoring: It is used to impart or enhance:
Tropical fruit flavors (especially grapefruit, passion fruit) in beverages, candies, and desserts.
Savory, meaty nuances in reaction flavors or savory applications (though less common than for fruit).
Critical Note on Odor Threshold: One of its most remarkable features is its extremely low odor threshold (the minimum concentration at which it can be detected by smell). This makes it a potent impact chemical, where minuscule amounts have a dramatic effect on a fragrance or flavor formula.
Safety & Handling
Like many mercaptans, it should be handled with care in its pure form—using appropriate personal protective equipment (gloves, goggles) and in a well-ventilated area or fume hood due to its potent odor.
For consumer products (perfumes, foods), it is used in highly diluted forms and is considered safe for use as a flavor and fragrance ingredient within established regulatory guidelines.