UV absorber UV-9-Professional supplier
If you want to buy UV absorber UV-9 (CAS:131-57-7), please feel free to contact: info@sancaiindustry.com
We can supply UV absorber UV-9 (CAS:131-57-7) with lowest factory price,high quality and regular basis.
Specification of UV absorber UV-9
| Items | Standard |
| Appearance | Pale greenish yellow crystalline powder |
| Identification | IR:Identical to IR Spectrum of standard |
| HPLC:The retention time of the major peak of the Sample solution corresponds to that of the Standard solution,as obtained in the assay | |
| Assay (HPLC) | 97.0-103.0% |
| Melting point | 62.0-65.0℃ |
| Congealing Temperature | ≥62.0℃ |
| Total Impurities | ≤1.0% |
| Benzophenone-1 | ≤0.2% |
| Single largest unspecified impurity | ≤0.10% |
| Residual Solvents | Ethanol≤5000 PPM |
| Odor | Similar in character and intensity to standard, very slight odor |
| UV absorption coefficient (1%, 1cm)E288 | ≥630 |
| UV absorption coefficient (1%, 1cm)E325 | ≥410 |
| Loss on drying | ≤0.2% |
| Gardner color | ≤4.0 |
| Heavy metal | ≤5 ppm |
More About UV absorber UV-9
CAS: 131-57-7
Standard: USP40
Content: 97.0-103.0%
Capacity:10MT/month
Loading port: Shanghai
Synonyms: BP-3,UV-9, Oxybenzone, Benzophenone-3
MF: C14H12O3
Use Of UV absorber UV-9
UV absorber UV-9 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%.
Package Of UV absorber UV-9
25kg/drum or according to the customers’ demand
Storage: Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and put down.
