Description

cis-4-Decenal Diethyl Acetal is a high-value, specialty fragrance and flavor intermediate known for its unique, powerful green, waxy, and citrus-like olfactory characteristics. This compound matters for formulators seeking to create or enhance complex, natural-smelling profiles in premium consumer products. It is primarily needed by manufacturers in the fragrance, flavor, and fine chemical synthesis industries, where it serves as a key building block for sophisticated aroma compositions.

Application

• Fragrance Industry: A crucial component in the creation of fresh, green, and citrusy top notes for perfumes, colognes, and personal care products like soaps and shampoos.
• Flavor Industry: Used to impart or enhance natural citrus, melon, and fresh green nuances in food and beverage flavorings.
• Aroma Chemical Synthesis: Serves as a versatile intermediate for the synthesis of other, more complex fragrance molecules and derivatives.
• Functional Perfumery: Employed in household products, detergents, and air fresheners to provide a clean, natural, and uplifting scent character.
• Cosmetic Ingredients: Incorporated into skincare and haircare formulations where a specific fresh olfactory signature is desired.
• Research & Development: Utilized in analytical and R&D laboratories as a reference standard or for exploring new olfactory compounds.

Basic Information

Product Name	cis-4-Decenal Diethyl Acetal
CAS No.	73545-19-4
Molecular Formula	C₁₄H₂₈O₂
Molecular Weight	228.37 g/mol
Synonyms	(Z)-4-Decenal Diethyl Acetal; 4-Decenal, diethyl acetal, (4Z)-; (Z)-4-Decen-1-al Diethyl Acetal; cis-4-Decen-1-al Diethyl Acetal; 4-Decenal Diethyl Acetal (cis-); Flavor and Fragrance Intermediate FEMA 3744; Green Note Acetal; Diethyl acetal of cis-4-decenal
EINECS	Contact for details

Quality Control

Our cis-4-Decenal Diethyl Acetal is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity suitable for sensitive fragrance and flavor applications. Quality is verified through comprehensive analytical testing including GC, IR, and NMR. A Certificate of Analysis (COA) detailing identity, purity, and organoleptic properties is provided with each shipment to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and heat sources. Under these conditions, the product is stable for extended periods.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 97.0%
Odor	Characteristic green, waxy, citrus
Refractive Index (20°C)	1.430 - 1.440
Specific Gravity (20/20°C)	0.850 - 0.870

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