精品一区免费观看,日本伊人色,亚洲第一页乱,亚洲视频精品一区,日本一级特黄aa大片,亚洲福利视频网址,久久夜色精品国产欧美一区麻豆

TEL: +86-13306147133
Contact Us

o-Phthalaldehyde

Product category Aromatic Aldehyde Series
CAS No. 643-79-8
Assay 0.99
Property Yellow to light yellow particles
Uses Pharmaceutical intermediate, the latest effective and safe antibacterial disinfectant for external use
Package 25KG kraft paper bag
Structural formula o-Phthalaldehyde