Benzophenone-4 with Cas 4065-45-6
What is Benzophenone-4?
Benzophenone-4 belongs to the benzophenone class 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. Sunscreen is usually applied to the surface of the skin and has a sunscreen effect to protect the skin. UV absorber BP-4 has the advantages of good light and heat stability, and is widely used in sunscreen cosmetics such as sunscreen cream, cream, honey, lotion, oil, etc. It can also be used as a UV absorber in other water-soluble inks, coatings, etc.
Runtai chemical is a Professional China Manufacturer for Benzophenone-4 with high quality and cheap price. If you interest our BP-4, feel free to contact us for free sample!
Recommended
Dosage:exact dosage should be subject to customer’s finial product formulation.
Benzophenone-4 Quick Details
- Chemical Name:Benzophenone-4
- CAS No.: 4065-45-6
- EINECS: 223-772-2
- Molecular Fomula: C14H12O6S
- Molecular weight: 308.31
- Appearance:off-White or light yellow powder
- Assay: 99.5%min
- Synonyms:Uvistat1121;UVABSORBERHMBS;TIMTEC-BBSBB002961;spectra-sorbuv284;2-HYDROXY-4-METHOXYBENZOPHENONE-5-SULFONICACID;2-HYDROXY-4-ChemicalbookMETHOXYBENZOPHENONE-5-SULFONICACIDHYDRATE;2-HYDROXY-4-METHOXY-5-SULFOBENZOPHENONE;2-HYDROXY-4-METHOXY-5-SULFONYLBENZOPHENONE;2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid
Typical Properties
| Item | Specification | Results |
| Appearance | Off-white to light yellow crystalline powder,free of foreign matter | Conforms |
| Odor | Faintly characteristci odor | Conforms |
| Identification | UV absorptivities do not differ by more than 3.0% | Conforms |
| Melting Point | ≥140℃ | 181.1℃ |
| Specific extinction(1%,1cm) | E285:460-490
E325:285-315 |
480
292 |
| PH | 1.2-2.2 | 1.6 |
| Turbidity in water | ≤4.0EBC | 0.38EBC |
| Gardner color | 2.0 | 0.8 |
| Purity(HPLC) | ≥99.5% | 99.96% |
| Assay(Titration) | 97.0-103.0% | 99.52% |
| Total impurities | ≤0.5% | 0.02% |
| Water | ≤2.0% | 0.28% |
| Residual solvents | Conforms | Conforms |
| Conclusion | The results conforms with USP standards | |
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Applications
- Widely used as anti ultraviolet finishing agent in sunscreen cosmetics such as sunscreen, cream, honey, lotion, oil, etc
- It has good anti-aging and softening effects on cotton fabrics and polyester fibers.
- It can also be used as a UV absorber in other water-soluble inks, coatings, etc
Package & Storage
- Package: 1KG/BAG;25kg/drum
- Storage: Store in a cool place and keep it sealed to avoid direct sunlight.
