Description

2-Hydroxy-4-(Hydroxymethylphosphoryl) Butanoic Acid is a multifunctional organophosphorus compound featuring both carboxylic acid and phosphonic acid moieties. This unique structure makes it a valuable intermediate for synthesizing complexing agents, scale inhibitors, and functional polymers. It is primarily sought by manufacturers in the water treatment, detergent, and specialty chemical industries for its chelating and anti-scaling properties.

Application

• Water Treatment Chemicals: Key intermediate for high-performance scale and corrosion inhibitors in industrial cooling and boiler water systems.
• Detergent & Cleaning Formulations: Used in the synthesis of builders and co-builders to enhance cleaning efficiency by sequestering hardness ions like calcium and magnesium.
• Metal Surface Treatment: Acts as a component in formulations for metal cleaning, pickling, and plating baths to control metal ion precipitation.
• Pulp & Paper Industry: Employed in process chemicals to control scale formation and improve bleaching efficiency.
• Textile Auxiliaries: Serves as a chelating agent in dyeing and finishing processes to improve color fastness and fabric quality.
• Agricultural Chemicals: Intermediate for the synthesis of certain herbicides and plant growth regulators with systemic activity.
• Pharmaceutical Intermediates: Potential building block for novel drug candidates, particularly those targeting bone metabolism.

Basic Information

Product Name	2-Hydroxy-4-(Hydroxymethylphosphoryl) Butanoic Acid
CAS No.	80902-10-9
Molecular Formula	C5H11O7P
Molecular Weight	214.11 g/mol
Synonyms	4-(Hydroxymethylphosphinyl)-2-hydroxybutanoic acid; 2-Hydroxy-4-(hydroxymethylphosphinyl)butanoic acid; (3-Carboxy-3-hydroxypropyl)(hydroxymethyl)phosphinic acid; HMBPA; Phosphinicoacetic acid derivative
EINECS	Contact for details

Quality Control

Our 2-Hydroxy-4-(Hydroxymethylphosphoryl) Butanoic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay and impurity profile determination by HPLC, to ensure it meets precise specifications. A comprehensive Certificate of Analysis (COA) documenting identity, purity, and other critical parameters is provided with every shipment.

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 the container is kept tightly sealed after each use to prevent absorption of atmospheric moisture, which may affect quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
pH (1% Solution)	2.0 - 4.0
Heavy Metals (as Pb)	≤ 10 ppm

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