- 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-531
	Chemical Name: 2-hydroxy-4-(octyloxy)benzophenone 
	Molecular formula: C21H26O3
	Molecular weight: 326
	CAS NO.: 1843-05-6
	Chemical Structural formula:
	
	Sales code: PS-531
	Appearance: light yellow crystalline powder 
	Assay: ≥ 99% 
	Melting point: 47-49℃
	Loss on dry: ≤ 0.5% 
	Ash: ≤ 0.1%
Light transmittance:
| 
					Wavelength nm | Light transmittance % | 
| 460 | ≥ 96 | 
| 500 | ≥ 97 | 

