Patent Blue A

Molecular Formula
C37H33N2O6S2Na
Catalog Number
PA140
Supplier/Brand
Spectrum Chemical
CAS Number
3486-30-4

Patent Blue A is a dye for wool, silk, polyamide, soaps, and cosmetics. Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use.


Synonyms: Acid Blue 7 ; Alphazurine A

Certificates of Analysis

This service is currently unavailable!

2023