特级赤裸A片免费看|亚洲最大的黄色在线|天堂av成人欧美影院啊啊啊|中国日屄特黄一级免费毛片|亚洲一区自慰网站|能图片无吗片在线超碰1|国产黄片a级无码|国内少妇毛片视频|嫩草AV无码精品一区三区|欧美日韩在线资源

Dafeng Tiansheng Pharmaceutical Co., Ltd.(Dafeng Huashu Pharmaceutical Co., Ltd.)
Bulk drug
Intermediate
ODA
UV adsorbent
Photoinitiator
Antioxidant
Light stabiliser
Antioxidant 2246
CAS No.: 119-47-1
Chemical name: 2,2'-methylenebis(6-tert-butyl-4-methyl-phenol)
Molecular formula: C23H32O2
Molecular weight: 340.5
Structural formula:
Technical index:
appearance white crystal powder
content(GC) 99.0%min
melting point 123-133℃
volatile matter 0.25%max
ash content 0.1%max
Application:

Antioxidant 2246 is common used powerful phenols antioxygen. It is fine pollution free antioxygen. It is used in natural glue, synthetic glue, ABS, polyene plastics and other synthetic material.

Packaging: 20kg fiber can or according to customer requirement
Storage: in seal, in dry and in dark
    Back
  Home | About Us | Products | News | Honors | Jobs | Facility | Order | Contact Us | 中文版 【Admin】
Copyright(C)2014, Dafeng Tiansheng Pharmaceutical Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle Copyright Notice