GOYENCHEMUV-988 CAS No. 6337-43-5
- Highly efficient & colorless UV absorber
- Benzylidene-bis-malonate type UV absorber
- Long term stability
Description
Chemical Name
p-Phenylenebis(methylenemalonic acid) tetraethyl ester
CAS No.
6337-43-5
Properties
| Grade | GOYENCHEMUV-988 |
| Appearance | White to off-white powder |
| Molecular Weight | 418.45 |
| Melting Point | 138-141℃ |
| Assay (HPLC) | 99% min |
| Loss of drying | 0.5% max |
| Transmittance | |
| 425nm | 93% min |
| 500nm | 97% min |
Advantages
- Highly efficient & colorless UV absorber
- Benzylidene-bis-malonate type UV absorber
- Long term stability
Applications
- Engineering plastics: polycarbonate and polyesters
- PC
- PET
Packing
25 kg /Carton box or 25Kg/drum
