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The Premium Eco-Friendly Aliphatic Diisocyanate Solution
Dimeryl Diisocyanate (DDI) is an advanced, bio-based aliphatic diisocyanate derived from 36-carbon dimer fatty acids. Unlike conventional aromatic diisocyanates such as toluene diisocyanate (TDI) or methylene diphenyl diisocyanate (MDI), DDI exhibits an exceptionally low toxicity profile and presents zero yellowing issues over extended exposure to ultraviolet radiation.
Its unique chemical backbone consists of a highly hydrophobic, long-chain aliphatic structure. This structure imparts remarkable flexibility, low water absorption, excellent chemical resistance, and high elongation capabilities to the resulting polymers. As global chemical manufacturers pivot away from volatile and hazardous petrochemical bases, DDI has emerged as a cornerstone for synthesizing green polyurethane elastomers, high-end coatings, specialty adhesives, and solid rocket propellants.
With Yanxatech System Industries Limited working at the forefront of China's advanced materials sector, our strategic partnerships enable us to supply premium DDI grades matching stringent international standards. Whether you are formulating ultra-tough coatings or searching for biocompatible materials, understanding the molecular advantages of Dimer Diisocyanate is critical to optimizing your final application.
| Property | Typical Specifications |
|---|---|
| CAS Number | 68475-94-5 |
| Active NCO Content (%) | ≥ 13.5% - 14.5% |
| Appearance | Pale yellow to clear viscous liquid |
| Viscosity (25°C) | 100 - 300 mPa.s |
| Purity Grade | Industrial, Technical, Polyurethane Grade |
How global industries integrate DDI across highly demanding micro-environments
DDI functions as an exceptional binder and curing agent in solid rocket propellants. The absence of volatile crystalline structures ensures stable combustion, minimal cracking under extreme temperature deltas, and reliable adhesion to metal casing surfaces.
With its non-yellowing aliphatic profile, DDI is heavily utilized in protective sealants exposed to severe sunlight and marine salt spray. Its hydrophobic nature prevents moisture penetration, halting corrosion and oxidation of base structural materials.
Used to synthesize highly flexible polyurethane elastomers, DDI provides textiles with elastic recovery and waterproof qualities. Since it is non-toxic and biocompatible, it poses no hazard when in contact with human skin, aligning with global green consumer criteria.
Why sourcing Dimeryl Diisocyanate from Chinese manufacturing giants ensures supply security and cost parity
By leveraging advanced refining processes, Chinese manufacturers optimize production costs without sacrificing purity levels.
The production of Dimeryl Diisocyanate requires massive access to high-quality dimer acids, which are derived primarily from natural vegetable oils. China’s extensive agricultural refining industry creates a reliable and cost-effective raw material flow. This vertical integration allows factories to scale up production and protect buyers from volatile pricing swings typical in oil-derived petrochemical chains.
Furthermore, manufacturing hubs inside China benefit from specialized high-vacuum molecular distillation setups. This machinery is necessary to purify long-chain diisocyanates to the ≥13.5% active NCO range. Under the guidance of Yanxatech (YANXA), the integration of local logistics systems with coastal ports (like Shanghai and Qingdao) translates to rapid transit times, complete hazard-class packaging compliance, and streamlined customs clearances.
Whether you require a pilot batch or recurring container shipments, China's comprehensive manufacturing hubs act as a stable anchor for your global raw materials pipeline.
Meeting REACH, TSCA, GHS, and specialized regional regulatory frameworks
We supply complete REACH registration numbers and chemical inventory documentation for smooth integration into the European Union and American markets (TSCA compliance).
Diisocyanates fall under strict shipping classes. Our steel-drum configurations are certified with UN labels, utilizing moisture-absorbing nitrogen caps to prevent premature polymerization.
Yanxatech provides custom formulation adjustments, testing samples with customized NCO parameters, and localized field engineering support to help streamline your line production transitions.
Critical market shifts reshaping the procurement dynamics of DDI and related polymers
Large international conglomerates are operating under heavy pressures to lower their Scope 3 greenhouse gas emissions. Traditional petrochemical isocyanates (like TDI and HDI monomers) are under intense scrutiny due to health risks and carbon footprints. As a result, procurement officers are actively replacing these chemicals with dimeryl diisocyanate (DDI). DDI's bio-sourced structure yields an immediately lower carbon profile, helping brands achieve environmental metrics.
When assessing the DDI pricelist, global buyers must factor in the total cost of ownership. While DDI's initial raw material cost is higher than that of standard MDI or TDI, it dramatically reduces the need for expensive UV-stabilizer additives, moisture scavengers, and hazard containment systems. This ultimately delivers higher performance and durability, lowering product failure rates in critical marine or space components.
A trusted global supplier of advanced specialty materials and chemical intermediates
Yanxatech System Industries Limited (hereinafter referred to as YANXA) is one of the growing suppliers in the field of specialty materials in China. Starting from a fledgling small business unit in 2008, YANXA is driven with the passion of developing a broad international market in the areas relating to the chemical and mechanical industries. Thanks to our team’s enduring and persistent work and our business partners’ long-lasting support, YANXA has steadily and vigorously grown into a company with excellence in delivering products and services relating to specialty chemicals.
Quality, safety and efficiency prevail over all other values in our business. We care about what our customers need on general products as well as their unique and specific requirements for newly developed applications in a timely manner. We adhere strictly to technical requirements and make deliveries in almost perfect conformity. Chemical business exposes more safety concerns than any other industrial sector. We undertake all activities involving chemicals in a safe way to ensure the safety of human health and the environment.
In addition to Dimeryl Diisocyanate, YANXA cooperates with leading manufacturers and renowned research institutes in China to supply high-purity industrial chemicals, nitrates, metal powders, and specialty gases:
Product Characteristics: Formaldehyde is a colorless liquid, easily polymerized, and readily soluble in water, alcohol, and ether. It is rapidly oxidized to formic acid in air, acting as a strong reducing agent. Its boiling point is -19℃, freezing point -118℃, and relative density to air is 1.067. Commercially, it is supplied in liquid form as formalin, a 37-50% formaldehyde solution with a small amount of methanol added as a polymerization inhibitor. The solution is milky white and has a foul odor. Formalin readily vaporizes, releasing formaldehyde gas. Its boiling point is 96℃, relative density is 0.815/-20℃, and flash point is 55℃.
Product Overview: Hexamethylenetetramine, also known as hexamine or HMTA, is a white crystalline powder produced by the condensation reaction of formaldehyde and ammonia. It is a versatile organic chemical intermediate widely used in industrial manufacturing, pharmaceutical synthesis, rubber processing, and analytical chemistry.
• CAS No.: 100-97-0 | • Molecular Formula: C₆H₁₂N₄ | • Molecular Weight: 140.19/mol
Product Features: A white powdery solid with a flammable odor of formaldehyde. It is a linear polymer of formaldehyde with no fixed melting point.
Specifications: Appearance: White powder/solid | Content: ≥96% or ≥92% | Solubility: ≤40 minutes | Formic acid: ≤0.05% | pH: 5-7
High purity metal alloy powder optimized for pyrotechnic, industrial refractory, and additive manufacturing coatings requiring uniform particle size and reliable reaction rates.
Ultra-pure specialty electronic gas utilized primarily as a low-temperature plasma etchant in microelectronics and semiconductor manufacturing.
Highly refined additive utilized in chemical synthesis, food processing flow conditioning, and various industrial polymer configurations.
High-dielectric gas optimized for electrical insulation in high-voltage transformers, switchgears, and electronic manufacturing chambers.
Everything you need to know about sourcing, specs, and handling of Dimeryl Diisocyanate and specialty compounds
High-purity chemical components optimized for structural stability and technological durability
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