Description

2-(Methylamino)Naphthalenesulphonic Acid is a specialized organic intermediate featuring a naphthalene core substituted with a methylamino and a sulfonic acid group. This unique structure makes it a valuable building block for synthesizing more complex molecules, particularly dyes and pigments. Industries involved in the production of colorants, as well as research and development in fine chemicals, require this compound for its specific reactivity and functional groups.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of azo dyes, acid dyes, and other colorants for textiles, leather, and inks.
• Fluorescent Brightening Agent (FBA) Synthesis: Used in the manufacturing of optical brighteners for paper, detergents, and plastics.
• Pharmaceutical Intermediate: Serves as a building block in the research and development of certain active pharmaceutical ingredients (APIs).
• Research & Development Chemical: Employed in academic and industrial laboratories for organic synthesis and material science projects.
• Chemical Sensor Development: Investigated for use in creating selective chemosensors due to its signaling moiety.
• Liquid Crystal and Electronic Material Synthesis: A potential intermediate for advanced materials requiring specific aromatic architectures.

Basic Information

Product Name	2-(Methylamino)Naphthalenesulphonic Acid
CAS No.	7089-63-6
Molecular Formula	C₁₁H₁₁NO₃S
Molecular Weight	237.27 g/mol
Synonyms	2-(Methylamino)naphthalene-1-sulfonic acid; 1-Naphthalenesulfonic acid, 2-(methylamino)-; 2-Methylaminonaphthalene-1-sulphonic acid; N-Methyl-2-naphthylamine-1-sulfonic acid; 2-Methylamino-1-naphthalenesulfonic acid; 2-(N-Methylamino)-1-naphthalenesulfonic acid; 7089-63-6; MNAS
EINECS	Contact for details

Quality Control

Our 2-(Methylamino)Naphthalenesulphonic Acid is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure high purity, consistent composition, and reliable performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment ensures the material meets the exacting standards required for industrial synthesis and research applications.

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). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light 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

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