Description

Potassium Hydroxymethylbenzenesulphonate is a versatile potassium salt of a sulfonated benzyl alcohol derivative, valued for its unique combination of water solubility and anionic character. This compound is crucial in industrial processes where it acts as a reactive intermediate, surfactant, or dispersing agent. It is primarily needed by manufacturers in the chemical synthesis, textile, and specialty polymer industries for applications requiring controlled reactivity and ionic functionality.

Application

• Chemical Synthesis Intermediate: Used in the production of specialty chemicals, dyes, and pharmaceuticals where a sulfonated benzyl moiety is required.
• Textile Auxiliary: Functions as a leveling agent, dispersant, or anti-precipitant in dyeing and printing processes.
• Polymer Modification: Employed as a comonomer or additive to introduce sulfonate groups into polymers, enhancing hydrophilicity and dyeability.
• Surfactant & Dispersant: Acts as an anionic surfactant or dispersing agent in formulations for coatings, agrochemicals, and detergents.
• Electroplating Additive: Used in electroplating baths to improve bath stability and metal deposition quality.
• Research & Development: Serves as a building block in organic and medicinal chemistry research for novel compound synthesis.

Basic Information

Product Name	Potassium Hydroxymethylbenzenesulphonate
CAS No.	84878-40-0
Molecular Formula	C7H7KO4S
Molecular Weight	226.29 g/mol
Synonyms	Potassium (Hydroxymethyl)benzenesulfonate; Benzenesulfonic acid, (hydroxymethyl)-, potassium salt; Potassium α-Hydroxytoluenesulfonate; Potassium Benzyl Alcohol Sulfonate; (Hydroxymethyl)benzenesulfonic Acid Potassium Salt; PHBS-K; Potassium Salt of Hydroxymethylbenzenesulfonic Acid
EINECS	Contact for details

Quality Control

Our Potassium Hydroxymethylbenzenesulphonate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) documenting purity, identity, and impurity profiles is provided with every shipment to guarantee batch-to-batch consistency and traceability.

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, which can affect product quality and handling properties.

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.