1,12-Diisocyanatododecane
1,12-Diisocyanatododecane (CAS: 13879-35-1) is an aliphatic diisocyanate with the linear formula OCN(CH2)12NCO and a molecular weight of 252.35 g/mol. This compound serves as a difunctional monomer, crucial for the synthesis of polymers like polyurethanes and polyureas. Its long aliphatic chain imparts flexibility and hydrophobicity to the resulting polymer structures, making it suitable for specialised material science applications.
- Synonyms
- OCN(CH2)12NCO
Polyurethane Synthesis
1,12-Diisocyanatododecane reacts with polyols to form polyurethanes. The long C12 chain introduces flexibility and lowers the glass transition temperature of the resulting polymers, enhancing properties like elasticity and impact resistance.
Polyurea Production
As a diisocyanate, it readily reacts with diamines to create polyureas. These polymers are known for their toughness, chemical resistance, and rapid curing, finding use in coatings and elastomers.
Materials Science Research
This monomer is employed in the development of novel polymeric materials. Researchers utilise its unique structure to tailor polymer properties for advanced applications in fields requiring specific mechanical or surface characteristics.
Crosslinking Agent
In polymer chemistry, 1,12-diisocyanatododecane can function as a crosslinking agent, connecting polymer chains to improve tensile strength, thermal stability, and solvent resistance of the final material.
| Molecular weight | 252.35 |
|---|---|
| Linear formula | OCN(CH2)12NCO |
| Assay | 97% |
| Boiling point | 168-169 °C/3 mmHg(lit.) |
| Density | 0.94 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.459(lit.) |
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 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| Safety statements (S) | 26-37/39 |
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 1,12-Diisocyanatododecane used for?
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1,12-Diisocyanatododecane is primarily used as a difunctional monomer in the synthesis of polymers such as polyurethanes and polyureas. Its long aliphatic chain contributes flexibility and hydrophobicity to the resulting polymeric materials, making it valuable in materials science and for producing specialised coatings and elastomers.
What are the CAS number and formula for 1,12-Diisocyanatododecane?
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The CAS number for 1,12-Diisocyanatododecane is 13879-35-1, and its linear formula is OCN(CH2)12NCO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,12-Diisocyanatododecane with an assay of 97%. This product is intended for research and industrial use and is not supplied as USP, EP, BP, or any pharmacopoeia grade.
How should 1,12-Diisocyanatododecane be handled safely?
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1,12-Diisocyanatododecane is harmful if swallowed, in contact with skin, or if inhaled, and causes skin and serious eye irritation, as well as respiratory irritation. Appropriate personal protective equipment, including eyeshields, face shields, gloves, and respiratory protection such as a full-face respirator or an ABEK type filter, must be used. Ensure adequate ventilation and avoid breathing vapours.
How is 1,12-Diisocyanatododecane packaged and shipped?
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Tech Serve Solutions exports fine chemicals globally. Specific packaging details for 1,12-Diisocyanatododecane are available upon request, and shipments comply with all relevant international regulations for hazardous materials.
How can I request a quote or sample?
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To request a quote or a sample of 1,12-Diisocyanatododecane, please use the contact form on our website or contact our sales department directly with your inquiry.
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