0102030405
Cosmetic Grade UV Absorber UV-9 Oxybenzone (Benzophenone-3) 131-57-7
Properties
Melting point: 62 - 64 °C (lit.)
Boiling point: 150 - 160 °C at 5 mm Hg (lit.)
Density: 1.3 g/cm³
Vapor pressure: 0.001 Pa at 25℃
Refractive index: 1.5805
Fp (Flash point): 216°C
Storage temp.: 2 - 8°C
Solubility: Soluble in 95% ethanol at a concentration of 50mg/mL, resulting in a clear, colorless solution
Pka: 7.56±0.35
Form: Crystalline Powder
Color: White to light yellow
Odor: Crystalline with a rose-like odor
Water Solubility: < 0.1 g/100 mL at 20 ºC
Specification
Items |
Specifications | |
| Appearance | Yellow powder |
|
| Purity | 99.0%min |
|
| Loss on drying | 0.5% max |
|
Heavy metals |
5ppm max |
|
Individual impurity |
0.1% max |
|
Sum of impurities |
1.0% max |
|
UV/VIS spectrum identity USP/NF |
Conforms |
|
Products Usage
This product is a high-efficienct UV radiation absorbing agent, capable of effectively absorbing UV radiation of 290-400 nm wavelength ,but it almost does not absorb visible light, particularly applicable to light-colored transparent products. It is well stable to light and heat, not decomposable below 200°C, applicable to paint and various plastic products, particular effective to polyvinyl chloirde, polystyrene, polyurethane, acrylic resin, light-colored transparent furniture, as well as to cosmetics , with the dosage of 0.1-0.5%.
It also is used as an ingredient in sunscreen and other cosmetics products.
Package And Storage
Package:
25kg/carton drum or as your requirements.
Remark: Chemical composition and size can be optimized by the customers' requirements
Storage:
Keep container closed. Store in a dry place. Do not store at elevated temperatures. Keep from freezing. Do not reuse empty container.
Safety Protection
Precautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.