Description

Calcium Bis(Hydroxytoluenesulphonate) is a specialized organosulfur compound with significant utility as a versatile chemical intermediate. Its value lies in its ability to act as a sulfonating agent and a source of calcium ions in controlled-release formulations, offering a balance of reactivity and stability. This product is essential for manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking reliable, high-purity raw materials for synthesis and process chemistry.

Application

• Pharmaceutical Synthesis: Key intermediate in the production of active pharmaceutical ingredients (APIs), particularly for sulfonamide-based drugs and calcium-supplement formulations.
• Agrochemical Manufacturing: Used in the synthesis of advanced herbicides, fungicides, and plant growth regulators requiring sulfonate functional groups.
• Polymer & Resin Production: Acts as a catalyst or cross-linking agent in the manufacture of specialty ion-exchange resins and sulfonated polymers.
• Chemical Research & Development: Serves as a valuable reagent in organic synthesis for introducing sulfonate moieties under mild conditions.
• Industrial Additives: Employed in the formulation of corrosion inhibitors, dispersants, and stabilizers for various industrial processes.

Basic Information

Product Name	Calcium Bis(Hydroxytoluenesulphonate)
CAS No.	30605-60-8
Molecular Formula	C14H14CaO8S2
Molecular Weight	422.45 g/mol
Synonyms	Calcium Hydroxytoluenesulfonate; Calcium p-Toluenesulfinate Hydroxide Complex; Calcium Bis(4-methylbenzenesulfinate) Hydroxide; Calcium Hydroxy(toluenesulfonate); Toluenesulfinic Acid, Calcium Salt, Basic; 4-Methylbenzenesulfinic Acid, Calcium Salt, Hydroxide; Calcium p-Toluenesulphinate Hydroxide
EINECS	Contact for details

Quality Control

Our Calcium Bis(Hydroxytoluenesulphonate) is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise customer specifications and industry standards. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability, purity, and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a 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 and performance.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to standard
Assay (Anhydrous Basis)	≥ 98.0 %
Loss on Drying	≤ 2.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents	Meets ICH guidelines

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