Description

Hydroxymethylphosphonic Acid Dibutyl Ester is an organophosphorus compound characterized by its phosphonic acid ester structure. This chemical is valued for its role as a versatile intermediate and functional additive, offering properties such as chelation and flame retardancy. It is primarily sought by manufacturers in the flame retardant, water treatment, and specialty chemical synthesis sectors for formulating advanced materials and process aids.

Application

• As a key intermediate in the synthesis of advanced flame retardants for polymers and textiles.
• Functioning as a chelating agent and scale inhibitor in industrial water treatment formulations.
• Utilized in the production of lubricant additives and corrosion inhibitors.
• As a plasticizer and stabilizer component in specific polymer systems.
• Employed in metal surface treatment and finishing processes.
• Serving as a building block for specialty surfactants and agrochemicals.
• Potential use in oilfield chemicals as a precipitation inhibitor.

Basic Information

Product Name	Hydroxymethylphosphonic Acid Dibutyl Ester
CAS No.	24630-66-8
Molecular Formula	C9H21O5P
Molecular Weight	240.24 g/mol
Synonyms	Dibutyl (hydroxymethyl)phosphonate; Dibutyl hydroxymethylphosphonate; Hydroxymethylphosphonic Acid Dibutyl Ester; Phosphonic acid, P-(hydroxymethyl)-, dibutyl ester; Dibutyl ester of hydroxymethylphosphonic acid; HMDP Dibutyl Ester; Flame Retardant Intermediate HMDP-DBE
EINECS	Contact for details

Quality Control

Our Hydroxymethylphosphonic Acid Dibutyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key specifications are provided with every shipment and are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Ensure the container is kept tightly sealed when not in use to minimize moisture uptake.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC or Titration)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	~1.08 g/cm³
Refractive Index (n20D)	~1.440 - 1.450

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