3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE
- CAS NO.：91-93-0
- Empirical Formula: C16H12N2O4
- Molecular Weight: 296.28
- MDL number: MFCD00013847
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-06-13 14:48:16
What is 3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE?
Chemical properties
grey to brown powder
Definition
ChEBI: 3,3'-Dimethoxybenzidine-4,4'-diisocyanate is a member of biphenyls.
General Description
Gray to brown powder or dark beige sandy powder. Melting point 112°C. Insoluble in water. Toxic by inhalation and ingestion. A skin irritant. Used in making plastics.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE may react with amines, aldehydes, alcohols, alkali metals, ketones, mercaptans, strong oxidizing agents, hydrides, phenols, and peroxides with vigorous releases of heat. May undergo polymerization reactions with acids and bases.
Fire Hazard
Flash point data for 3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE are not available; however, 3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE is probably combustible.
Safety Profile
Poison by intravenous route. A strong sensitizer. Questionable carcinogen with experimental carcinogenic data. When heated to decomposition it emits toxic fumes of NOx. See also CYANATES.
Properties of 3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE
| Melting point: | 112-116 °C(lit.) |
| Boiling point: | 437.88°C (rough estimate) |
| Density | 1.2288 (rough estimate) |
| refractive index | 1.5800 (estimate) |
| Flash point: | 170 °F |
| Stability: | Stable, but air and water sensitive. Incompatible with strong oxidizing agents, strong acids. |
| IARC | 3 (Vol. 39, Sup 7) 1987 |
| EPA Substance Registry System | 3,3'-Dimethoxybenzidine-4,4'-diisocyanate (91-93-0) |
Safety information for 3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE
Computed Descriptors for 3,3'-DIMETHOXY-4,4'-BIPHENYLENE DIISOCYANATE
New Products
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