4128-73-8
4128-73-8 structure
- Name: 4,4'-oxybis(phenyl isocyanate)
- Chemical Name: 1-isocyanato-4-(4-isocyanatophenoxy)benzene
- CAS Number: 4128-73-8
- Molecular Formula: C14H8N2O3
- Molecular Weight: 252.22500
- Catalog: Chemical reagent Organic reagent Cyanate ester / isocyanate
- Create Date: 2018-03-08 08:00:00
- Modify Date: 2024-01-24 23:18:14
| Name | 1-isocyanato-4-(4-isocyanatophenoxy)benzene |
|---|---|
| Synonyms |
4,4'-Diisocyanatodiphenyl oxide
4,4'-Diisocyanatodiphenyl ether MFCD00216648 |
| Density | 1.2700 (rough estimate) |
|---|---|
| Boiling Point | 196ºC5 mm Hg(lit.) |
| Melting Point | 64-68ºC(lit.) |
| Molecular Formula | C14H8N2O3 |
| Molecular Weight | 252.22500 |
| Exact Mass | 252.05300 |
| PSA | 68.09000 |
| LogP | 3.41350 |
| Index of Refraction | 1.5910 (estimate) |
| Symbol |
GHS06, GHS08 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H301-H312-H315-H317-H319-H330-H334-H335 |
| Precautionary Statements | P260-P280-P284-P301 + P310-P305 + P351 + P338-P310 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xn |
| Risk Phrases | 20/21/22-36/37/38 |
| Safety Phrases | 23-26-36/37/39 |
| RIDADR | UN 2206 6.1/PG 3 |
| WGK Germany | 3 |
| HS Code | 2929109000 |
|
~%
4128-73-8 |
| Literature: Siefken Justus Liebigs Annalen der Chemie, 1949 , vol. 562, p. 75,1114 |
| HS Code | 2929109000 |
|---|---|
| Summary | 2929109000. other isocyanates. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |