Congo Red

Catalogue Number: S6065-SEL

Manufacturer:Selleck Chemicals
Molecular Formula:C32H22N6Na2O6S2
Type:Fluorescent Reagents
Alias:Direct Red 28
Shipping Condition:Blue Ice
Unit(s): 25 mg

Additional Text

Short Description

Congo Red (Direct Red 28) is an indicator dye that is blue-violet at pH 3.0 and red at pH 5.0. It is an acid dye used in testing for hydrochloric acid in gastric contents but has carcinogenic properties.

Smile String

C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]

Storage Note

3 years -20°C powder