logo
Banner

Pigment Red 63

Catalog Number DYE-PIG-0457
CAS Number 21416-46-6
Structure
Molecular Weight 466.38
Molecular Formula C21H12N2Na2O6S
Alternative CAS 1325-13-9
CI Number C.I.15880
Color red
Main Molecular Structure Double azo
Preparation Method 2-Aminonaphthalene-1-sulfonic acid diazotization, and 3-Hydroxy-2-naphthoic acid coupling.
Properties Insoluble in water and difficult to soluble in ethanol. Pigment solution to join concentrated hydrochloric acid have blue light red precipitation; Join concentrated sodium hydroxide solution turn yellow.

It is important to note that our products are for research use only and are not for clinical use.

Online Inquiry
Verification code