Description

1-Naphthalenesulfonic Acid, 1,4-Dihydro-1-Hydroxy-2(Or 3)-Methyl-4-Oxo-, Monosodium Salt is a specialized organic salt with a complex naphthalene-based structure, serving as a key intermediate in advanced chemical synthesis. Its value lies in its functional groups, which make it a versatile building block for creating dyes, pigments, and performance chemicals. This product is essential for manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require high-purity intermediates for research and production.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Dye and Pigment Manufacturing: Acts as a key precursor for producing naphthalene-based dyes, colorants, and optical brighteners.
• Agrochemical Synthesis: Employed in the development of herbicides, pesticides, and plant growth regulators.
• Research & Development: Serves as a critical reagent in organic chemistry research for constructing novel molecular architectures.
• Specialty Chemical Production: Utilized in the manufacture of performance chemicals, including corrosion inhibitors and surfactants.
• Photographic Chemical: Can be used in the formulation of certain photographic developers and chemicals.

Basic Information

Product Name	1-Naphthalenesulfonic Acid, 1,4-Dihydro-1-Hydroxy-2(Or 3)-Methyl-4-Oxo-, Monosodium Salt
CAS No.	99332-89-5
Molecular Formula	C₁₁H₉NaO₆S
Molecular Weight	292.24 g/mol
Synonyms	1-Hydroxy-2-methyl-4-oxo-1,4-dihydro-1-naphthalenesulfonic Acid Sodium Salt; 1-Hydroxy-2-methyl-4-oxo-1,4-dihydronaphthalene-1-sulfonic Acid Sodium Salt; 1,4-Dihydro-1-hydroxy-2-methyl-4-oxo-1-naphthalenesulfonic Acid Sodium Salt; Sodium 1-hydroxy-2-methyl-4-oxo-1,4-dihydro-1-naphthalenesulfonate; 2-Methyl-1,4-dihydro-1-hydroxy-4-oxo-1-naphthalenesulfonic Acid Sodium Salt; 1-Naphthalenesulfonic acid, 1,4-dihydro-1-hydroxy-2-methyl-4-oxo-, monosodium salt
EINECS	Contact for details

Quality Control

Our 1-Naphthalenesulfonic Acid, 1,4-Dihydro-1-Hydroxy-2(Or 3)-Methyl-4-Oxo-, Monosodium Salt is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity, identity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay, impurity profile, and physical characteristics are available upon request to support your quality assurance protocols.

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 compound is hygroscopic (moisture-sensitive); therefore, the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and stability.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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