Description

1,7-Octanediol is a high-purity, linear aliphatic diol characterized by its two terminal hydroxyl groups separated by a seven-carbon chain. This unique structure makes it a valuable and versatile building block for polymerization and synthesis, offering a balance of hydrophobicity and reactivity. It is primarily sought by manufacturers in the polymer, specialty chemical, and pharmaceutical industries for creating polyesters, plasticizers, and high-performance intermediates.

Application

• Polymer Synthesis: A key monomer for producing specialty polyesters and polyurethanes, imparting flexibility and specific physical properties to the final polymer.
• Plasticizer Production: Used in the synthesis of polymeric plasticizers, which offer improved permanence and performance over traditional phthalates in PVC and other polymers.
• Pharmaceutical Intermediates: Serves as a crucial starting material or linker in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs.
• Cosmetic & Personal Care Ingredients: Employed in the manufacture of emollients, viscosity controllers, and as a precursor for esters used in lotions and creams.
• Lubricant & Functional Fluid Additives: Acts as a base or intermediate for synthesizing synthetic lubricants and corrosion inhibitors.
• Crosslinking Agent: Utilized in coatings, adhesives, and resin systems to form crosslinked networks, enhancing durability and chemical resistance.
• Flavor & Fragrance Synthesis: A precursor for macrocyclic musks and other fragrance compounds due to its ability to form large ring structures.

Basic Information

Product Name	1,7-Octanediol
CAS No.	13175-32-1
Molecular Formula	C8H18O2
Molecular Weight	146.23 g/mol
Synonyms	1,7-Dihydroxyoctane; Octamethylene Glycol; 1,7-Octylene Glycol; Heptamethylene Glycol; Octane-1,7-diol; NSC 66431; α,ω-Octanediol
EINECS	236-122-0

Quality Control

Our 1,7-Octanediol is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets the highest standards of purity and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee supply reliability and product integrity for your critical 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). Keep away from strong oxidizing agents, acids, and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Melting Point	58 - 62 °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.