Audited Supplier
CAS NO | 131-57-7 |
Assay | 99% min |
Appearance | White or light yellow crystalline powder |
Molecular formula | C14H12O3 |
Molecular weight | 228.24 |
Assay | 99% min |
Loss on drying | 0.2% max |
Melting point | 62-65°C |
Heavy metals | 5 ppm max. |
Burnt Residue | 580 min |
Turbidity | 0.1 max |
Package | Packed in 25kgs fiber drum with double PE liners, |
UV Absorbance Max at 288 nm | 630 min. |
Total Aerobi Count | 100 CFU/g max |
Total Leaf Mold | 300 CFU/g max |
Package | Packed in 25kgs fiber drum with double PE liners |
UV Absorber BP-3 (CAS 131-57-7) is very compatible with plastic optical lens materials, especially for pvc, polyester, crylic acid, resin, polystyrene and so on, and highly effective as an ultraviolet light absorber (UV screen) for these products. It also provides improved stability in cosmetics and perfumes and improves colors in various applications. It has a very broad ultraviolet light (UV) absorption band which extends into the UV-A range.
Storage: UV Absorber BP-3 (CAS 131-57-7) should be stored in a closed system and be kept in a dark place without any light exposure.
Transportation: Avoid upside down, sunlight, wet and crash , avoid damage the package. UV Absorber BP-3 (CAS 131-57-7)can be safely handled without any irritation caused to the skin.
Certificate of Analysis
| Batch Number | Z20190412001 | ||
| Production Date | 2019.04.12 | ||
| Batch Quantity | 80 KGS | ||
| Item | Test Standard | Testing Result | |
| Appearance | Powder | Complies | |
| Color | light yellow crystalline powder | Complies | |
| Particle Size | 100% pass 80 mesh | Complies | |
| Oder | Characteristic | Complies | |
| Taste | Characteristic | Complies | |
| Loss on Drying | ≤5.0% | 2.20% | |
| Residue on Ignition | ≤0.1% | 0.05% | |
| Residual acetone | ≤0.1% | Complies | |
| Residual Ethanol | ≤0.5% | Complies | |
| Heave Mentals | ≤10ppm | Complies | |
| Na | ≤0.1% | <0.1% | |
| Pb | ≤3 ppm | Complies | |
| Total Plate | <1000CFU/g | Complies | |
| Yeast & Mold | <100 CFU /g | Complies | |
| E. Coli | Negative | Complies | |
| Salmonella | Negative | Complies | |
| Conclusion: Conform with USP Standard | |||
Storage:Closed container. dry & cool. keep away from moisture &strong light
Shelf life:24 Months
Shipping Options as follows
| EMS | Around 7-10 working days |
| DHL | Around 3-5 working days |
| Fedex | Around 4-6 working days |
| TNT | Around 6-7 working days |
| By Air | Around 5-7 working days |
| By Sea | Around 15-30 working days |
These Certificates are available, SGS, Halal, Kosher, USDA (Organic) 
