Description

Tetrakis(Hydroxymethyl)Phosphoniumpara-Toluenesulphonate is a quaternary phosphonium salt with significant industrial utility. This compound matters as a highly effective and durable flame retardant and antimicrobial agent, providing critical performance enhancements to polymeric materials and textiles. Industries that need it include polymer manufacturing, textile finishing, and wood treatment, where it imparts flame resistance and prevents microbial degradation.

Application

• As a durable flame retardant for cotton, polyester, and their blends in protective clothing, upholstery, and tenting.
• As a biocidal and antimicrobial agent in textile finishes, paints, and coatings to prevent mold and mildew.
• As a cross-linking agent and catalyst in thermosetting resin formulations, including phenol-formaldehyde resins.
• In the production of flame-retardant polyurethane foams for insulation and cushioning applications.
• For wood preservation treatments to enhance fire resistance and durability.
• As a chemical intermediate in the synthesis of other phosphonium-based specialty chemicals.

Basic Information

Product Name	Tetrakis(Hydroxymethyl)Phosphoniumpara-Toluenesulphonate
CAS No.	75019-90-8
Molecular Formula	C11H21O8PS
Molecular Weight	344.32 g/mol
Synonyms	THP-Toluenesulfonate; Tetrakis(hydroxymethyl)phosphonium p-toluenesulfonate; THPTS; Phosphonium, tetrakis(hydroxymethyl)-, salt with 4-methylbenzenesulfonic acid (1:1); THP tosylate; THP-TS; Tetrahydroxymethylphosphonium tosylate; Proban® CC (trade name)
EINECS	Contact for details

Quality Control

Our Tetrakis(Hydroxymethyl)Phosphoniumpara-Toluenesulphonate 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) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee consistency and compliance with your application requirements.

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); ensure containers are kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 3.0%
pH (10% solution)	3.0 - 5.0
Residue on Ignition	≤ 0.5%

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