4-Methyl-2-(2-methylprop-1-en-1-yl)tetrahydro-2H-pyran, CAS No. 16409-43-1

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16409-43-1

Catalog No. EBD2205506

CAS 16409-43-1

Name 4-Methyl-2-(2-methylprop-1-en-1-yl)tetrahydro-2H-pyran

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Basic Information

Synonyms: tetrahydro-4-methyl-2-(2-methylprop-1-enyl)pyran cis-4-Methyl-2-(2-methyl-1-propenyl)-tetrahydropyran cis-Rosenoxid FEMA3236 4-Methyl-2-(2-methylprop-1-en-1-yl)tetrahydro-2H-pyran (+)-roseoxide

Molecular Formula: C10H18O

Molecular Weight: 154.25

MDL Number: MFCD00036607

Categories: Functional Chemicals > Consumer & Industrial Chemicals > Fragrances and Flavors Functional Chemicals > Cosmetics and Synthetic Ingredients > Cosmetic-grade Fragrances

Product Description:

Rose oxide is a monoterpene ether, specifically a tetrahydro-4-methyl-2-(2-methyl-1-propen-1-yl)-2H-pyran. It exists as a mixture of four stereoisomers, with the cis-isomer being the most common and commercially significant. This compound is a colorless to pale yellow liquid with a characteristic, powerful, and diffusive rose-like odor, often described as green, floral, and slightly metallic. It is a key fragrance ingredient used extensively in perfumery and cosmetics. Its primary application is to impart or enhance the rose note in fine fragrances, personal care products, soaps, and detergents. Due to its high stability and low odor threshold, it is a valuable component in creating modern floral and green fragrance accords. It is also used in flavorings to add a subtle floral nuance to certain food and beverage products.

Physical Properties

Boiling Point: 86 °C/20 mmHg(lit.)

Flash Point: 69 °C

Density: 0.866 g/mL at 25 °C(lit.)

Refractivity: n20/D 1.452(lit.)