Product Overview & Identity
Sodium Caprylate (Sodium Octanoate)
Representing the pinnacle of chemical purity, Sodium Caprylate (CAS 1984-06-1) is a highly versatile sodium salt of caprylic acid. Engineered for excellence, it serves as a critical component across multiple high-tech industries, primarily recognized for its unmatched efficacy in protein stabilization and antimicrobial defense systems.
- Chemical Name: Sodium caprylate / Sodium octanoate
- CAS No.: 1984-06-1
- Molecular Formula: C8H15NaO2
- Molecular Weight: 166.19
Availability: Free samples are available for qualified industrial and pharmaceutical testing.
Sodium caprylate, scientifically known as sodium octanoate, is a medium-chain fatty acid salt that has revolutionized modern bioprocessing and chemical synthesis. Its unique molecular architecture—comprising a hydrophilic sodium carboxylate head and a hydrophobic eight-carbon alkyl tail—grants it exceptional amphiphilic properties. This dual nature is the cornerstone of its functionality, allowing it to interact seamlessly with both aqueous environments and lipid-based structures.
In contemporary pharmaceutical manufacturing, the demand for highly stable, ultra-pure excipients is paramount. Sodium caprylate answers this call by providing a sophisticated mechanism for protecting delicate biological molecules. Beyond its pharmaceutical prowess, its role extends deep into the realms of microbiology, where it acts as a selective agent, and into advanced chemical engineering, where it serves as a precursor for high-purity n-heptane synthesis through precise decarboxylation processes. The integration of AI-driven quality control in our manufacturing ensures that every batch of CAS 1984-06-1 meets the stringent demands of global pharmacopeias.
Core Functions & Scientific Mechanisms
1. Protein Stabilization
Acting as a critical pharmaceutical core ingredient, it inhibits the intermolecular hydrophobic aggregation of proteins. It is essential in preventing thermal denaturation and freeze-induced damage during bioprocessing. Often formulated with Sodium Acetyltryptophanate, it is indispensable for injectables such as Human Albumin and Immunoglobulins.
2. Antimicrobial Activity
Through advanced cellular interaction, it disrupts bacterial cell membrane integrity. It exhibits potent inhibitory effects against fungi and Gram-positive bacteria. This makes it highly sought after for advanced topical antifungal medications, robust preservative systems, and specialized oral care formulations.
3. Surfactant & Emulsifying
Leveraging its amphiphilic structure (hydrophilic sodium carboxylate + hydrophobic C8 alkyl group), it effectively lowers interfacial tension. It functions as a premium O/W emulsifier, dispersant, and solubilizer, characterized by its low foam profile and easy rinse-off capabilities in industrial applications.
4. pH Adjustment & Buffering
As a weakly alkaline compound, it provides precise fine-tuning of formulation pH. This buffering capacity is crucial for enhancing the overall thermodynamic stability of complex chemical systems, ensuring long-term efficacy and shelf-life of the final manufactured products.
Typical Properties & Specifications
| Item Parameter | Rigorous Specifications |
|---|---|
| Appearance | White crystals or crystalline powder |
| Identification | Meets the precise requirements |
| pH value | 8.0 ~ 10.5 |
| Water Content | ≤ 3.0% |
| Heavy metals (Pb) | ≤ 5ppm |
| Chromatographic purity | Max 0.3% single impurity; Max 0.5% total |
| Assay | 99.0 ~ 101.0% |
| Conclusion | Fully Qualified for Industrial & Pharma use |
Uncompromising Quality Standards
The specifications outlined in our data sheets are not merely guidelines; they are strict parameters enforced by state-of-the-art analytical technologies. The stringent control over Heavy Metals (≤5ppm) and Water Content (≤3.0%) ensures that our Sodium Caprylate does not introduce reactive anomalies into sensitive pharmaceutical matrices.
Furthermore, the chromatographic purity standards guarantee that organic impurities are kept to an absolute minimum (less than 0.5% total). This level of precision is vital when the chemical is utilized in biological preparations, where even trace contaminants can lead to protein denaturation or compromised efficacy of the final drug product.
Comprehensive Industry Usage
Advanced Pharmaceutical Applications: In the highly regulated pharmaceutical industry, sodium octanoate (sodium caprylate) is predominantly utilized as a crucial inactive ingredient in biological preparations. Its most notable application is in the stabilization of human albumin. During the pasteurization process of blood products, proteins are subjected to heat to inactivate potential viral contaminants. Without a stabilizer, the albumin would denature and aggregate. Sodium caprylate binds to specific hydrophobic pockets within the albumin molecule, shifting its thermal unfolding threshold and preserving its structural integrity during the 60°C heat treatment.
Microbiological Media and Strain Selection: Biologically advanced acid salts are fundamentally utilized for the specialized selection and cultivation of microbial strains. The rationale behind employing sodium caprylate over caprylic acid itself lies in the physical chemistry of the salt. Sodium salts exhibit vastly superior aqueous solubility compared to their higher-order fatty acid counterparts. Moreover, the salt form allows for precise pH modulation within the culture medium. For instance, when microbiologists cultivate specific bacterial strains capable of metabolizing octanoic acid, sodium octanoate is the preferred additive, providing a readily available carbon source while maintaining osmotic and pH balance.
Chemical Synthesis and Decarboxylation: Beyond biology, CAS 1984-06-1 serves as an important intermediate in organic chemistry. Through controlled decarboxylation processes, sodium octanoate can be utilized to synthesize high-purity n-heptane. This reaction pathway is highly valued in settings where synthesizing ultra-pure aliphatic hydrocarbons is required, free from the typical isomeric contaminants found in petroleum-derived solvents.
Cosmetic and Personal Care Integration: While its pharmaceutical uses are paramount, the amphiphilic nature of sodium caprylate makes it an excellent candidate for advanced cosmetic formulations. It acts as a mild, low-foaming surfactant and an effective co-emulsifier. Its inherent antimicrobial properties also contribute to the overall preservation system of creams and lotions, reducing the reliance on traditional, sometimes controversial, synthetic preservatives.
Packaging, Storage & Handling Protocols
Standard Packaging
Format: 25kg / fiber drum with double PE inner liner.
Our packaging is designed to withstand global logistics while maintaining the absolute purity of the chemical. The robust fiber drum protects against physical impact, while the specialized Polyethylene (PE) liner acts as an impermeable barrier against moisture and atmospheric contaminants, ensuring the product remains free-flowing and uncompromised.
Storage Requirements
Environment: Cool, dry, and strictly sealed.
To maximize shelf life and preserve the crystalline structure, Sodium Caprylate must be stored at room temperature in a well-ventilated facility. It is inherently sensitive to moisture (hygroscopic tendencies) and must be rigorously protected from strong oxidants to prevent unwanted chemical degradation.
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