Description

1,12-Dodecanediol is a high-purity, long-chain aliphatic diol with the CAS number 5675-51-4, serving as a versatile building block in advanced polymer synthesis. Its bifunctional structure provides excellent control over polymer chain length and crystallinity, making it a critical component for creating high-performance materials. This compound is essential for R&D and production in industries such as specialty polymers, coatings, and pharmaceutical intermediates.

Application

• Polymer Synthesis: A key monomer for producing high-molecular-weight polyesters, polyurethanes, and polycarbonates, imparting flexibility and durability.
• Specialty Coatings & Resins: Used in formulating powder coatings, adhesives, and sealants that require enhanced weatherability and chemical resistance.
• Pharmaceutical Intermediates: Serves as a precursor in the synthesis of macrocyclic drugs, prodrugs, and controlled-release delivery systems.
• Lubricants & Plasticizers: Acts as a base or intermediate for synthetic lubricants and specialty plasticizers with low volatility.
• Cosmetic Ingredients: Employed in the production of emollients, viscosity modifiers, and stabilizers for personal care formulations.
• Chemical Research: A valuable standard and reagent in organic synthesis and material science research for creating novel macromolecules.

Basic Information

Product Name	1,12-Dodecanediol
CAS No.	5675-51-4
Molecular Formula	C₁₂H₂₆O₂
Molecular Weight	202.34 g/mol
Synonyms	Dodecamethylene Glycol; 1,12-Dihydroxydodecane; Dodecane-1,12-diol; α,ω-Dodecanediol; Lauryl Alcohol Dimer; 1,12-Dodecylene Glycol; 12-Hydroxydodecan-1-ol
EINECS	227-123-7

Quality Control

Our 1,12-Dodecanediol is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed against stringent in-house specifications, which typically include identity confirmation, assay, and impurity profile checks. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance protocols.

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 the container is kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or flakes
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	78 - 82 °C
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.