6-Octenal, 3,7-dimethyl-, (R)-, CAS No. 2385-77-5

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2385-77-5

Catalog No. EBD9269

CAS 2385-77-5

Name 6-Octenal, 3,7-dimethyl-, (R)-

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Basic Information

Synonyms: (R)-(+)-Citronellal (R)-(+)-3,7-Dimethyl-6-octenal (3r)-(+)-citronellal (r)-3,7-dimethyl-oct-6-enal (r)-3,7-dimethyloct-6-enal 6-octenal,3,7-dimethyl-,(3r)- 6-octenal,3,7-dimethyl-,(r)- 7-dimethyl-(theta)-6-octena d-citronellal r-3,7-dimethyl-oct-6-enal (+)-citronellal

Molecular Formula: C10H18O

Molecular Weight: 154.25

MDL Number: MFCD00067089

Categories: Functional Chemicals > Consumer & Industrial Chemicals > Fragrances and Flavors Functional Chemicals > Cosmetics and Synthetic Ingredients > Cosmetic-grade Fragrances Synthetic Chemistry > Organic Building Blocks > Aldehydes and Ketones

Product Description:

(+)-Citronellal is a monoterpenoid aldehyde and a key constituent of citronella oil. It is a colorless to pale yellow liquid with a strong, characteristic lemon-like, citrus, and floral odor. Its chemical structure features a chiral center, and the (+)-enantiomer is the naturally predominant form found in plants like *Cymbopogon nardus* and *Cymbopogon winterianus*. The primary and most significant application of (+)-citronellal is as a fragrance ingredient. It is extensively used in the perfumery and cosmetics industries to impart fresh, citrusy, and floral notes to a wide range of products, including fine fragrances, soaps, detergents, and personal care items. It also serves as a key intermediate in the synthesis of other important fragrance compounds, such as hydroxycitronellal, menthol, and isopulegol. Additionally, it exhibits insect-repellent properties and is a component in some natural insect repellent formulations. As a chiral building block containing both an aldehyde and an alkene functional group, (+)-citronellal is a valuable starting material in organic synthesis, particularly for the construction of terpenoid frameworks and chiral molecules.

Physical Properties

Boiling Point: 207 °C(lit.)

Flash Point: 75 °C

Density: 0.851 g/mL at 25 °C(lit.)

Refractivity: n20/D 1.448(lit.)

Storage: 2-8°C

Analytical Data

Appearance: Colourless to slightly yellow liquid with intense lemon-citronella-rose aroma