Basic (Cationic) Dyes

Auramine

Bright yellow cationic coloration for industrial applications.

Auramine

Overview

Auramine is a bright yellow cationic dye commonly identified as Auramine O / Basic Yellow 2. It is suitable for selected industrial coloration applications where strong yellow coloration is required. Auramine O belongs to the diarylmethane class of cationic dyes and is notable for its strong fluorescence, a property that also makes related grades useful outside colouration as a biological stain.

Colour Reference

Appearance, dilution, and application

Auramine, appearance

Appearance

Auramine, dilution

Dilution

Auramine, application

Application

Applications

Where it is used

  • Paper and paper products
  • Selected industrial coloration
  • Cellulosic and specialty applications

Benefits

Why mills choose it

01

Bright yellow shade

02

Cationic dye chemistry

03

Strong visual coloration

04

Suitable for industrial color applications

Identity & Data

Technical data

Typical values. For a full technical datasheet or safety data sheet, get in touch.

C.I. Name
C.I. Basic Yellow 2
C.I. Number
41000
CAS Number
2465-27-2
Molecular Weight
303.83
Molecular Formula
C17H22ClN3

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