Description

2-Naphthalenesulfonic Acid, 6-(Dimethylamino)- is a specialized organic sulfonic acid derivative that serves as a key intermediate in advanced chemical synthesis. Its molecular structure, featuring both a sulfonic acid group and a dimethylamino substituent, makes it valuable for introducing specific functional groups and modifying solubility profiles. This compound is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty dye industries for the production of active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring naphthalene-based scaffolds.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents where its sulfonic acid group aids in formulation and bioavailability.
• Dye and Pigment Manufacturing: Acts as an intermediate for synthesizing azo dyes and other complex colorants, leveraging its aromatic structure and functional groups.
• Chemical Research & Development: Employed in organic synthesis laboratories for developing novel compounds and studying sulfonation reactions.
• Surfactant and Detergent Precursor: Serves as a starting material for creating specialized anionic surfactants with specific solubility characteristics.
• Polymer Modification: Used to introduce ionic or hydrophilic groups into polymer chains to alter material properties.

Basic Information

Product Name	2-Naphthalenesulfonic Acid, 6-(Dimethylamino)-
CAS No.	34322-51-5
Molecular Formula	C₁₂H₁₃NO₃S
Molecular Weight	251.30 g/mol
Synonyms	6-(Dimethylamino)-2-naphthalenesulfonic acid; 6-Dimethylamino-2-naphthalenesulfonic acid; 2-Naphthalenesulfonic acid, 6-(dimethylamino)-; 6-(N,N-Dimethylamino)-2-naphthalenesulfonic acid; Dansyl acid; 5-(Dimethylamino)naphthalene-1-sulfonic acid; DENS; 1-Dimethylaminonaphthalene-5-sulfonic acid
EINECS	Contact for details

Quality Control

Our 2-Naphthalenesulfonic Acid, 6-(Dimethylamino)- is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing specifications and test results is provided with each shipment. We support compliance with REACH and other relevant global regulatory frameworks.

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). This product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent degradation from atmospheric moisture. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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