Description

2-Methyl-1-Naphthalenesulfonic Acid is a versatile organic sulfonic acid derivative, valued for its strong acidity and utility as a key intermediate in fine chemical synthesis. Its molecular structure makes it an effective catalyst and building block for creating more complex molecules. This product is essential for manufacturers in the dye, pigment, and specialty chemical industries seeking reliable, high-purity intermediates for their production processes.

Application

• Dye and Pigment Intermediate: A crucial building block in the synthesis of naphthalene-based dyes, pigments, and optical brighteners.
• Catalyst and Acidulant: Used as a strong acid catalyst in various organic synthesis reactions, including esterification and alkylation.
• Surfactant and Detergent Precursor: Serves as a key raw material for producing specialized anionic surfactants and detergent additives.
• Pharmaceutical Intermediate: Employed in the synthesis of certain active pharmaceutical ingredients (APIs) and other fine chemicals.
• Corrosion Inhibitor Formulation: A component in formulations designed to protect metals in industrial systems.
• Polymer and Resin Modification: Used to introduce sulfonic acid groups into polymers to alter their properties, such as solubility or ionic character.

Basic Information

Product Name	2-Methyl-1-Naphthalenesulfonic Acid
CAS No.	20776-12-9
Molecular Formula	C11H10O3S
Molecular Weight	222.26 g/mol
Synonyms	1-Naphthalenesulfonic acid, 2-methyl-; 2-Methylnaphthalene-1-sulfonic acid; β-Methylnaphthalene-α-sulfonic acid; 2-Methyl-1-naphthalenesulphonic acid; NSC 403107; 2-Methylnaphthalenesulfonic acid; 1-Sulfo-2-methylnaphthalene
EINECS	Contact for details

Quality Control

Our 2-Methyl-1-Naphthalenesulfonic Acid is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed against rigorous internal specifications, which typically include assay, identification, and impurity profile checks. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your technical 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). This material is hygroscopic (moisture-sensitive); ensure containers are kept sealed to prevent absorption of atmospheric moisture. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
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.