Description

1-Methyl-2-Naphthalenesulfonic Acid is a specialized organic sulfonic acid derivative, valued for its role as a versatile intermediate and surfactant precursor. Its molecular structure makes it a key component in the synthesis of dyes, pigments, and advanced chemical products. This compound is essential for manufacturers in the chemical, agrochemical, and specialty materials sectors seeking reliable, high-purity intermediates for complex synthesis.

Application

• Dye and Pigment Intermediate: A crucial building block in the synthesis of naphthalene-based dyes, pigments, and colorants.
• Surfactant and Detergent Manufacture: Used as a raw material for producing specialized anionic surfactants and detergent additives.
• Agrochemical Synthesis: Serves as an intermediate in the production of certain herbicides, pesticides, and plant growth regulators.
• Pharmaceutical Intermediates: Employed in the synthesis of specific active pharmaceutical ingredients (APIs) and fine chemicals.
• Chemical Research & Development: Used as a reagent and model compound in organic synthesis and material science research.
• Polymer Additives: Can be utilized in the production of polymerization catalysts and functional polymer additives.

Basic Information

Product Name	1-Methyl-2-Naphthalenesulfonic Acid
CAS No.	68487-67-2
Molecular Formula	C₁₁H₁₀O₃S
Molecular Weight	222.26 g/mol
Synonyms	2-Naphthalenesulfonic acid, 1-methyl-; 1-Methylnaphthalene-2-sulfonic acid; 2-Methylnaphthalene-1-sulfonic acid (isomer); α-Methylnaphthalene-2-sulfonic acid; 1-Methyl-2-sulfonaphthalene; NSC 403119; 1-Methyl-2-naphthalene sulfonic acid
EINECS	Contact for details

Quality Control

Our 1-Methyl-2-Naphthalenesulfonic Acid is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including assay, impurity profiling, and identity confirmation, to ensure it meets precise customer specifications and industry standards. A Certificate of Analysis (COA) documenting purity, physical characteristics, and test results is provided with every shipment to guarantee traceability and quality assurance.

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) and should be kept under dry conditions to prevent caking or decomposition. 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.