Hexane-2,3-Dione Specification COA: Yellow Oily Liquid Quality Standards
- Process Chemists: Verified synthesis routes yielding high-purity 2,3-Hexanedione with minimal impurity profiles for consistent flavor performance.
- Sourcing Strategy: Secure tonnage quantities with factory direct advantages, ensuring stable bulk price structures and reliable logistics.
- Regulatory Compliance: Full adherence to FEMA and JECFA standards, supported by comprehensive documentation for global market access.
In the competitive landscape of flavor and fragrance manufacturing, verifying the physical state and chemical integrity of raw materials is paramount. For formulators seeking a reliable yellow oily liquid with a sharp penetrating odor that mellows into a sweet, aromatic profile upon dilution, understanding the precise specification parameters is critical. This technical overview details the quality benchmarks required for commercial-grade production, ensuring that every batch meets the rigorous demands of modern application engineering.
As a premier global manufacturer, NINGBO INNO PHARMCHEM CO.,LTD. delivers consistent quality for this essential diketone, supporting clients who require drop-in replacements without compromising on sensory performance or safety standards.
Verifying Physical State and Organoleptic Properties
The primary identifier for this material is its appearance as a yellow oily liquid, distinct from powdered alternatives often confused in lower-grade supply chains. The odor profile is concentration-dependent; at high concentrations, it presents a sharp, penetrating character, while diluted solutions exhibit the desired sweet, buttery notes essential for specific aroma applications. This behavior is characteristic of a high-quality C6 diketone structure.
For R&D teams validating raw materials, the specific gravity and volatility are key indicators of purity. The material typically exhibits a specific gravity of approximately 0.934 at 66°F, indicating it is less dense than water and will float in aqueous environments. Furthermore, the vapor pressure data (0.5 mmHg at 84°F) informs headspace analysis and encapsulation strategies. When sourcing high-purity Hexane-2,3-dione, buyers should prioritize suppliers who provide batch-specific gas chromatography (GC) data to confirm these physical constants align with theoretical values.
Understanding GC Assay and Purity in COA
The Certificate of Analysis (COA) is the definitive document for quality assurance. Procurement specialists must look beyond the assay percentage and examine the impurity profile. A robust COA will detail the presence of related ketones or oxidation byproducts that could alter the flavor profile or stability of the final formulation. The target assay for commercial applications typically exceeds 98% purity, ensuring the material functions effectively as a buttery flavor agent or caramel aroma chemical.
Below is a standard technical specification table reflecting the critical quality parameters expected from a top-tier supplier:
| Parameter | Specification Standard | Typical Result | Test Method |
|---|---|---|---|
| Appearance | Yellow Oily Liquid | Clear Yellow Liquid | Visual |
| Assay (GC) | ≥ 98.0% | 98.5% - 99.2% | Gas Chromatography |
| Specific Gravity | 0.930 - 0.940 (20°C) | 0.934 | ASTM D4052 |
| Refractive Index | 1.410 - 1.420 (20°C) | 1.415 | ASTM D1218 |
| Flash Point | ≈ 83°F (28°C) | 28°C | Pensky-Martens |
| Boiling Point | ≈ 262°F (128°C) | 128°C | Distillation |
Supply Chain Stability and Commercial Viability
For procurement officers, securing a stable supply chain is as important as chemical specifications. Market fluctuations can impact bulk price availability, making it essential to partner with a global manufacturer capable of scaling production to meet tonnage quantities. Factory direct engagement eliminates intermediary markups and reduces lead times, providing a significant competitive advantage in cost-sensitive projects.
Additionally, the chemical is often referenced by synonyms such as Acetyl butyryl or methyl propyl diketone in legacy supply contracts. Ensuring that your vendor recognizes these equivalents prevents sourcing errors. NINGBO INNO PHARMCHEM CO.,LTD. maintains robust inventory levels and logistical networks to ensure continuity of supply, mitigating the risk of production downtime due to raw material shortages.
Safety, Handling, and Regulatory Compliance
From an executive oversight perspective, regulatory compliance and safety handling are non-negotiable. This compound is highly flammable and requires storage away from sources of ignition and strong oxidizing agents. Safety Data Sheets (SDS) must be readily available, detailing appropriate protective clothing, such as NIOSH-approved respirators with organic vapor cartridges, and first aid measures for skin or eye contact.
Regulatory status is favorable for flavor applications, with evaluations indicating no safety concern at current levels of intake when used as a flavoring agent (FEMA 2558, JECFA 412). However, compliance with local regulations such as REACH or TSCA must be verified for each target market. Executives should demand full regulatory documentation to ensure commercial viability and avoid potential liability issues associated with non-compliant imports.
To ensure your formulation meets these rigorous standards, contact our technical sales team for a batch-specific COA, SDS, or bulk pricing quote.