CAS:4065-45-6
Synonyms: Uvistat 1121;UV ABSORBER HMBS;5-BENZOYL-4-HYDROXY-2-METHOXYBENZENESULFONIC ACID;TIMTEC-BB SBB002961;SULISOBENZONE;spectra-sorb uv 284;2-HYDROXY-4-METHOXYBENZOPHENONE-5-SULPHONIC ACID;Uv absorber BP-4(UV-284)
Molecular Formula:C14H12O6S
Molecular Weight:308.31
Appearance:Off-White Powder
EINECS:223-772-2
Product Categories:Health care&household care UV
UV absorber BP-4 belongs to the benzophenone class of compounds. It is white or light yellow powder at room temperature, which can effectively absorb 285~325Im of ultraviolet light. It is a kind of broad spectrum ultraviolet absorber with high absorption rate, non-toxic, no photosensitization, no teratogenicity, and good light and heat stability. It is widely used in sunscreen, honey, lotion, oil and other cosmetics.
| ITEM
分析项目 |
STANDARD
技术指标 |
| 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 |
1.As a UV resistant finishing agent, it has good anti-aging and softening effects on cotton and polyester fibers.
3 can also be used as a UV absorber in other water-soluble inks, coatings, etc
25kg/bag or requirement of clients. Keep it in cool space.
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