- Hangzhou Zhengshan Chemical Co., Ltd.
- Contact:Wang Peng
- Tel: +86-571-88904130 , 88837236 , 13905814006
- Fax: +86-571-86590400
- E-mail:zhengshan@zhengshan.com
- URL:www.zhengshan.com
Products
Ultraviolet absorbent UV-292
Chemical Name: Bis(1,2,2,6,6-pentamethyl-4-piperidyl) sebacate
Molecular formula: C30H56N2O4
Molecular weight: 509
CAS NO.: 41556-26-7 / 82919-37-7
Chemical Structural formula:
Sales code: PS-292
Appearance: light yellow liquid
Assay (ester): ≥ 96%
Chroma: < 50
Light transmittance: 425nm≥98% 500nm≥99%