Description

Isocyanicacid,Trimethylhexamethyleneester is a specialized aliphatic isocyanate ester, a key building block in advanced polymer synthesis. This compound is valued for its role in producing high-performance polyurethane and polyurea materials with enhanced light stability and mechanical properties. It is primarily utilized by formulators and manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries seeking to develop durable, weather-resistant products.

Application

• Polyurethane Coatings: A critical raw material for producing light-stable, aliphatic polyurethane coatings for automotive, aerospace, and industrial maintenance applications.
• High-Performance Elastomers: Used in the synthesis of polyurea and polyurethane elastomers requiring excellent hydrolytic stability and mechanical strength.
• Adhesives & Sealants: Serves as a crosslinking agent in formulations for structural adhesives and flexible sealants with strong weatherability.
• UV-Resistant Finishes: Imparts superior resistance to yellowing and degradation in clear coats and topcoats exposed to sunlight.
• Specialty Resins: Employed in the production of specialty isocyanate-terminated prepolymers and resins for composite materials.
• Chemical Intermediate: Acts as a versatile intermediate in organic synthesis for pharmaceuticals and agrochemicals.

Basic Information

Product Name	Isocyanicacid,Trimethylhexamethyleneester
CAS No.	32052-51-0
Molecular Formula	C10H17NO2
Molecular Weight	183.25 g/mol
Synonyms	Trimethylhexamethylene Diisocyanate (TMHDI); 1,6-Diisocyanato-2,2,4(2,4,4)-trimethylhexane; 2,2,4-Trimethylhexamethylene Diisocyanate; 2,4,4-Trimethylhexamethylene Diisocyanate; TMDI; VESTANAT® TMDI (Evonik); Isophorone Diisocyanate (IPDI) analogue; Aliphatic diisocyanate ester
EINECS	250-897-2

Quality Control

Our Isocyanicacid,Trimethylhexamethyleneester is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including assay, isocyanate content, and impurity profile analysis, to ensure it meets precise specifications for high-performance applications. Certificates of Analysis (COA) documenting purity, color, and moisture content are provided with every shipment to guarantee traceability and consistency.

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). This product is hygroscopic (moisture-sensitive). Containers must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen) to prevent moisture ingress and polymerization. Keep away from heat, open flames, and incompatible materials such as alcohols, amines, and strong bases.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (NCO Content)	≥ 99.0 %
Purity (GC)	≥ 98.5 %
Color (APHA)	≤ 50
Hydrolyzable Chloride	≤ 10 ppm
Moisture (Karl Fischer)	≤ 0.05 %
Viscosity (at 25°C)	Contact for details
Density (at 20°C)	~1.02 g/cm³

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