Description

2-Naphthalenesulfonic Acid Hydrate, 99 is a high-purity, organic sulfonic acid derivative widely used as a versatile chemical intermediate. Its primary value lies in its ability to act as a precursor for dyes, pigments, and other functional chemicals, offering reliable performance in demanding synthesis processes. This product is essential for manufacturers in the dye and pigment, pharmaceutical, and specialty chemical industries seeking consistent quality for their production needs.

Application

• Dye and Pigment Intermediate: A key building block in the synthesis of azo dyes, acid dyes, and organic pigments.
• Pharmaceutical Synthesis: Used as a sulfonating agent or intermediate in the production of certain active pharmaceutical ingredients (APIs).
• Surfactant and Dispersant Production: Serves as a precursor for naphthalene sulfonate-based surfactants and concrete plasticizers.
• Chemical Research & Development: Employed in organic synthesis and as a standard or reagent in analytical laboratories.
• Electroplating Additives: Can be used in the formulation of bath additives for metal finishing processes.
• Photographic Chemicals: Finds application in the synthesis of certain photographic developers and chemicals.

Basic Information

Product Name	2-Naphthalenesulfonic Acid Hydrate, 99
CAS No.	76530-12-6
Molecular Formula	C₁₀H₈O₃S·xH₂O
Molecular Weight	208.23 (Anhydrous basis)
Synonyms	2-Naphthalenesulfonic Acid Monohydrate; β-Naphthalenesulfonic Acid Hydrate; 2-Naphthylsulfonic Acid Hydrate; NSC 40324; 2-Naphthalenesulphonic Acid; 2-Sulfonaphthalene Hydrate; 2-Naphthalenesulfonic Acid Water Soluble
EINECS	Contact for details

Quality Control

Our 2-Naphthalenesulfonic Acid Hydrate is produced under a rigorous quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets the specified 99% purity grade and is free from critical impurities. A Certificate of Analysis (COA) detailing purity, identity, and other relevant parameters is provided with every shipment to guarantee traceability and compliance with your quality standards.

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, which may affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 99.0%
Water Content (KF)	≤ 8.5% (as hydrate)
Heavy Metals (as Pb)	≤ 20 ppm
Sulfated Ash	≤ 0.1%

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