Description

6-Dimethylamino-4-Hydroxy-2-Naphthalenesulfonic Acid is a specialized naphthalene derivative that serves as a key intermediate in the synthesis of dyes and functional organic compounds. Its molecular structure, featuring both sulfonic acid and amino-hydroxy groups, makes it a versatile building block for creating colorants with specific properties. This compound is essential for manufacturers in the dye and pigment industry, as well as for research institutions developing advanced materials and analytical reagents.

Application

• Dye and Pigment Intermediate: A crucial precursor in the synthesis of acid dyes, reactive dyes, and other colorants for textiles, leather, and paper.
• Fluorescent Probe Synthesis: Used in the development of fluorescent markers and sensors for biological and chemical detection applications.
• Analytical Reagent: Acts as a complexing agent or a chromogenic reagent in specific spectrophotometric analytical methods.
• Pharmaceutical Intermediate: Potential building block for the synthesis of certain pharmacologically active molecules.
• Research & Development: Serves as a valuable substrate in organic chemistry research for studying sulfonation and amination reactions.
• Functional Material Production: Can be incorporated into polymers or coatings to impart specific ionic or chromophoric properties.

Basic Information

Item	Detail
Product Name	6-Dimethylamino-4-Hydroxy-2-Naphthalenesulfonic Acid
CAS No.	6259-50-3
Molecular Formula	C₁₂H₁₃NO₄S
Molecular Weight	267.30 g/mol
Synonyms	6-(Dimethylamino)-4-hydroxy-2-naphthalenesulfonic acid; 4-Hydroxy-6-(dimethylamino)-2-naphthalenesulfonic acid; 6-Dimethylamino-4-hydroxy-2-naphthalenesulphonic acid; 2-Naphthalenesulfonic acid, 6-(dimethylamino)-4-hydroxy-; C.I. 10565; Acid Blue 92 intermediate; 6-Dimethylamino-4-hydroxynaphthalene-2-sulfonic acid
EINECS	228-414-6

Quality Control

Our production of 6-Dimethylamino-4-Hydroxy-2-Naphthalenesulfonic Acid adheres to stringent quality management protocols. Each batch is analyzed to ensure it meets precise chemical and physical specifications, with a focus on consistent purity and minimal impurity profiles. Certificates of Analysis (COA) documenting identity, assay, and related substances are provided and can be tailored to meet specific customer requirements.

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). Keep away from strong bases and oxidizing agents. Due to its nature as a strong acid/organic solvent derivative, ensure containers are properly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Light yellow to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition (Sulfated Ash)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Solubility	Soluble in water, alkaline solutions; sparingly soluble in organic solvents

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