Industrial Grade 2-Acetyl-5-Methylfuran: 99% Assay and COA Standards
- Assay Verification: Rigorous GC analysis ensures industrial purity exceeds 98%, targeting 99% for premium applications.
- Impurity Control: Optimized synthesis routes minimize byproducts like levulinic acid derivatives.
- Documentation: Comprehensive COA provided for every batch, detailing physical constants and safety parameters.
In the competitive landscape of flavor and fragrance intermediates, consistent chemical quality is paramount. 2-Acetyl-5-Methylfuran (CAS 1193-79-9) serves as a critical building block for creating nutty, cocoa-like, and caramellic notes in food formulations, as well as serving as a versatile intermediate in pharmaceutical synthesis. Achieving an industrial purity of 99 percent requires precise control over the manufacturing process and stringent analytical verification. As a premier global manufacturer, NINGBO INNO PHARMCHEM CO.,LTD. prioritizes technical excellence to meet the demanding specifications of international buyers.
Assay Verification Standards Above 98 Percent
The distinction between 98% and 99% assay grades often lies in the analytical methodology and the strictness of the acceptance criteria. For high-value applications, standard gas chromatography (GC) may not suffice without specific column parameters to separate close-eluting furan derivatives. Our quality control protocols utilize capillary GC with flame ionization detection to quantify the main peak area against internal standards. This ensures that the reported industrial purity reflects the actual content of 1-(5-methylfuran-2-yl)ethanone rather than just a relative percentage.
Batch-to-batch consistency is maintained by monitoring key physical constants alongside the assay. The refractive index, typically ranging from 1.508 to 1.514 at 20°C, serves as a rapid identity check before full chromatographic analysis. Furthermore, the specific gravity, expected between 1.059 and 1.067 at 25°C, provides additional confirmation of bulk density and composition. Deviations in these physical properties often signal the presence of isomeric impurities or residual solvents that could affect the organoleptic profile in flavor applications.
Impurity Profile Analysis for Fine Chemicals
Understanding the impurity profile is essential for risk management in downstream processing. The synthesis route for this furan derivative often involves the transformation of glucose or related carbohydrates under heat treatment in an autoclave. While efficient, this pathway can generate byproducts such as levulinic acid or other carboxylic acid derivatives. Advanced manufacturing processes employ fractional distillation under reduced pressure to isolate the target compound, typically collecting fractions boiling between 100°C and 101°C at 25 mmHg.
Chemical stability is another critical factor. The furan ring is susceptible to oxidation, particularly in the presence of strong oxidizing agents. Therefore, impurity analysis must also screen for peroxides or ring-opened degradation products. In reactions where 5-Methyl-2-acetylfuran is used as a reactant, such as in the formation of 4-arylation products or aminals via reaction with 2-aminoethanol, the presence of acidic impurities can catalyze unwanted polymerization. Our production teams optimize reaction conditions to minimize acid values, keeping them below 2.00 mg KOH/g to ensure compatibility with sensitive catalytic systems.
Technical Specifications and Physical Properties
Procurement decisions in the B2B sector rely on accurate technical data sheets. The following table outlines the standard specifications for industrial-grade material, ensuring alignment with international pharmacopeia and flavor industry standards such as FEMA# 3609.
| Parameter | Specification | Test Method |
|---|---|---|
| Chemical Name | 2-Acetyl-5-methylfuran | - |
| CAS Number | 1193-79-9 | - |
| Assay (GC) | ≥ 98.0% - 99.0% | Area Normalization |
| Appearance | Colorless to pale yellow liquid | Visual |
| Boiling Point | 100°C to 101°C @ 25 mmHg | Distillation |
| Refractive Index (nD20) | 1.5080 - 1.5140 | Refractometry |
| Specific Gravity (25°C) | 1.059 - 1.067 | Pychnometer |
| Flash Point | 80°C (176°F) | Tag Closed Cup |
| Acid Value | ≤ 2.00 mg KOH/g | Titration |
COA Documentation Requirements for Audits
Regulatory compliance demands robust documentation. A comprehensive Certificate of Analysis (COA) is not merely a formality but a legal record of product quality. For audit purposes, the COA must include batch numbers, manufacturing dates, and expiration timelines. It should also reference safety data, including hazard statements such as H227 (Combustible liquid) and H302 (Harmful if swallowed), ensuring alignment with GHS standards. Storage recommendations specify ambient temperatures in cool, dry, and well-ventilated places, away from incompatibilities.
When evaluating suppliers, buyers should verify that the COA includes traceability to raw material inputs. This is particularly important for customers requiring Kosher or Halal certification for flavor applications. The documentation process supports the entire supply chain, from the reactor vessel to the final drum. As a trusted global manufacturer, NINGBO INNO PHARMCHEM CO.,LTD. ensures that all documentation is readily available for regulatory submissions and quality audits.
Commercial Viability and Bulk Procurement
Scaling from gram-level research to metric ton production requires a stable supply chain. The bulk price of fine chemicals is influenced by raw material availability and energy costs associated with distillation. Efficient logistics are crucial for maintaining product integrity during transit, especially for combustible liquids. Proper packaging in tight containers prevents moisture ingress, which could hydrolyze the ketone functionality over time.
For procurement specialists evaluating options, technical support is as valuable as the product itself. When sourcing high-purity 2-Acetyl-5-methylfuran, buyers should consider the supplier's capacity for custom synthesis and process optimization. Whether the application involves creating nutty cocoa-like nuances in food or synthesizing complex heterocyclic pharmaceuticals, the consistency of the intermediate dictates the success of the final product. Partnering with a manufacturer that controls the entire manufacturing process ensures that quality deviations are caught early, securing your production schedule against supply chain disruptions.