Description

2,2-Bis(Hydroxymethyl)Propionic Acid is a versatile, multifunctional organic compound featuring two primary hydroxyl groups and a carboxylic acid group on a neopentyl core. This unique structure makes it a highly valuable building block for synthesizing hyperbranched polymers, alkyd resins, and water-dispersible polyesters. It is essential for industries requiring materials with excellent hardness, chemical resistance, and weatherability. Key sectors that rely on this compound include coatings, adhesives, and advanced polymer manufacturing.

Application

• Polyester Resins: A key monomer for producing high-solid and powder coating resins with superior mechanical properties.
• Polyurethane Dispersions (PUDs): Used as an internal emulsifier to create stable, waterborne polyurethane systems for eco-friendly coatings and adhesives.
• Alkyd Resins: Imparts improved hydrolytic stability and faster drying times in industrial and decorative coatings.
• Hyperbranched Polymers: Serves as an AB2-type monomer for constructing dendritic macromolecules used in additives, drug delivery, and nanotechnology.
• Radiation-Curable Systems: Incorporated into oligomers and prepolymers for UV-curable inks, coatings, and 3D printing resins.
• Crosslinking Agent: Enhances network density and thermal stability in thermosetting plastics and composite materials.
• Pharmaceutical Intermediates: Utilized in the synthesis of certain active pharmaceutical ingredients (APIs) and prodrugs.

Basic Information

Product Name	2,2-Bis(Hydroxymethyl)Propionic Acid
CAS No.	4767-03-7
Molecular Formula	C5H10O4
Molecular Weight	134.13 g/mol
Synonyms	DMPA; Dimethylolpropionic Acid; 2,2-Dimethylolpropionic Acid; Bis-MPA; 2,2-Bis(hydroxymethyl)propanoic Acid; α,α-Bis(hydroxymethyl)propionic Acid; Tetramethylolethane carboxylic acid
EINECS	225-306-3

Quality Control

Our 2,2-Bis(Hydroxymethyl)Propionic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets the highest standards of purity and consistency for industrial and specialty chemical applications. Certificates of Analysis (COA) documenting key parameters such as assay, melting point, and moisture content are provided with each shipment to guarantee supply reliability and product performance.

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); keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 99.0 %
Melting Point	185 - 190 °C
Water Content (KF)	≤ 0.5 %
Ash Content	≤ 0.1 %
Heavy Metals (as Pb)	≤ 10 ppm

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