6-Amino-1-naphthol-3-sulfonic acid Purity 98.0% Industrial Grade Dye Intermediates

6-Amino-1-naphthol-3-sulfonic acid CAS 87-02-5 | Dye Intermediates

6-Amino-1-naphthol-3-sulfonic acid (CAS 87-02-5, EINECS 201-718-9, molecular formula C10H9NO4S, molecular weight 239.25) is a dye intermediate product. Naphthalene-series dye intermediate used to synthesize direct, acid and reactive dyes (e.g., Direct Fast Blue and Reactive Red series); a common coupling component for deep-shade dyes on cellulosic fibers.

I. Basic Product Information

II. Technical Specifications & Supply Information

III. Applications

Naphthalene-series dye intermediate used to synthesize direct, acid and reactive dyes (e.g., Direct Fast Blue and Reactive Red series); a common coupling component for deep-shade dyes on cellulosic fibers.

IV. Quality & Supply Assurance

1. Stable batch-to-batch quality, with batch-by-batch inspection before shipment; a COA is provided with each delivery for full traceability;

2. Standard grades held in stock for fast delivery; bulk custom packing and long-term agreement supply supported;

3. Samples available on request, with third-party testing (e.g., SGS) to support incoming-material verification;

4. Our product line covers dye, pharmaceutical, agrochemical and organic pigment intermediates — a one-stop source for multi-category raw materials.

V. Frequently Asked Questions (FAQ)

Q: What are the CAS number and molecular formula of 6-Amino-1-naphthol-3-sulfonic acid?

A: 6-Amino-1-naphthol-3-sulfonic acid has CAS registry number 87-02-5, molecular formula C10H9NO4S, molecular weight 239.25 and EINECS number 201-718-9.

Q: What are the main uses and applications of 6-Amino-1-naphthol-3-sulfonic acid?

A: Naphthalene-series dye intermediate used to synthesize direct, acid and reactive dyes (e.g., Direct Fast Blue and Reactive Red series); a common coupling component for deep-shade dyes on cellulosic fibers.

Q: What are the standard purity and grade of 6-Amino-1-naphthol-3-sulfonic acid?

A: Standard supply purity ≥98.0% (HPLC, dry basis), grade Industrial Grade; custom assay and special specifications available on request — exact figures are per the batch COA.

Q: What are the packing specifications and minimum order quantity (MOQ) of 6-Amino-1-naphthol-3-sulfonic acid?

A: Standard packing: 25 kg woven bag / fiber drum. Samples available on request and custom packing supported; bulk orders can be delivered in batches per agreement.

Q: Can you provide COA, MSDS and other quality documents?

A: Naphthalene-series dye intermediate used to synthesize direct, acid and reactive dyes (e.g., Direct Fast Blue and Reactive Red series); a common coupling component for deep-shade dyes on cellulosic fibers.

Q: How should 6-Amino-1-naphthol-3-sulfonic acid be stored and transported?

A: Naphthalene-series dye intermediate used to synthesize direct, acid and reactive dyes (e.g., Direct Fast Blue and Reactive Red series); a common coupling component for deep-shade dyes on cellulosic fibers.

VI. Keywords

6-Amino-1-naphthol-3-sulfonic acid, J Acid, 6-Amino-1-naphthol-3-sulfonic acid, 2-Amino-5-naphthol-7-sulfonic acid, 87-02-5, Dye Intermediates