老王亚洲福利在线观看,中文字幕无码久久一区,国产香蕉97碰碰久久人人,乱人伦中文无码视频在线观看

Chemical name:  4,4'-Oxybisbenzoic acid

CAS NO.: 2215-89-6

Structural formula:

Molecular Formula:  C₁₄H₁₀O₅

Molecular Weight:  258.23

Physicochemical properties:

Melting point:  320-340℃

Appearance :  White to off-white crystalline powder

Application:  

Used for the synthesis of insulating film materials, thermotropic liquid crystal materials ;

Used as monomer for other polymers 

Specifications