亚洲无码 黄色片_A级黄片毛片毛片毛片_在线观看片a免费不卡看片_91在线亚洲第一区精品

Name:Terephthalylidene dicamphor sulfonie acid

CAS NO:90457-82-8

Molecular formula:C₂₈H₃₂Na₂O₈S₂

Molecular weight:606.66

Purity(%):98

Melting point(°C):NA

Application: An ultraviolet absorber used in the production of cosmetics.