Description

Ammonium Naphthalene-2-Sulphonate is an important organic ammonium salt derivative of naphthalenesulfonic acid. This compound serves as a versatile intermediate and functional additive in several high-value industrial processes. It is primarily sought after by manufacturers in the dye, pigment, and specialty chemical sectors for its sulfonate group reactivity and solubility characteristics. Our supply ensures consistent quality and reliable availability for global B2B partners.

Application

• Dye and Pigment Intermediate: A key building block in the synthesis of acid dyes, reactive dyes, and organic pigments.
• Textile Auxiliary: Used as a levelling agent, dispersant, or wetting agent in textile dyeing and finishing processes.
• Concrete Admixture: Acts as a raw material in the production of superplasticizers and water-reducing agents for construction materials.
• Surfactant Synthesis: Serves as a precursor for anionic surfactants and dispersants used in formulations for agrochemicals and detergents.
• Pharmaceutical Intermediate: Employed in the synthesis of certain sulfonated pharmaceutical compounds.
• Analytical Reagent: Used in specific chemical analysis and research applications.

Basic Information

Product Name	Ammonium Naphthalene-2-Sulphonate
CAS No.	37087-01-7
Molecular Formula	C₁₀H₁₁NO₃S
Molecular Weight	225.26 g/mol
Synonyms	2-Naphthalenesulfonic acid, ammonium salt; Ammonium 2-naphthalenesulfonate; 2-Naphthalenesulfonate ammonium salt; Ammonium β-naphthalenesulfonate; ANS; Ammonium naphthalene-2-sulfonate; NSC 403821
EINECS	253-348-5

Quality Control

Our Ammonium Naphthalene-2-Sulphonate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. We provide a Certificate of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Sulfate Ash	≤ 0.5%
pH (5% solution)	6.0 - 8.0

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