Description

Sodium 2-Amino-1,4-Benzenedisulfonate is a versatile aromatic sulfonate salt widely used as a key intermediate in the synthesis of dyes, pigments, and specialty chemicals. Its disulfonate and amino functional groups make it a valuable building block for creating water-soluble and color-fast compounds. This product is essential for manufacturers in the dye and pigment industries, as well as for research and development in fine chemical synthesis.

Application

• Dye Intermediate: A critical precursor in the manufacture of acid dyes, direct dyes, and reactive dyes, contributing to color strength and solubility.
• Pigment Synthesis: Used in the production of organic pigments, particularly azo pigments, where it acts as a sulfonating agent to enhance properties.
• Chemical Intermediate: Serves as a building block for more complex sulfonated aromatic compounds used in various specialty chemical applications.
• Research & Development: Employed in academic and industrial R&D labs for synthesizing novel sulfonated molecules with potential applications in materials science.
• Water Treatment Chemicals: Can be utilized in the synthesis of certain dispersants or scale inhibitors due to its anionic character.

Basic Information

Item	Detail
Product Name	Sodium 2-Amino-1,4-Benzenedisulfonate
CAS No.	24605-36-5
Molecular Formula	C6H5NNa2O6S2
Molecular Weight	273.21 g/mol
Synonyms	2-Amino-1,4-benzenedisulfonic acid disodium salt; 4-Amino-m-benzenedisulfonic acid disodium salt; 1,4-Benzenedisulfonic acid, 2-amino-, disodium salt; Sodium 4-aminobenzene-1,3-disulfonate; 2-Aminobenzene-1,4-disulfonate disodium salt
EINECS	Contact for details

Quality Control

Our Sodium 2-Amino-1,4-Benzenedisulfonate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters are available for every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and handling.

Specification

Item	Specification
Appearance	Off-white to light brown powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Water Content	≤ 5.0%
pH (5% solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.