澳门太阳游戏城app(官方)ios/Android/通用版

澳门太阳游戏城app(官方)ios/Android/通用版


Mesitylene


Item
Top grade
First grade
Qualified product
Test basis
Appearance
White crystal
White crystal
White or light yellow crystal
Enterprise Internal Control
Mass fraction of 1,2,4,5-Tetramethylbenzene, w /% ≥
99
98
95
Melting point, ℃ ≥
78
77
75