手机看片基地,国产一区二,欧美亚洲电影,欧美激情二区,18以上岁毛片在线播放,18美女福利视频网站免费观看,国产一级特黄aaaa大片野外

1,4-dimethoxybenzene

Molecular formula	C8H10O2
Structural formula
Properties	Colorless crystal, melting point 56 ° C, boiling point 212.6 ° C, specific gravity 1.05, insoluble in water, soluble in benzene, alcohol, ether, etc., will change color in the air
Use	Used as an organic chemical intermediate for the production of pharmaceutical methoxyamine hydrochloride, dye black salt ANS, etc., also used as a fixative
Packing	200KGS plastic drum or 25KGS cardboard drum
Production Capacity	500 tons / year