1,3-Bis(isocyanatomethyl)cyclohexane
1,3-Bis(isocyanatomethyl)cyclohexane (CAS 38661-72-2) is a difunctional isocyanate monomer with the linear formula C6H10(CH2NCO)2 and a molecular weight of 194.23 g/mol. This compound is utilised in polymer science and materials science for the synthesis of polyurethanes and other polymers. Its bifunctional nature allows for cross-linking and the development of materials with specific mechanical and thermal properties.
- Synonyms
- C6H10(CH2NCO)2

Polyurethane Synthesis
As a difunctional monomer, 1,3-Bis(isocyanatomethyl)cyclohexane can react with polyols to form polyurethane chains. It contributes to the development of polymers with tailored characteristics suitable for coatings, adhesives, sealants, and elastomers.
Materials Science Research
This compound serves as a building block in materials science for creating novel polymeric materials. Its cycloaliphatic structure can impart rigidity and improved thermal stability to the resulting polymers.
Cross-linking Agent
The two isocyanate groups enable 1,3-Bis(isocyanatomethyl)cyclohexane to act as a cross-linking agent, enhancing the mechanical strength, solvent resistance, and durability of polymer networks.
| Molecular weight | 194.23 |
|---|---|
| Linear formula | C6H10(CH2NCO)2 |
| Assay | 99% |
| Density | 1.101 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.485(lit.) |
| Vapour pressure | 0.4 mmHg (98 °C) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- 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 | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 2206PSN1B 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| Safety statements (S) | 23-26-36/37/39-45 |
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 1,3-Bis(isocyanatomethyl)cyclohexane used for?
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1,3-Bis(isocyanatomethyl)cyclohexane is used as a difunctional monomer in polymer science and materials science for synthesising polyurethanes and other polymers. It also functions as a cross-linking agent.
What are the CAS number and formula for 1,3-Bis(isocyanatomethyl)cyclohexane?
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The CAS number is 38661-72-2 and the linear formula is C6H10(CH2NCO)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,3-Bis(isocyanatomethyl)cyclohexane with an assay of 99%. This is a technical/research grade material, and TSS does not represent it as USP, BP, or EP grade.
What are the safety considerations for handling 1,3-Bis(isocyanatomethyl)cyclohexane?
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1,3-Bis(isocyanatomethyl)cyclohexane is classified as harmful if swallowed, in contact with skin, or if inhaled, and causes skin and serious eye irritation. It may also cause respiratory irritation. Appropriate personal protective equipment, including eyeshields, face shields, gloves, and suitable respiratory protection, must be used. Ensure adequate ventilation.
How is 1,3-Bis(isocyanatomethyl)cyclohexane packed, shipped, and exported?
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This chemical is packed according to relevant shipping regulations for hazardous materials. Tech Serve Solutions is experienced in exporting chemicals globally and ensures compliance with all international shipping standards.
How can I request a quote or sample for 1,3-Bis(isocyanatomethyl)cyclohexane?
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To request a quote or a sample, please contact the Tech Serve Solutions sales team through our website or by phone, providing your specific requirements.
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