Fast Garnet Gbc Base Azoic Diazo Component 4 Naphthol Dye for Textile

When combined with Naphthol AS, AS-D, or AS-BS, it produces rich maroon to garnet shades. It can also be used with Naphthol AS-OL for varied maroon tones. This versatility makes it a key component for deep red-brown and maroon dyeing on cotton and cellulosic fibers.

Main applications include cotton fabric dyeing and printing, viscose, silk, nylon, and acetate fibers. It is especially widely used for African Print and Wax Print fabrics. It can also be used in pigment production and as a pharmaceutical intermediate.

Fast Garnet GBC Base (ADC 4 / C.I. 37218) is positioned between Fast Scarlet GGS Base (ADC 3) and Fast Red B Base (ADC 5) in the ADC series. It produces distinctive maroon shades, while ADC 2 produces orange and ADC 5 produces red. It offers excellent light fastness (Grade 6-7), almost comparable to vat dyes.

Azoic dyeing with fast bases like Fast Garnet GBC Base is more economical than reactive dyes for producing deep shades such as maroon, blue, and yellow. The fastness properties are excellent, with light fastness Grade 6-7 approaching vat dyes.

The base form (CAS 97-56-3, C14H15N3) is the free amine, while the salt / sulfate form (CAS 101-89-3, C14H14N4O4S) is the diazonium salt. The base form is typically converted to the diazonium salt before coupling with Naphthols. The salt form is directly soluble and used in textile dyeing and as a chromogenic substrate for alkaline phosphatase in research applications.