Description

4-Hydroxy-6-(Sulfomethylamino)Naphthalene-2-Sulfonic Acid is a specialized naphthalene sulfonic acid derivative that serves as a key intermediate in the synthesis of dyes and pigments. Its molecular structure, featuring both sulfonic acid and sulfomethylamino groups, provides excellent water solubility and reactivity, making it valuable for creating colorants with specific properties. This compound is primarily utilized by manufacturers in the dye and chemical synthesis industries who require high-purity intermediates for consistent batch production.

Application

• Primary Intermediate for Dyes & Pigments: A crucial building block in the synthesis of acid dyes, direct dyes, and reactive dyes, particularly for textiles like wool, silk, and nylon.
• Chemical Synthesis Reagent: Used in organic synthesis to introduce sulfonic acid functionality and create more complex aromatic compounds.
• Research & Development: Serves as a standard or starting material in R&D labs for developing new colorants and functional chemicals.
• Specialty Chemical Manufacturing: Employed in the production of optical brighteners, fluorescent whiteners, and other performance chemicals.

Basic Information

Product Name	4-Hydroxy-6-(Sulfomethylamino)Naphthalene-2-Sulfonic Acid
CAS No.	6259-56-9
Molecular Formula	C11H11NO7S2
Molecular Weight	333.34 g/mol
Synonyms	6-(Sulfomethylamino)-4-hydroxy-2-naphthalenesulfonic acid; 4-Hydroxy-6-[(sulfomethyl)amino]-2-naphthalenesulfonic acid; 2-Naphthalenesulfonic acid, 4-hydroxy-6-[(sulfomethyl)amino]-; 6-Amino-4-hydroxy-2-naphthalenesulfonic acid N-(sulfomethyl); 1-Hydroxy-3-(sulfomethylamino)-7-naphthalenesulfonic acid; Acid Yellow 76 intermediate; C.I. 18850 intermediate
EINECS	228-418-6

Quality Control

Our production of 4-Hydroxy-6-(Sulfomethylamino)Naphthalene-2-Sulfonic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment, guaranteeing traceability and compliance with industry standards for chemical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and organic solvents. Due to its chemical nature, the material should be handled in accordance with good industrial hygiene and safety practice.

Specification

Item	Specification
Appearance	Light yellow to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 5.0%

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