国产69久久精品成人看,九九精品视频在线播放,欧美亚洲国产第一精品久久下载,国产末成年女av片

Key products
Products
4-methylsalicylic acid
Name:           4-methylsalicylic acid
CAS No:           50-85-1

Appearance:White to off-white crystalline powder

Assay:99.0%min.

Melting Point:174.0-178.0D.C..

Moisture:0.5 %max.

Packing: 25kgs cardboard drum

Back