2-Naphthylamine-5,7-disulfonic Acid Supplier – 95% Min Purity Dye Intermediate for Industrial and Chemical Research | CAS 118-33-2 | Finetech Industry Limited

1. Product Overview

2-Naphthylamine-5,7-disulfonic acid (CAS 118-33-2) is an amino-substituted naphthalene disulfonic acid used as an important intermediate in dye chemistry and the preparation of specialty aromatic compounds. It is also known as 6-amino-1,3-naphthalenedisulfonic acid and Amino J-acid.

The molecule contains a naphthalene aromatic ring, one amino group, and two sulfonic acid groups. This combination of functional groups makes it a useful starting material for chemical transformations involving aromatic amines and sulfonated aromatic compounds.

Finetech Industry Limited supplies 2-Naphthylamine-5,7-disulfonic acid (FT-0653622) with a specified purity of 95% minimum, suitable for industrial chemical applications, dye intermediate development, and related research activities.

2. Product Specifications

3. Chemical Characteristics and Structural Features

2-Naphthylamine-5,7-disulfonic acid is characterized by its functionalized naphthalene structure. The aromatic amino group provides a site for further chemical modification, while the two sulfonic acid groups contribute to the compound's polar character and influence its solubility and behavior in aqueous chemical systems.

Several structural features are relevant to its chemical applications:

1. Naphthalene aromatic framework: Provides a stable aromatic structure for the development of substituted aromatic compounds.
2. Amino functionality: Offers a reactive site for transformations involving aromatic amine chemistry.
3. Two sulfonic acid groups: Introduce strong acidic and polar characteristics, which are important in the chemistry of water-soluble aromatic intermediates.

These structural properties make the compound useful in the preparation and investigation of sulfonated aromatic materials.

4. Research and Industrial Applications

4.1 Dye Intermediate Synthesis

One of the principal applications of 2-Naphthylamine-5,7-disulfonic acid is in dye intermediate chemistry. Amino-substituted naphthalene sulfonic acids are important starting materials for the preparation of specialized dye intermediates and related aromatic colorant compounds.

Its functional groups provide opportunities for further transformations in the development of sulfonated dye structures.

4.2 Preparation of J-Acid and Related Compounds

2-Naphthylamine-5,7-disulfonic acid is reported as an intermediate in the preparation of J-acid and other related naphthalene sulfonic acid derivatives. These compounds are relevant to the manufacture and development of selected dye intermediates.

The availability of this starting material supports chemical process development and research involving substituted naphthalene sulfonic acids.

4.3 Aromatic Amine and Sulfonic Acid Chemistry

The combination of an aromatic amino group and multiple sulfonic acid functionalities makes this compound a useful material for studying reactions involving functionalized aromatic systems.

It can serve as a starting material in research on aromatic substitution, functional group transformations, and the synthesis of other sulfonated organic compounds.

4.4 Specialty Chemical and Process Development

For industrial chemical development, 2-Naphthylamine-5,7-disulfonic acid may be used in the investigation and optimization of synthetic routes to specialty aromatic intermediates. Its established role in dye chemistry makes it relevant to process research and the development of related chemical products.

5. 2-Naphthylamine-5,7-disulfonic Acid Supply from Finetech Industry Limited

Finetech Industry Limited supplies 2-Naphthylamine-5,7-disulfonic acid (CAS 118-33-2) for industrial chemical applications and research purposes.

Our available packaging options include:

1. 50 g
2. 100 g
3. 500 g
4. 1 kg

The product is supplied with a specified purity of ≥95%. LC-MS and ¹H-NMR are used for product identification and analytical characterization.

Customers requiring larger quantities or customized supply arrangements are welcome to contact our team for availability, specifications, and quotations.

6. Why Choose Finetech Industry Limited?

Finetech Industry Limited provides specialty chemical reagents, organic intermediates, and custom chemical sourcing services for research and industrial customers.

We focus on:

1. Specialty Chemical Supply: A broad range of organic intermediates and functionalized chemical building blocks.
2. Analytical Support: Product identification and characterization information according to the applicable product specification.
3. Flexible Packaging: Multiple package sizes to support different purchasing requirements.
4. Custom Sourcing: Support for customers seeking specific chemical intermediates and customized supply arrangements.
5. Professional Service: Responsive communication and support throughout the sourcing and purchasing process.

7. Contact Finetech Industry Limited

For quotations, technical information, or purchasing inquiries about 2-Naphthylamine-5,7-disulfonic acid (CAS 118-33-2, FT-0653622), please contact Finetech Industry Limited.

Website: https://www.finetechnology-ind.com/

Finetech Industry Limited – Your Partner for Specialty Chemical Reagents and Custom Chemical Sourcing.