Description

trans-4-Heptenal is a high-purity, unsaturated aliphatic aldehyde with a characteristic fatty, green, and slightly nutty aroma. This compound is a valuable flavor and fragrance intermediate, prized for its ability to impart authentic, natural-tasting notes to complex formulations. It is essential for manufacturers in the flavor and fragrance industry, as well as researchers in organic synthesis and analytical chemistry.

Application

• Flavor & Fragrance Creation: A key building block for synthesizing and enhancing flavors with fatty, green, nutty, or creamy nuances, often used in dairy, nut, and vegetable flavor profiles.
• Aroma Chemical Intermediate: Serves as a precursor in the synthesis of more complex aroma molecules and specialty chemicals for perfumery.
• Food & Beverage Industry: Used to create or boost authentic natural flavors in processed foods, snacks, and beverages.
• Research & Development: Employed in academic and industrial R&D for studying organic reactions, catalysis, and as a standard in analytical methods like GC-MS.
• Fine Chemical Synthesis: Utilized as a versatile chiral building block or reagent in the synthesis of pharmaceuticals and agrochemicals.

Basic Information

Product Name	trans-4-Heptenal
CAS No.	929-22-6
Molecular Formula	C7H12O
Molecular Weight	112.17 g/mol
Synonyms	(E)-4-Heptenal; (E)-Hept-4-enal; trans-Hept-4-enal; 4-Heptenal, (E)-; FEMA 3970; 4-Hepten-1-al, (4E)-; Leaf Aldehyde (isomer); (E)-4-Hepten-1-al
EINECS	213-192-2

Quality Control

Our trans-4-Heptenal is produced and handled under a strict quality management system. Every batch undergoes comprehensive analytical testing including GC, IR, and NMR to verify identity, purity, and isomeric composition. We provide full traceability and Certificates of Analysis (COA) are available upon request to ensure it meets your specific application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C to minimize oxidation and degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 97.0% (sum of isomers)
trans-Isomer Content (GC)	≥ 95.0%
Refractive Index (20°C)	1.430 - 1.436
Specific Gravity (20/20°C)	0.845 - 0.855

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