4,4′-Methylenebis(2,6-diethylphenyl isocyanate)
4,4′-Methylenebis(2,6-diethylphenyl isocyanate) (CAS: 105442-35-1) is a specialized aromatic diisocyanate with the linear formula CH2[C6H2(C2H5)2NCO]2 and a molecular weight of 362.46 g/mol. Characterised by its sterically hindered isocyanate groups, it is primarily utilised as a monomer in the synthesis of advanced polymers, particularly polyurethanes and polyureas, offering unique properties due to the bulky diethylphenyl substituents.
- Synonyms
- 105442-35-1CH2[C6H2(C2H5)2NCO]2
![4,4′-Methylenebis(2,6-diethylphenyl isocyanate) (CH2[C6H2(C2H5)2NCO]2) — chemical structure, CAS 105442-35-1; Materials Science, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F105442-35-1.png&w=3840&q=75)
Polymer Synthesis
Serves as a monomer for the production of high-performance polyurethanes and polyureas. The sterically hindered nature of the isocyanate groups can lead to polymers with enhanced thermal stability and specific mechanical properties.
Materials Science
Investigated for use in developing novel materials requiring specific cross-linking or tailored polymer architectures. Its structure allows for unique reaction kinetics and final material characteristics.
Specialty Coatings and Adhesives
Potentially used in formulations for specialty coatings and adhesives where enhanced durability, chemical resistance, or specific curing profiles are desired. The diisocyanate functionality enables network formation.
| Molecular weight | 362.46 |
|---|---|
| Linear formula | CH2[C6H2(C2H5)2NCO]2 |
| Assay | 98% |
| Melting point | 55-57 °C(lit.) |
Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- 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 | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3335 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37 |
| Safety statements (S) | 26-36 |
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 4,4′-Methylenebis(2,6-diethylphenyl isocyanate) used for?
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This compound is primarily used as a monomer in the synthesis of specialised polymers, such as polyurethanes and polyureas, in materials science applications where specific properties like thermal stability are required.
What is the CAS number and linear formula for 4,4′-Methylenebis(2,6-diethylphenyl isocyanate)?
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The CAS number is 105442-35-1 and the linear formula is CH2[C6H2(C2H5)2NCO]2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 98%. We do not represent this product as meeting USP, BP, EP, or any other pharmacopoeia standards.
How should 4,4′-Methylenebis(2,6-diethylphenyl isocyanate) be handled?
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This chemical is harmful if swallowed, in contact with skin, or if inhaled, and causes serious eye irritation and respiratory irritation (H302-H312-H319-H332-H335). It requires the use of a dust mask type N95 (US), eyeshields, and gloves. Always handle in a well-ventilated area and follow appropriate safety protocols.
Is 4,4′-Methylenebis(2,6-diethylphenyl isocyanate) a controlled substance?
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The provided data does not indicate that 4,4′-Methylenebis(2,6-diethylphenyl isocyanate) is a controlled substance.
How is this product packed and shipped?
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This product is packed according to standard chemical handling procedures and is available for export globally by Tech Serve Solutions.
How can I request a sample or quote?
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To request a sample or a quote for 4,4′-Methylenebis(2,6-diethylphenyl isocyanate), please contact our sales team through the website or via direct enquiry.
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