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CAS:4065-45-6
Molecular Formula:C14H12O6S
Molecular Weight:308.31
EINECS:223-772-2
Synonyms: 2-hydroxy-4-methoxybenzophenone-5-sulfonic acid bp-4; benzophenone 4 in skin care; benzophenone-4 for skin; uv-284 manufacturers
What Is Benzophenone- 4 CAS 4065-45-6?
Benzophenone- 4 CAS 4065-45-6 belongs to the benzophenone class of compounds. 2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid is white or light yellow powder at room temperature, which can effectively absorb 285~325Im of ultraviolet light. UV-284 is a kind of broad spectrum ultraviolet absorber with high absorption rate, non-toxic, no photosensitization, no teratogenicity, and good light and heat stability. Benzophenone-4 is widely used in sunscreen, honey, lotion, oil and other cosmetics.
Specification
| ITEM | STANDARD |
| Appearance | Off-White Powder |
| Purity(HPLC) | 99.50%min |
| Melting Point Deg.C | 160.0℃min |
| Dry loss | 2.0%max |
| PH,1%Aqueous Solution@25C | 1.20-2.20 |
| Gardner
colour(10% |
4.0max |
| 16.0NTU max | |
| UV absorbance
E1%cm,in water at max.285nm |
460min |
| UV absorbance
E1%cm,in water at max.325nm |
290min |
| K-Value@285nm, L/g-cm | 46.0-50.0 |
| Heavy metals as Pb | 20ppm max |
Application
1.As a UV resistant finishing agent, benzophenone-4 has good anti-aging and softening effects on cotton and polyester fibers.
2. Benzophenone- 4 CAS 4065-45-6 widely used as anti ultraviolet finishing agent in sunscreen cosmetics such as sunscreen, cream, honey, lotion, oil, etc
3. Benzophenone- 4 CAS 4065-45-6 can also be used as a UV absorber in other water-soluble inks, coatings, etc
Production.Package And Storage
25kg/bag or requirement of clients. Keep it in cool space.
