Overview
Sodium Usnate is a sodium salt derived from usnic acid, a naturally occurring compound found in lichens such as Usnea barbata. It is widely used as an additive due to its antimicrobial and preservative properties. The compound is particularly valued in industries requiring natural or semi-synthetic preservatives. Its applications span pharmaceuticals, where it is used in topical treatments for infections, and cosmetics, where it acts as a preservative and active ingredient. In food preservation, Sodium Usnate is employed to extend shelf life while maintaining product safety.
Physical and Chemical Properties
Sodium Usnate appears as a yellow to brownish powder with a molecular weight of 366.3 g/mol. It is soluble in water and ethanol, making it versatile for various formulations. The compound has a melting point of approximately 200-204°C, indicating moderate thermal stability. Key chemical properties include its antibacterial, antifungal, and anti-inflammatory effects. These are attributed to its ability to disrupt microbial cell membranes and inhibit enzyme activity. Its stability under typical storage conditions makes it suitable for long-term use in commercial products.
Main Applications
In pharmaceuticals, Sodium Usnate is used in topical ointments and creams to treat bacterial and fungal infections. Its anti-inflammatory properties also make it useful in wound care products. The compound is often preferred for its natural origin and efficacy. The cosmetics industry utilizes Sodium Usnate as a preservative in creams, lotions, and deodorants. Its ability to inhibit microbial growth helps maintain product integrity. Additionally, it is incorporated into food preservation systems, particularly in natural and organic products, to prevent spoilage without synthetic additives.
Safety and Storage
Sodium Usnate should be handled with care to avoid inhalation or direct skin contact. Protective equipment such as gloves and masks is recommended during handling. The compound is generally stable but should be stored in a cool, dry place away from light to prevent degradation. Regulatory guidelines vary by region, so compliance with local safety standards is essential. In case of accidental exposure, rinse affected areas with water and seek medical advice if irritation persists. Proper storage ensures the compound retains its efficacy over time.
B2B Procurement Guide
When procuring Sodium Usnate, verify the supplier's certifications and product purity, typically ranging from 95% to 99%. Bulk purchases often qualify for discounts, making it cost-effective for large-scale applications. Ensure the supplier complies with Good Manufacturing Practices (GMP) and relevant regulatory standards. Request samples for quality testing before committing to large orders. Key factors to evaluate include solubility, color consistency, and absence of contaminants. Reliable suppliers should provide Material Safety Data Sheets (MSDS) and technical support for product integration.
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