Description

1,8-Diisocyanatooctane is a linear aliphatic diisocyanate monomer, a key building block in polymer chemistry. Its primary value lies in its bifunctional reactivity, enabling the synthesis of high-performance polyurethanes, polyureas, and other specialty polymers with tailored properties. This compound is essential for manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as for research and development of advanced materials requiring specific mechanical and chemical resistance.

Application

• Polyurethane Synthesis: A core monomer for producing linear and cross-linked polyurethane resins, foams, and elastomers.
• High-Performance Coatings: Used in formulating durable, chemical-resistant, and flexible industrial and protective coatings.
• Adhesives and Sealants: Serves as a key component in the production of high-strength, moisture-curing adhesives and sealants.
• Elastomer Manufacturing: Essential for creating specialized polyurethane and polyurea elastomers with excellent abrasion resistance.
• Polymer Modification: Used as a cross-linking or chain-extending agent to modify the properties of existing polymers.
• Research & Development: A valuable intermediate in academic and industrial R&D for developing novel polymeric materials and composites.

Basic Information

Product Name	1,8-Diisocyanatooctane
CAS No.	10124-86-4
Molecular Formula	C10H16N2O2
Molecular Weight	196.25 g/mol
Synonyms	Octamethylene Diisocyanate; 1,8-Octane Diisocyanate; OMDI; Octane-1,8-diyl diisocyanate; 1,8-Diisocyanato-n-octane; Isocyanic acid, octamethylene ester; Octamethylene-1,8-diisocyanate
EINECS	233-350-6

Quality Control

Our 1,8-Diisocyanatooctane is manufactured under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including assay, isocyanate content, and impurity profile analysis, to ensure it meets precise specifications for polymer-grade applications. Certificates of Analysis (COA) documenting purity, identity, and key physical parameters are provided with every shipment to guarantee batch-to-batch consistency and reliability for your production processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 15-25°C (59-77°F). Due to its highly volatile and hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen) to prevent moisture ingress and polymerization. Isolate from heat, open flames, and incompatible materials such as alcohols, amines, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0 %
Isocyanate Content (NCO)	42.0 - 43.0 %
Hydrolyzable Chloride	≤ 0.01 %
Water Content (KF)	≤ 0.05 %
Specific Gravity (20°C)	1.05 - 1.07
Viscosity (25°C)	Contact for details

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