Description

1,9-Nonanediol, 2,2,8,8-Tetramethyl- is a high-purity, symmetrical diol characterized by its unique sterically hindered structure. This compound matters as a versatile building block in advanced organic synthesis, offering enhanced stability and specific reactivity profiles due to its tetramethyl substitution. It is primarily needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for applications requiring rigid, lipophilic spacers or intermediates.

Application

• Pharmaceutical Intermediate: Serves as a key synthon for creating rigid, lipophilic linkers in drug discovery, particularly for prodrugs and bioactive molecule conjugates.
• Polymer Chemistry: Used as a monomer or chain extender in the synthesis of specialty polyesters, polyurethanes, and polycarbonates, imparting improved thermal and hydrolytic stability.
• Agrochemical Synthesis: Acts as a precursor for formulating plant growth regulators, pesticides, and herbicides that benefit from its specific hydrophobic backbone.
• Liquid Crystal & OLED Materials: Employed in the development of advanced materials for electronic displays and optoelectronics due to its ability to influence molecular alignment and morphology.
• Cosmetic & Personal Care Ingredients: Functions as a humectant and viscosity modifier in high-performance formulations, leveraging its diol functionality.
• Crosslinking Agent: Utilized in coatings, adhesives, and resin systems to enhance crosslink density and material properties.
• Organic Synthesis Reagent: A valuable reagent for constructing complex molecular architectures in academic and industrial research laboratories.

Basic Information

Product Name	1,9-Nonanediol, 2,2,8,8-Tetramethyl-
CAS No.	85018-58-2
Molecular Formula	C₁₃H₂₈O₂
Molecular Weight	216.36 g/mol
Synonyms	2,2,8,8-Tetramethyl-1,9-nonanediol; 2,2,8,8-Tetramethylnonane-1,9-diol; Nonane-1,9-diol, 2,2,8,8-tetramethyl-; TMND; Tetramethylnonanediol; Sterically hindered C9 diol; Symmetrical tetramethyl diol
EINECS	Contact for details

Quality Control

Our 1,9-Nonanediol, 2,2,8,8-Tetramethyl- is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

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 containers are sealed immediately after use to prevent absorption of atmospheric moisture, which may affect product quality.

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.