1. Blueprint Paper Photosensitive Material:

As the core photosensitive and color-developing component of blueprint paper, it undergoes a color-developing reaction after exposure to ultraviolet light and ammonia fumigation, generating a blue image. It is suitable for the reproduction and preservation of engineering drawings, architectural blueprints, etc., enabling efficient and accurate drawing reproduction.

2. Cotton Fabric Dyeing and Printing:

Used for dyeing and printing cellulose fibers such as cotton and linen, it acts as the diazo component of ice dyes, coupling with naphthols to form insoluble azo dyes, imparting a vibrant blue color to fabrics. It is suitable for color matching and personalized pattern design in textile dyeing and printing.

3. Fine Chemical Intermediate:

Used in the synthesis of special dyes, pigments, and photosensitive additives, its diazo group can participate in various coupling reactions, providing a basis for the preparation of complex functional compounds. It is applied in customized dye production and fine chemical synthesis.

4. Biological and Analytical Chemistry Reagent:

Used as a chromogenic reagent in biochemical research, such as for specific enzyme activity detection and biomacromolecule labeling. It can also be used in colorimetric analysis in analytical chemistry, assisting in qualitative and quantitative analysis in research and testing fields.

5. Functional Coatings and Chromogenic Materials:

Used to prepare functional materials such as coatings and films with photochromic properties, suitable for anti-counterfeiting labels, photosensitive sensors, and other fields, improving the color sensitivity and application adaptability of the materials.

6. Research and Customized Applications:

Used as a model compound in organic synthesis mechanism research for testing coupling reaction performance. It can also be customized according to specific needs for niche applications, such as coatings for miniature chromogenic devices.