4,4′-Oxybis(phenyl isocyanate)
4,4′-Oxybis(phenyl isocyanate) (CAS 4128-73-8) is an organic compound with the linear formula O(C6H4NCO)2 and a molecular weight of 252.22 g/mol. This chemical is a key building block in organic synthesis, particularly utilized in the production of polymers and specialized materials. Its reactive isocyanate groups make it valuable for creating cross-linked structures and modifying polymer properties.
- Synonyms
- O(C6H4NCO)2
Polymer Synthesis
Utilized as a monomer or cross-linking agent in the synthesis of polyurethanes and polyureas, contributing to materials with enhanced thermal and mechanical properties.
Organic Synthesis Intermediate
Serves as a versatile intermediate in the chemical industry for the creation of more complex organic molecules and specialty chemicals.
Material Science
Involved in the development of advanced materials, leveraging its reactivity to form robust chemical bonds in novel polymer architectures.
| Molecular weight | 252.22 |
|---|---|
| Linear formula | O(C6H4NCO)2 |
| Assay | 96% |
| Boiling point | 196 °C/5 mmHg(lit.) |
| Melting point | 64-68 °C(lit.) |
Hazard statements
- H301Toxic if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H330Fatal if inhaled
- H334May cause allergy or asthma symptoms if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P280Wear protective gloves, clothing and eye/face protection
- P284Wear respiratory protection
- P301IF SWALLOWED
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T+ |
| Risk statements (R) | 21-25-26-36/37/38-42/43 |
| Safety statements (S) | 22-26-28-36/37-45 |
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 4,4′-Oxybis(phenyl isocyanate) used for?
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4,4′-Oxybis(phenyl isocyanate) is primarily used as a building block in organic synthesis, particularly for the creation of polymers like polyurethanes and polyureas, and in the development of advanced materials.
What is the CAS number and chemical formula for 4,4′-Oxybis(phenyl isocyanate)?
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The CAS number is 4128-73-8 and the linear chemical formula is O(C6H4NCO)2.
What grade and purity does Tech Serve Solutions supply for 4,4′-Oxybis(phenyl isocyanate)?
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Tech Serve Solutions supplies 4,4′-Oxybis(phenyl isocyanate) with an assay of 96%. We do not represent this product as USP, BP, or EP grade unless explicitly stated in the product specifications.
How should 4,4′-Oxybis(phenyl isocyanate) be handled safely?
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Handling requires caution due to hazards including toxicity if swallowed or inhaled, skin and eye irritation, and potential respiratory sensitization. Use a dust mask type N95, eyeshields, and gloves. Ensure adequate ventilation and avoid dust formation. Refer to the Safety Data Sheet for comprehensive handling procedures.
How is 4,4′-Oxybis(phenyl isocyanate) packed and shipped by TSS?
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Tech Serve Solutions exports 4,4′-Oxybis(phenyl isocyanate) globally, ensuring compliance with all shipping regulations for hazardous materials. Packaging is designed to maintain product integrity and safety during transit.
How can I request a sample or quote for 4,4′-Oxybis(phenyl isocyanate)?
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To request a sample or a detailed quote for 4,4′-Oxybis(phenyl isocyanate), please contact our sales department through the website or by phone, providing your specific requirements.
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