4,4'-Oxybis(phenyl isocyanate)
4,4'-Oxybis(phenyl isocyanate) (CAS 4128-73-8) supplier Zemixal. Request a quote with price, lead time and documents. Exported from India with full paperwork.
About 4,4'-Oxybis(phenyl isocyanate)
Researchers and plant chemists source 4,4'-Oxybis(phenyl isocyanate) from Zemixal for routine and specialised work. Identity at a glance: CAS 4128-73-8, formula C14H8N2O3 and molar mass 252.22 g/mol.
Typical applications
- Organic synthesis
- API synthesis
Handling and storage
Hazard communication follows GHS (Danger: H301, H312, H315 and H317). Our SDS lists exposure controls and first-aid measures.
Standard pack sizes are 100 mg, 250 mg, 1 g and 5 g, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Organic synthesis
- API synthesis
Applications
Specifications and identifiers
| Product name | 4,4'-Oxybis(phenyl isocyanate) |
|---|---|
| Catalogue number | ZX-046586 |
| CAS number | 4128-73-8 |
| IUPAC name | 1-isocyanato-4-(4-isocyanatophenoxy)benzene |
| Molecular formula | C14H8N2O3 |
| Molar mass | 252.22 g/mol |
| Exact mass | 252.0535 |
| XLogP3 | 5.1 |
| H-bond donors / acceptors | 0 / 5 |
| Topological polar surface area | 68.1 Ų |
| HS code | 2933 |
| InChIKey | KDLIYVDINLSKGR-UHFFFAOYSA-N |
| SMILES | C1=CC(=CC=C1N=C=O)OC2=CC=C(C=C2)N=C=O |
| PubChem CID | 61332 |
| Synonyms | 4,4'-Diisocyanatodiphenyl ether, di(isocyanatophenyl)ether, 4,4'-Oxybis(isocyanatobenzene), 4,4-Bis(isocyanatophenyl)oxide, 4-(4-isocyanatophenoxy)benzenisocyanate, 4,4'-Diisocyanatodiphenyl ether [Diisocyanates] |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- 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 or breathing difficulties if inhaled
- H335May cause respiratory irritation
Precautionary statements P233, P260, P261, P264, P264 + P265, P270, P271, P272, P280, P284, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, P316, P317, P319, P320, P321, P330, P332 + P317, P333 + P317, P337 + P317, P342 + P316
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 100 mg | Quoted on request | |
| 250 mg | Quoted on request | |
| 1 g | Quoted on request | |
| 5 g | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about 4,4'-Oxybis(phenyl isocyanate)
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