Description

Sodium Hydroxymethylbenzenesulphonate is a versatile organic sulfonate salt widely used as a key intermediate and functional additive in industrial synthesis. Its primary value lies in its ability to act as a reactive solubilizing agent and a source of the hydroxymethylsulfonate anion, facilitating various chemical transformations. This compound is essential for manufacturers in the fine chemicals, textile auxiliaries, and polymer industries seeking to enhance process efficiency and product performance.

Application

• As a key intermediate in the synthesis of specialty chemicals, dyes, and pharmaceuticals.
• Used in the production of textile auxiliaries, particularly as a leveling agent or dye-fixing agent in fabric processing.
• Acts as a stabilizer and solubilizing agent in polymer emulsions and resin formulations.
• Employed in paper and pulp manufacturing as a functional additive.
• Serves as a corrosion inhibitor component in certain industrial fluid systems.
• Potential use in concrete admixtures as a water-reducing or set-controlling agent.
• Utilized in detergent and cleaning product formulations for enhanced solubility and stability.
• Application in electroplating baths and surface treatment solutions.

Basic Information

Product Name	Sodium Hydroxymethylbenzenesulphonate
CAS No.	34742-11-5
Molecular Formula	C7H7NaO4S
Molecular Weight	210.18 g/mol
Synonyms	Sodium (Hydroxymethyl)benzenesulfonate; Benzenesulfonic acid, (hydroxymethyl)-, sodium salt; Sodium Phenyl(hydroxymethyl)sulfonate; Hydroxymethylbenzenesulfonic Acid Sodium Salt; Sodium α-Hydroxybenzenemethanesulfonate; SMBS (in some contexts); Formaldehyde Sodium Benzenesulfonate Adduct; Sodium Benzyl Alcohol Sulfonate
EINECS	Contact for details

Quality Control

Our Sodium Hydroxymethylbenzenesulphonate is produced under a stringent quality management system to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including assay, identification, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance protocols and regulatory compliance needs.

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 nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which can affect product quality and handling properties. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
pH (5% solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

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