🌞 Benzophenone-4 (BP-4)
High-Performance Water-Soluble UV Absorber for Sunscreen & Cosmetics
⭐ Product Description
Benzophenone-4, also known as Sulisobenzone, is a water-soluble broad-spectrum UV absorber widely used in sunscreens, daily-care cosmetics, hair products, and personal care formulations. It provides strong protection against UVA & UVB radiation and prevents product discoloration caused by light exposure.
Chemical Name: 2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid
CAS No.: 4065-45-6
Molecular Formula: C14H12O6S
Molecular Weight: 308.30 g/mol
INCI Name: Benzophenone-4
💡 Applications
Sunscreen lotions & creams
Facial SPF products
Shampoo & hair protection products
Daily skincare (moisturizers, toners, serum with UV protection)
Color-protection in cosmetic formulations
UV stabilizer for detergents & plastics
📦 Typical Specifications
| Item | Specification |
|---|---|
| Appearance | Off-white to light yellow powder |
| Purity | ≥ 98% |
| Melting Point | 140 – 144 °C |
| Loss on Drying | ≤ 1.0% |
| Odor | Odorless |
| Solubility | Easily soluble in water |
| Heavy Metals | ≤ 10 ppm |
COA / MSDS / TDS available on request.
💎 Key Features & Benefits
Water-soluble, perfect for transparent or water-based formulations
Broad UVA/UVB protection for reliable sun care performance
Photostable and enhances stability of other UV filters
Prevents discoloration in cosmetic and detergent products
Safe & widely used in global personal care markets
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