Introduction
Ketoisophorone (4-Ketoisophorone) is an important cyclic diketone that serves as a high-value aroma chemical. It occurs naturally as a signature component in precious saffron spice and is widely used in the fragrance and flavor industry to impart unique woody, tobacco-like, and fruity nuances. This liquid product is supplied at a high purity grade (>98%), making it a reliable and consistent raw material for creating sophisticated and complex scent profiles in various consumer products.
Physical & Chemical Parameters
| Parameter | Specification / Value | Notes / Reference |
|---|---|---|
| Physical State | Liquid | Light yellow to yellow liquid |
| Melting Point | 26 - 28 °C | May solidify in cold environments |
| Boiling Point | 222 °C (at atm. pressure); 92 - 94 °C (at 11 mmHg) | |
| Density | ~1.03 g/cm³ (at 20°C) | |
| Refractive Index | n20/D ~1.491 | |
| Flash Point | 94 °C (≈201 °F) | |
| Solubility | Soluble in oils and organic solvents (e.g., DMSO). Practically insoluble in water. | For R&D, soluble in DMSO up to ~50 mg/mL. |
Mechanism of Action: Creating Complex Aroma Profiles
As a fragrance and flavor ingredient, Ketoisophorone functions primarily through olfactive interaction and perception:
- Direct Aroma Contribution: Its molecular structure delivers a distinctive woody, earthy, and tobacco-like note. This makes it invaluable for replicating or enhancing natural flavors, such as the coveted scent of saffron, and for adding depth to masculine or oriental fragrance bases.
- Flavor/Fragrance Modulation & Blending: Beyond its direct scent, it acts as an effective modifier and blender. It helps to smooth harsh notes, add natural "dry down" characteristics, and enhance the overall complexity and tenacity of a flavor or fragrance composition. Its ability to bridge sweet, fruity, and woody elements makes it particularly versatile.
Key Benefits & Efficacy
- High Purity for Consistent Performance: Supplied at ≥98% purity, ensuring reliable odor strength and profile batch-to-batch for stable end-product formulations.
- Natural Character & Authenticity: Imparts a natural, complex tobacco and woody character essential for creating authentic, high-quality flavors and fragrances.
- Industry-Standard Compliance: Approved as a flavoring substance with FEMA GRAS status (No. 3421), facilitating its use in compliant food and flavor formulations globally.
- Excellent Formulation Compatibility: Its liquid form and solubility in common fragrance oils and solvents allow for easy and homogeneous incorporation into a wide range of cosmetic, personal care, and fine fragrance products.
Primary Applications
Ketoisophorone is a specialized ingredient favored by flavorists and perfumers for its unique olfactory properties.
- Tobacco Flavoring: Used in tobacco flavor formulations to enrich and round off the overall tobacco aroma, providing characteristic woody and dried fruit notes.
- Food & Beverage Flavors: Applied in select beverage and food flavorings to add complexity, particularly useful for creating or enhancing notes of tea, dried fruits, and spice blends where its saffron-like character is valued.
- Fragrances for Personal Care: Incorporated into fine fragrances, soaps, detergents, and cosmetics to contribute dry, woody middle-to-base notes, especially in oriental, woody, and fougère fragrance families.
FAQ: Frequently Asked Questions
Q: What is the odor description of Ketoisophorone?
A: Ketoisophorone possesses a distinctive woody, earthy, and slightly musty aroma with tobacco-like and dried fruit undertones. It is a key component of natural saffron's scent profile.
Q: How should Ketoisophorone be stored?
A: For optimal long-term stability, store in a tightly sealed, light-resistant container in a cool, dry, and well-ventilated place. Recommended storage temperature is between 2-8°C.
Q: What safety precautions should be taken when handling?
A: Ketoisophorone is classified as an irritant (Xi). It can cause irritation to the eyes, respiratory system, and skin. Always wear appropriate personal protective equipment (PPE), including safety glasses and gloves (S37/39). In case of eye contact, rinse immediately with plenty of water and seek medical advice (S26).
Act Now: Source Your Premium Ketoisophorone
Elevate your flavor and fragrance creations with our high-quality Ketoisophorone liquid. We provide material with guaranteed specifications, backed by comprehensive documentation for your quality assurance and regulatory needs.
Contact our sales team today to:
- Receive a competitive quotation and discuss custom packaging options.
- Obtain detailed technical data sheets and safety information.
Let's collaborate to develop your next signature scent or flavor.
Please contact us at ella.zhang@huilinbio-tech.com.
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