Description
1. Product Overview
Bemotrizinol (CAS 187393-00-6), also known as Tinosorb S, is a high-performance broad-spectrum organic UV filter designed for advanced sunscreen and personal care formulations. It provides superior UVA and UVB protection with excellent photostability, making it a preferred active ingredient in premium sun care and cosmetic products. Its ability to maintain protection performance under prolonged UV exposure supports the development of long-lasting, high-efficacy formulations. As global demand for advanced photoprotection solutions continues to grow, Bemotrizinol represents a strategically important ingredient for innovative skincare and cosmetic manufacturers.
2. Key Specifications & Technical Characteristics
- Chemical Composition: Organic UV absorber belonging to the bis-ethylhexyloxyphenol methoxyphenyl triazine (BEMT) family
- CAS Number: 187393-00-6
- Molecular Formula: C38H49N3O5
- Molecular Weight: Approximately 627.8 g/mol
- Purity Grade: Cosmetic grade / UV filter grade, typically ≥98% purity
- Physical Form: Fine powder or crystalline solid
- Appearance: Pale yellow to yellow powder
- Solubility: Oil-soluble; insoluble in water
- UV Absorption Range: Broad-spectrum UVA and UVB protection (approximately 280–400 nm)
- Photostability: Excellent resistance to UV degradation, supporting long-lasting sun protection performance
- Packaging Options: 25 kg fiber drums, HDPE drums, or customized industrial packaging
- Shelf Life: Typically 24–36 months when stored in a cool, dry environment away from direct sunlight and moisture
3. Core Industrial Applications
- Sun Care Products: Used as a primary active UV filter in sunscreens, sunblocks, and SPF-enhancing formulations for broad-spectrum protection.
- Cosmetic Formulations: Applied in daily skincare products such as moisturizers, anti-aging creams, BB creams, and protective lotions requiring UV defense.
- Premium Personal Care Products: Enables manufacturers to develop high-SPF, long-wear products with improved consumer safety and performance.
- Industrial Formulation Advantages: Provides superior photostability compared with many conventional UV filters, reducing performance loss during exposure to sunlight.
- Formulation Efficiency: High absorption efficiency allows formulators to achieve effective UV protection while maintaining desirable product texture and skin feel.
4. Competitive Advantages
- High Quality Consistency: Manufactured under controlled processes to ensure reliable purity, performance, and batch-to-batch consistency.
- Supply Reliability: Supported by scalable production capabilities and dependable bulk supply solutions for global cosmetic manufacturers.
- Logistics Capability: Available in export-ready packaging with flexible shipment options for international distribution networks.
- Price Competitiveness: Offers strong value through high-performance UV protection efficiency and reduced formulation challenges.
- Sustainability Benefits: Supports the development of advanced sunscreen formulations with improved durability and reduced need for excessive active ingredient loading.
- Technical Documentation: Available with essential quality documents including COA, SDS, specification sheets, and regulatory support documentation for global markets.
- Strategic Sourcing Value: Provides manufacturers with a reliable premium UV filter solution for meeting increasing consumer demand for effective and photostable sun protection products.
5. Commercial & Supply Information
- Minimum Order Quantity (MOQ): BULK 20 MT
- Loading Capacity: Approximately 20 MT per 20-foot container (subject to packaging configuration and shipping requirements)






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