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High Purity ≥ 98% 3,5,5-Trimethylhexanoic Acid (Isooctanoic Acid) for Chemical Intermediate and Fragrance & Flavor Applications
| MOQ: | 500g, 1kg or 25kg for sample, 1000kg for commercial order |
| Standard Packaging: | Net Weight 25kg or 200kg/package |
| Delivery Period: | In 3 working days |
| Payment Method: | T/T,LC,OA |
| Supply Capacity: | 3000 Tons/month |
3,5,5-Trimethylhexanoic acid (CAS 3302-10-1) is a branched-chain carboxylic acid widely used as an intermediate in the synthesis of fragrances, plasticizers, lubricants, and specialty chemicals. Its unique structure provides excellent stability and performance in various industrial applications. It is also known as isooctanoic acid and is valued for its low volatility and compatibility with numerous organic systems.
| Property | Specification |
|---|---|
| CAS Number | 3302-10-1 |
| Molecular Formula | C₉H₁₈O₂ |
| Molecular Weight | 158.24 g/mol |
| Appearance | Clear, colorless to pale yellow liquid |
| Odor | Characteristic fatty acid odor |
| Purity | ≥ 98% (GC) |
| Boiling Point | 225-230°C |
| Melting Point | < -20°C |
| Density | 0.90-0.92 g/cm³ at 20°C |
| Refractive Index | 1.428-1.432 at 20°C |
| Flash Point | > 110°C (closed cup) |
| Solubility | Soluble in organic solvents (alcohols, ethers, hydrocarbons); poorly soluble in water |
| Acid Value | 340-360 mg KOH/g |
| Storage | Store in a cool, dry, well-ventilated area away from heat and oxidizers |
- Chemical Intermediate: Key building block for synthesizing esters, amides, and other derivatives.
- Fragrance & Flavor Ingredient: Used in perfumes and flavorings due to its mild odor profile.
- Plasticizer Precursor: Imparts flexibility and durability to polymers.
- Lubricant Additive: Enhances thermal stability and reduces friction.
- Corrosion Inhibitor: Protects metal surfaces in industrial fluids.
- Surfactant & Emulsifier: Used in specialty cleaning and personal care formulations.
- Fragrance & Perfumery: As a modifier and fixative in fine fragrances and cosmetics.
- Polymer Industry: Intermediate for plasticizers, PVC stabilizers, and synthetic lubricants.
- Coatings & Inks: Used in alkyd resins and printing inks for improved flow and adhesion.
- Metalworking Fluids: Additive for cutting oils and rust preventatives.
- Personal Care: Emollient and surfactant in creams, lotions, and hair products.
- Agrochemicals: Intermediate in the synthesis of pesticides and herbicides.
3,5,5-Trimethylhexanoic acid is typically produced via the Koch reaction, which involves:
- Carbonylation of branched olefins (e.g., diisobutylene) with carbon monoxide and water.
- Acid Catalysis: Using strong acids (e.g., sulfuric acid) under high pressure and temperature.
- Purification: Distillation and neutralization to achieve high-purity product.
- Quality Control: GC analysis, acid value determination, and impurity profiling.
The process ensures high yield, consistent quality, and minimal environmental impact.
A: When stored properly in sealed containers away from light and moisture, shelf life is typically 2 years.
A: It may cause mild skin or eye irritation. Use appropriate PPE (gloves, goggles) and ensure good ventilation. Refer to SDS for safe handling.
A: Currently, it is primarily used in industrial and fragrance applications. For food/pharma use, specific regulatory approvals and higher purity grades are required.
A: We offer 25 kg drums, 200 kg barrels, and bulk ISO tanks. Custom packaging is available upon request.
A: Yes, we offer free samples for qualified customers and R&D purposes.
A: Typically 1-2 weeks for standard orders, subject to quantity and destination.
A: Yes, we supply esters, salts, and other custom derivatives. Contact us for more information.
