Mainly produces a series of intermediate products based on naphthalene and benzene

                  +中文版+   +ENGLISH+

                  PRODUCTS

                  Ultraviolet absorbent V-531
                  Synonyms Ultraviolet absorbent UV-531, Benzophenone-12
                  CAS NO 1843-05-6
                  Structural formula
                  Molecular weight 326.43
                  Molecular Formula C21H26O3
                  Indicators

                  Appearance:light yellow crystal powder
                  Melting point: 47.0-49.0℃
                  Content: ≥99.0%
                  Ash: <0.1%
                  Light transmittance:  (450nm):>90%
                  (500nm): >95%
                  Packing: paper drum 25kg/drum
                  Storage: airproof and avoid light
                  Use: It is excellent high-effective anti-aging assistance. It is widely used in PE, PVC, PP, PS, PC, organic glass and others.
                  Valid period: 2 years

                  HOME  |   ABOUT US  |   PRODUCTS  |   NEWS  |   FACTORY  |   CONTACT  |   中文版

                  Add:Room 401-418, Building 18, Changjiang Plastics Chemical Market, 600 Tongjiang Middle Road, Xinbei District, Changzhou City
                  E-mail:xinyan_gu@changyuchem.com

                  International Trade:
                  Tel: +86-519-85481997/81187592/85761005
                  Fax: +86-519-85484533/85761018

                  Domestic Trade:
                  Tel: +86-519-85481743/85772200/85761002
                  Fax: +86-519-85481030/85761058

                  Copyright(C)2019, Changzhou Chungang Chemical Co., Ltd. All Rights Reserved. Supported by ChinaChemNet ChemNet Toocle Copyright Notice 備案字號:蘇ICP備11031745號

                  明星换脸范冰冰在线日韩,一区国产二区欧美三区日韩Av,亚洲国产制服丝袜先锋,老汉色老汉首页影院,国产欧阳娜娜换脸AV,亚洲 欧美 国产 综合首页,亚洲国产韩国欧美在线不卡