2,2',4,4'-Tetrahydroxybenzophenone
- CAS No.131-55-5
- GradeIndustrial / Pharmaceutical
- Availability● In Stock
High-purity UV absorber and photoinitiator designed for advanced coatings, polyester, and cosmetic formulations.
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Product Overview
2,2',4,4'-Tetrahydroxybenzophenone, commonly known as Photoinitiator Bp-2 or Benzophenone-2, is a highly effective ultraviolet absorber utilized across diverse industrial sectors. This compound serves as a critical functional additive designed to protect materials from UV-induced degradation. Our manufacturing process ensures exceptional purity levels, making it suitable for demanding applications in polymer stabilization, surface coatings, and personal care formulations.
As a leading supplier in the specialty chemicals market, we provide this material with consistent quality assurance. The chemical structure allows for efficient absorption of harmful UV radiation, thereby extending the lifespan and maintaining the aesthetic integrity of the end products. Whether used in industrial resins or consumer-facing cosmetic items, this photoinitiator delivers reliable performance.
Key Specifications
Quality control is paramount in our production facility. Each batch undergoes rigorous testing to meet international standards. The physical and chemical properties are strictly monitored to ensure compatibility with various formulation systems. Below are the typical specifications for our premium grade material:
| Parameter | Specification |
|---|---|
| Appearance | Light yellow green crystalline powder |
| Assay | ≥99.0% |
| Melting Point | 195.00-202.00 °C |
| Loss on Drying | ≤0.50% |
| Turbidity | ≤12 NTU |
| Color (Gardner) | ≤3.0 |
| Specific Extinction (345nm) | ≥580 |
Industrial Applications
The versatility of 2,2',4,4'-Tetrahydroxybenzophenone makes it a preferred choice for multiple industries. In the polymer sector, it is widely incorporated into polyester systems to prevent yellowing and structural weakness caused by sunlight exposure. The coatings industry relies on this additive to enhance the durability of paints and varnishes, ensuring long-term protection for surfaces exposed to harsh environmental conditions.
Furthermore, the textile industry has increasingly adopted this compound for fabric treatments, providing UV protection to clothing and technical textiles. In the realm of personal care, it is recognized for compliance with regulatory standards for sunscreen applications, offering safe and effective UV filtering capabilities. Our clients value its stability and ease of integration into complex formulations.
Quality Assurance and Storage
We maintain a robust quality management system to guarantee product consistency. Certificates of Analysis (COA) are provided with every shipment to verify compliance with specified parameters. Proper storage is essential to maintain the integrity of the chemical. We recommend storing the material in a cool, dry, and well-ventilated area. Containers should remain tightly closed when not in use to prevent moisture absorption and contamination.
Our logistics network supports global distribution, ensuring timely delivery while adhering to all transport safety regulations. As a dedicated partner in the chemical supply chain, we offer technical support to assist with formulation challenges and optimization. Choose our premium grade UV absorber for reliable performance and superior protection in your industrial applications.
