Poly(hexamethylene diisocyanate)
Poly(hexamethylene diisocyanate) (CAS: 28182-81-2) is a versatile aliphatic diisocyanate polymer. It is a key component in the synthesis of high-performance polyurethanes, prized for their excellent light stability, weather resistance, and mechanical properties. Its applications span various industrial sectors, particularly where durability and resistance to UV degradation are essential, contributing to advanced material science and polymer innovations.

Polyurethane Coatings
Used in the formulation of durable, weather-resistant polyurethane coatings for automotive, industrial, and architectural applications. It provides excellent UV stability and gloss retention.
Elastomers and Adhesives
Serves as a building block for high-performance polyurethane elastomers and adhesives, offering good flexibility, abrasion resistance, and bond strength.
Fibre and Textile Treatments
Incorporated into treatments for synthetic fibres and textiles to enhance properties such as durability, water repellency, and feel.
Foams and Sealants
Contributes to the production of specialised polyurethane foams and sealants where resistance to environmental factors is critical.
| Density | 1.12 g/mL at 25 °C |
|---|---|
| Refractive index | n20/D 1.502 |
| Viscosity | 1,300-2,200 cP(25 °C)(lit.) |

Hazard statements
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 170 °C / 338 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36-43 |
| Safety statements (S) | 26-36/37 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Poly(hexamethylene diisocyanate) used for?
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Poly(hexamethylene diisocyanate) is primarily used in the synthesis of polyurethanes, including coatings, elastomers, adhesives, fibres, and sealants, valued for their excellent light and weather resistance.
What is the CAS number and formula for Poly(hexamethylene diisocyanate)?
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The CAS number for Poly(hexamethylene diisocyanate) is 28182-81-2. Its chemical formula is not explicitly defined as a single repeating unit due to its polymeric nature, but it is derived from hexamethylene diisocyanate.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Poly(hexamethylene diisocyanate) in technical/research grades. We do not represent this product as USP, BP, or EP grade.
How should Poly(hexamethylene diisocyanate) be handled safely?
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Handle with appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection (e.g., type ABEK respirator filter). Avoid contact with skin and eyes, and ensure adequate ventilation due to its potential to cause skin irritation and serious eye irritation.
How is Poly(hexamethylene diisocyanate) packed and shipped?
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Poly(hexamethylene diisocyanate) is carefully packed for secure transport and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for Poly(hexamethylene diisocyanate)?
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To request a sample or a quotation for Poly(hexamethylene diisocyanate), please contact our sales team through the website or by phone.
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