久久综合九色综合欧美狠狠,欧美日本免费一区二区三区,强奷漂亮少妇高潮A片久久,免费a级毛片无码

Key products
Products
7-Methyl-1,3-Benzoxazine-2,4-dione；7-methyl-2H-[1,3]benzoxazine-2,4(3H)-dione
Name:           7-Methyl-1,3-Benzoxazine-2,4-dione；7-methyl-2H-[1,3]benzoxazine-2,4(3H)-dione
CAS No:           24088-77-5

Appearance:white to off-white powder

Purity: 98.0%min.

4-methylsalicylamide:1.0 %max.

Chloride:100ppm

Moisture:0.5%max.

Package:25kgs cardboard durm
【Back】