Description

Watermelon Ketone is a high-purity fragrance and flavor compound, also known as 6-(Z)-Nonenyl-5,6-dihydro-2H-pyran-2-one. This compound is prized for its unique, fresh, and sweet aroma profile that closely mimics the characteristic scent of ripe watermelon. It serves as a critical ingredient for flavorists and perfumers seeking to create authentic, natural-smelling fruit accords. Primary industrial users include manufacturers in the fragrance, flavor, food & beverage, and personal care sectors.

Application

• Fragrance Formulation: A key component in fine perfumery and functional fragrances for cosmetics, detergents, and air fresheners, imparting fresh, fruity top notes.
• Flavor Creation: Used in the development of natural-tasting fruit flavors for beverages, confectionery, dairy products, and baked goods.
• Personal Care Products: Incorporated into shampoos, shower gels, lotions, and soaps to provide a pleasant and refreshing scent.
• Household & Industrial Products: Enhances the aroma of cleaning agents, fabric softeners, and other scented household items.
• Food & Beverage Industry: Applied as a flavor enhancer in products requiring a distinct watermelon or general fruity profile.
• Aromatherapy & Candles: Used in scented candles, diffusers, and wellness products for its uplifting and summery aroma.

Basic Information

Product Name	Watermelon Ketone
CAS No.	28940-11-6
Molecular Formula	C₁₀H₁₆O₂
Molecular Weight	168.23 g/mol
Synonyms	6-(Z)-Nonenyl-5,6-dihydro-2H-pyran-2-one; Calone; Watermelon lactone; 6-Nonenyl-5,6-dihydro-2-pyrone; 6-(cis-1-Nonenyl)dihydro-2H-pyran-2-one; 6-(Z)-1-Nonenyl-5,6-dihydro-2H-pyran-2-one; FEMA 4019; Flavor and Extract Manufacturers Association 4019
EINECS	249-322-8

Quality Control

Our Watermelon Ketone is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including Gas Chromatography (GC) and Infrared Spectroscopy (IR), to ensure high purity, consistent olfactory profile, and compositional integrity. We adhere to relevant industry standards for flavor and fragrance ingredients. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and physical characteristics is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Due to its highly volatile nature, keep containers tightly sealed when not in use to prevent evaporation and maintain product quality. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Odor	Characteristic fresh watermelon odor
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.470 - 1.480
Specific Gravity (20/20°C)	0.950 - 0.970

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.