Description

2,2,11,11-Tetramethyldodecane-1,12-Diol is a high-purity, long-chain diol characterized by its unique gem-dimethyl substituted structure. This compound serves as a versatile and valuable bifunctional building block in advanced organic synthesis, offering steric hindrance and defined molecular spacing. It is primarily utilized by R&D chemists and process engineers in the pharmaceutical, polymer, and specialty chemical industries for creating novel materials with tailored properties.

Application

• Pharmaceutical Intermediate: Used in the synthesis of complex drug molecules, macrocyclic compounds, and prodrugs where its rigid, long-chain diol structure is advantageous.
• Polymer Chemistry: Acts as a chain extender or monomer in the production of specialty polyesters, polyurethanes, and polycarbonates, imparting hydrophobicity and influencing crystallinity.
• Lubricant & Fuel Additive Synthesis: Serves as a precursor for high-performance esters and additives that enhance thermal stability and reduce volatility in industrial lubricants and fuels.
• Surface Active Agent Production: A key starting material for synthesizing non-ionic surfactants and emulsifiers with specific branching for improved performance in formulations.
• Cross-linking Agent: Employed in the manufacture of thermosetting resins, coatings, and adhesives to modify network density and physical properties.
• Material Science Research: Utilized in academic and industrial R&D for developing novel dendritic polymers, liquid crystals, and other advanced functional materials.

Basic Information

Product Name	2,2,11,11-Tetramethyldodecane-1,12-Diol
CAS No.	5658-47-9
Molecular Formula	C₁₆H₃₄O₂
Molecular Weight	258.44 g/mol
Synonyms	1,12-Dihydroxy-2,2,11,11-tetramethyldodecane; 2,2,11,11-Tetramethyl-1,12-dodecanediol; Tetramethyldodecanediol; Long-chain branched diol; C16 Branched Diol; Dodecane-1,12-diol, 2,2,11,11-tetramethyl-
EINECS	Contact for details

Quality Control

Our 2,2,11,11-Tetramethyldodecane-1,12-Diol is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters 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 strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm

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