Description

Calcium Bis(3-Hydroxy-4-Methoxybenzenesulphonate) is a specialized organosulfur compound with significant chelating and antioxidant properties. This chemical is valued for its ability to stabilize formulations and interact with metal ions, making it a critical component in high-performance applications. It is primarily sought by manufacturers in the pharmaceutical, cosmetic, and specialty chemical industries for use in stabilizer systems, preservative blends, and as an intermediate in synthesis.

Application

• Pharmaceutical intermediate for the synthesis of specialized active ingredients.
• Antioxidant and stabilizer in cosmetic and personal care formulations to enhance shelf-life.
• Metal chelating agent in industrial processes to control catalysis or prevent undesired oxidation.
• Component in photographic developers and other specialty chemical preparations.
• Research and development chemical in life sciences and material science.
• Potential additive in polymer and resin systems to improve stability.

Basic Information

Item	Detail
Product Name	Calcium Bis(3-Hydroxy-4-Methoxybenzenesulphonate)
CAS No.	7546-27-2
Molecular Formula	C14H14CaO12S2
Molecular Weight	478.45 g/mol
Synonyms	Calcium 3-Hydroxy-4-methoxybenzenesulfonate; Calcium 4-Methoxy-3-hydroxybenzenesulfonate; Calcium 2-Methoxyphenol-5-sulfonate; 3-Hydroxy-4-methoxybenzenesulfonic acid calcium salt; 4-Methoxy-3-hydroxybenzenesulfonic acid calcium salt; 5-Sulfo-2-methoxyphenol calcium salt; Calcium sulfonate derivative of guaiacol
EINECS	Contact for details

Quality Control

Our Calcium Bis(3-Hydroxy-4-Methoxybenzenesulphonate) is produced under a rigorous quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing specifications such as assay, heavy metals, and related substances is provided with every shipment. We can support compliance with cGMP, ISO, and REACH requirements as needed for your application.

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) and light-sensitive; containers must be kept tightly sealed after opening to minimize exposure to atmospheric moisture and light.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%
Calcium Content	7.5% - 9.0%

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