0102030405
UV Absorber Benzophenone-2 / Bp-2 UV-284 (Benzophenone-4) CAS 131-55-5
Properties
Melting point: 198 - 200 °C (lit.)
Boiling point: 349.21°C
Density: 1.216
Refractive index: 1.4825
Storage temp.: Sealed in dry, Room Temperature
Solubility: Slightly soluble in DMSO (sonicated), slightly soluble in methanol, slightly soluble in water
Pka: 6.98±0.35
Form: Solid
Color: Needles from H2O
Specification
Items |
Specifications | |
| Appearance | Yellow crystalline powder |
|
| Assay | 99.0% min | |
| Unsulphated Matter | 2.5% max |
|
Sodium Sulphate |
1.5% min |
|
Color(5%Am.aq.sol.) Klett |
20 max |
|
PH Value |
7.0-9.5 |
|
1,4-Dioxane |
50 ppm |
|
Products Usage
At present,it is widely used in plastics, resins, coatings, synthetic rubber, photosensitive materials and cosmetics industry. In recent years, the application of fabric has been paid attention yo by the textile industry, and the scope is more and more wide.
Benzophenone 2 is an effective light stabilizer for protecting plastics, coatings and cosmetics from the damaging UV radiation which is a component of natural sunlight. It is very compatible with plastic optical lens materials and is extremely useful as a UV screen in these products. In cosmetics/perfumes, the stability is improved. It stabilizes colors in various applications.
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.