Description

2,2-Dimethyl-1,3-Butanediol is a high-purity, versatile diol characterized by its unique sterically hindered structure. This compound is valued for its excellent solvency properties and its role as a key building block in the synthesis of polymers, plasticizers, and specialty chemicals. It serves as a critical intermediate for manufacturers in the coatings, resins, adhesives, and pharmaceutical industries seeking to enhance product performance and stability.

Application

• Polymer & Resin Synthesis: Acts as a monomer or chain extender in the production of polyesters, polyurethanes, and alkyd resins, contributing to improved flexibility and weathering resistance.
• Plasticizer & Solvent: Used as a high-boiling point solvent and an intermediate for manufacturing specialized plasticizers for PVC and other polymers.
• Coatings & Inks: Imparts favorable properties such as low volatility and good flow in formulation of high-performance industrial coatings, paints, and printing inks.
• Adhesives & Sealants: Serves as a reactive diluent and modifier in polyurethane and epoxy-based adhesive systems.
• Pharmaceutical Intermediates: Utilized in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals due to its defined stereochemistry.
• Personal Care Products: Functions as a humectant and viscosity modifier in cosmetic and personal care formulations.

Basic Information

Product Name	2,2-Dimethyl-1,3-Butanediol
CAS No.	76-35-7
Molecular Formula	C6H14O2
Molecular Weight	118.17 g/mol
Synonyms	2,2-Dimethyl-1,3-Butanediol; 2,2-Dimethyltrimethylene Glycol; 2,2-Dimethylpropane-1,3-diol; Neo-Pentyl Glycol (NPG) Dimer; Diol 76-35-7; 1,3-Butanediol, 2,2-dimethyl-; 2,2-Dimethyl-1,3-dihydroxybutane
EINECS	200-952-3

Quality Control

Our 2,2-Dimethyl-1,3-Butanediol is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and physical properties. Certificates of Analysis (COA) documenting these results are provided to guarantee consistent quality and supply reliability for your production processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep container tightly sealed when not in use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White crystalline solid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Melting Point	125 - 128 °C
Water Content (KF)	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm

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