Description

Indane-5-Sulfonic Acid, Sodium Salt is a high-purity organic sulfonate salt, valued for its role as a versatile intermediate and functional additive. Its chemical structure makes it particularly useful in advanced synthesis and formulation processes where consistent quality and reliable supply are critical. This product is essential for manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop or enhance high-performance products.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Agrochemical Synthesis: Used in the production of advanced herbicides, pesticides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a precursor or solubilizing agent in the creation of colorants and specialty inks.
• Surfactant and Detergent Formulation: Acts as an anionic component or hydrotrope in industrial and institutional cleaning products.
• Electroplating Additive: Functions as a brightening agent or leveler in metal finishing and electroplating baths.
• Polymer Modification: Employed to introduce sulfonate groups into polymers to alter solubility, conductivity, or other material properties.
• Research & Development: A valuable reagent for chemical research in academic and industrial laboratories.

Basic Information

Product Name	Indane-5-Sulfonic Acid, Sodium Salt
CAS No.	51591-60-7
Molecular Formula	C9H9NaO3S
Molecular Weight	220.22 g/mol
Synonyms	5-Indanesulfonic acid, sodium salt; Sodium 2,3-dihydro-1H-indene-5-sulfonate; Sodium indane-5-sulfonate; 1,2,3,4-Tetrahydro-5-sulfo-1-naphthalenesulfonic acid sodium salt; 5-Sulfoindane sodium salt; Indane-5-sulfonate sodium; 5-Indanesulfonate sodium salt
EINECS	Contact for details

Quality Control

Our Indane-5-Sulfonic Acid, Sodium Salt is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets high-purity standards and consistent specifications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 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.