GOYENCHEMUV-988 CAS No. 6337-43-5
- 高效能&無色UV吸收劑
- Benzylidene-bis-malonate type UV absorber
- 安定性良好
描述
化學名稱
p-Phenylenebis(methylenemalonic acid) tetraethyl ester
CAS No.
6337-43-5
物性
| 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 |
優勢
- 高效能&無色UV吸收劑
- Benzylidene-bis-malonate type UV absorber
- 安定性良好
應用
- 工程塑膠: 聚碳酸酯和聚酯
- PC
- PET
包裝
25 kg /紙箱 or 25Kg/桶
