2-Amino-4,8-naphthalenedisulfonic acid Industrial Grade Purity 98.0% Dye Intermediates

2-Amino-4,8-naphthalenedisulfonic acid CAS 131-27-1 | Dye Intermediates

2-Amino-4,8-naphthalenedisulfonic acid (CAS 131-27-1, EINECS 205-020-5, molecular formula C10H9NO6S2, molecular weight 303.3) is a dye intermediate product. Naphthalene-series dye intermediate used in the synthesis of acid, direct and reactive dyes; also used in organic synthesis.

I. Basic Product Information

II. Technical Specifications & Supply Information

III. Applications

Naphthalene-series dye intermediate used in the synthesis of acid, direct and reactive dyes; also used in organic synthesis.

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 2-Amino-4,8-naphthalenedisulfonic acid?

A: 2-Amino-4,8-naphthalenedisulfonic acid has CAS registry number 131-27-1, molecular formula C10H9NO6S2, molecular weight 303.3 and EINECS number 205-020-5.

Q: What are the main uses and applications of 2-Amino-4,8-naphthalenedisulfonic acid?

A: Naphthalene-series dye intermediate used in the synthesis of acid, direct and reactive dyes; also used in organic synthesis.

Q: What are the standard purity and grade of 2-Amino-4,8-naphthalenedisulfonic 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 2-Amino-4,8-naphthalenedisulfonic 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 in the synthesis of acid, direct and reactive dyes; also used in organic synthesis.

Q: How should 2-Amino-4,8-naphthalenedisulfonic acid be stored and transported?

A: Naphthalene-series dye intermediate used in the synthesis of acid, direct and reactive dyes; also used in organic synthesis.

VI. Keywords

2-Amino-4,8-naphthalenedisulfonic acid, Amino C Acid, 2-Amino-4,8-naphthalenedisulfonic acid, 131-27-1, Dye Intermediates