久久99精品一区二区三区,精品欧美一区二区三区免费观看,香蕉久久久,欧美福利在线,大陆毛片,看全色黄大色大黄大片,久久久久无码国产精品一区

TEL: +86-13306147133
Contact Us

Isophthalaldehyde

Product category Aromatic Aldehyde Series
CAS No. 626-19-7
Assay 0.99
Property Yellow to light yellow powder
Uses Used in Pharmaceutical intermediate, fluorescent whitening agent, etc.
Package 25KG kraft paper bag
Structural formula Isophthalaldehyde