熟妇人妻久久中文字幕_国内免费露脸自拍_亚欧无码视频在线观看播放_AV中文字幕综合在线-综合一区二区_亚洲精品国产福利在线观看_欧洲精品色在线观看_久久综合给合久久狠狠狠88

Products

4,4'-Diamino Diphenyl Sulfone
CAS NO. 80-08-0
Category Intermediates for advanced composite materials
Chemical Name 4,4'-Diamino Diphenyl Sulfone
Molecular Formula C12H12N2O2S
Molecular weight 248.30
Structure
Standard

Company standard

Packing 25kg fibre drums or  as per requirements
Specifications Appearance: white crystalline powder
Purity: ≥99.5% MIN(HPLC)
Melting point:≥177
Loss on drying: ≤0.5%
Application Material for polysulfone amide and other polymers Epoxy hardener Adhesives Gas chromatography Anti-leprosy drug