Description

Di(Trimethylol Propane) is a high-purity, multifunctional polyol compound, also known as Di-TMP, with the CAS registry number 23235-61-2. This specialty chemical is valued for its excellent thermal stability and ability to impart hardness and chemical resistance to final products. It is a critical intermediate for manufacturers in the coatings, resins, and advanced polymer industries seeking to enhance product performance and durability.

Application

• Synthetic Resins: A key monomer for producing high-performance alkyd, polyester, and polyurethane resins.
• Radiation-Curable Coatings: Used in the synthesis of oligomers for UV-curable coatings and inks, offering fast cure and excellent film properties.
• Lubricants & Plasticizers: Serves as a base for manufacturing synthetic lubricants and specialty plasticizers with high thermal stability.
• Adhesives & Sealants: Imparts improved adhesion, flexibility, and chemical resistance in formulated adhesive systems.
• Polymer Crosslinking Agent: Enhances the crosslink density and network structure in various thermosetting polymers.
• Chemical Intermediate: Used in further organic synthesis to create complex molecules for pharmaceutical and agrochemical applications.

Basic Information

Product Name	Di(Trimethylol Propane)
CAS No.	23235-61-2
Molecular Formula	C12H26O6
Molecular Weight	266.33 g/mol
Synonyms	Di-TMP; 2,2-Bis(hydroxymethyl)butyl 2,2-bis(hydroxymethyl)butyrate; 2-Ethyl-2-(((2-ethyl-2-(hydroxymethyl)-1,3-propanediyl)bis(oxy))bis(methylene))bis(1,3-propanediol); Bis(trimethylolpropane); DITMP; Di(trimethylolpropane)
EINECS	245-507-1

Quality Control

Our Di(Trimethylol Propane) is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, color, and hydroxyl value. A Certificate of Analysis (COA) is provided with each shipment, detailing key parameters and confirming compliance with agreed standards.

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); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0 %
Hydroxyl Value	Contact for details
Color (APHA)	≤ 50
Water Content	≤ 0.5 %
Melting Point	Contact for details

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