新澳49图库资料-免费公开资料大全
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新澳49图库资料-免费公开资料大全
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