Description

2,4-Dimethyloctane-1,8-Diyl Diisocyanate is a specialized aliphatic diisocyanate monomer. This compound matters for its role as a key building block in the synthesis of high-performance polyurethane and polyurea polymers, offering tailored properties through its unique branched hydrocarbon backbone. It is primarily needed by manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries seeking to develop products with enhanced weatherability, chemical resistance, and mechanical strength.

Application

• High-Performance Polyurethane Coatings: Used in automotive clear coats, industrial maintenance paints, and aerospace coatings where excellent UV stability and gloss retention are critical.
• Specialty Elastomers and Sealants: Serves as a core component in the production of flexible, durable elastomers for gaskets, rollers, and weather-resistant sealants.
• Adhesives and Binders: A vital raw material for formulating structural and laminating adhesives with strong bonding performance and resistance to environmental factors.
• Polyurea Spray Linings: Employed in the fast-curing formulations used for protective tank linings, truck bed liners, and waterproof membranes.
• Crosslinking Agent for Resins: Acts as a reactive modifier to enhance the hardness, chemical resistance, and thermal stability of various polymer systems.
• Automotive and Industrial Parts: Used in the manufacture of lightweight, high-strength composite parts and components.

Basic Information

Item	Details
Product Name	2,4-Dimethyloctane-1,8-Diyl Diisocyanate
CAS No.	68882-56-4
Molecular Formula	C12H20N2O2
Molecular Weight	224.30 g/mol
Synonyms	1,8-Diisocyanato-2,4-dimethyloctane; 2,4-Dimethyloctamethylene Diisocyanate; DMDI (common abbreviation); Octane, 1,8-diisocyanato-2,4-dimethyl-; Isocyanic acid, 2,4-dimethyloctamethylene ester; Aliphatic C12 Diisocyanate; Branched C12 Diisocyanate
EINECS	Contact for details

Quality Control

Our 2,4-Dimethyloctane-1,8-Diyl Diisocyanate is produced under stringent quality management systems. Every batch undergoes rigorous analytical testing, including assay by titration and impurity profiling, to ensure it meets precise specifications for isocyanate content and purity. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a recommended temperature of 15-25°C. Due to its hygroscopic (moisture-sensitive) nature, containers must be kept sealed under a dry inert atmosphere (e.g., nitrogen) to prevent reaction with atmospheric moisture and subsequent degradation.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (NCO Content)	≥ 99.0 %
Purity (HPLC)	≥ 98.5 %
Hydrolyzable Chloride	≤ 10 ppm
Color (APHA)	≤ 50
Specific Gravity (20°C)	0.98 - 1.02
Viscosity (25°C)	Contact for details

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