4,4'-diisocyanatodiphenyl ether
diphenylether-4,4'-diisocyanate
Identification
| Name | 4,4'-diisocyanatodiphenyl ether |
| IUPAC | 1-isocyanato-4-(4-isocyanatophenoxy)benzene |
| CAS Number | 4128-73-8 |
| FDA UNII | FY74W1G2FI |
| Molecular Formula | C14 H8 N2 O3 |
| Molecular Weight | 252.22936000 |
| MDL Number | MFCD00216648 |
| Nikkaji Number | J164.788A |
Regulatory
| DG SANTE Food Contact Materials | diphenylether-4,4'-diisocyanate |
Physical Properties
| Assay | 95.00 to 100.00 |
| Food Chemicals Codex Listed | No |
| Soluble in | water, 0.7562 mg/L @ 25 °C (est) |
No sensory data available
Safety Information
| Preferred SDS | View |
| Oral/Parenteral Toxicity | Not determined |
| Dermal Toxicity | Not determined |
| Inhalation Toxicity | Not determined |
GHS Classification
['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']
Safety in Use
| Category | indirect food additives: adhesives and components of coatings |
| Recommendation for 4,4'-diisocyanatodiphenyl ether usage levels up to | not for fragrance use. |
| Recommendation for 4,4'-diisocyanatodiphenyl ether flavor usage levels up to | not for flavor use. |
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Potential Uses
Natural Occurrence
Synonyms
benzene, 1,1'-oxybis(4-isocyanato-
1-iso
cyanato-4-(4-isocyanatophenoxy)benzene
diphenylether-4,4'-diisocyanate
1,1'-
oxybis(4-isocyanatobenzene
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