Chemical Name: Alizarin complexone
CAS No.: 3952-78-1
Molecular Formula: C19H15NO8
Molecular weight: 385.32
Appearance: White to yellow to orange or brown powder
Assay: 98%
Chemical Name: ALLURA RED AC
CAS No.: 25956-17-6
Molecular Fomula: C18H17N2NaO8S2
Molecular weight: 476.45
Appearance: Dark red uniform powder
Assay:85%min