| Item | Index |
|---|---|
| Purity, % | ≥99.6 |
| Chromatic Number, Apha | ≤30 |
| 2,4’,-isomer, % | 50~54 |
| Cyclohexane Insolubles, % | ≤0.3 |
| Hydrolysable Chlorides, % | ≤0.005 |
| Packing | In 240KG drum |
|---|---|
| Storage | 20℃, 2 years. |
| Shipping | Room temperature in China; may vary elsewhere |
| Common Names | MDI | diphenylmethane-4,4'-diisocyanate | 4,4'-Methylenediphenyl diisocyanate | ||||||
|---|---|---|---|---|---|---|---|
| Structure | ![]() |
||||||
| CAS No. | 101-68-8 | Boiling Point (℃) | 392 ºC | ||||
| Molecular Weight | 250.252 | Melting Point (℃) | 38-44 °C | ||||
| Appearance | White to light yellow molten solid, irritating odor when heated. | Vapor Specific Gravity | 8.64 | ||||
| HS Code | 29291090 | Flash Point (℃) | 196 ºC | ||||
| Solubility | Soluble in acetone, benzene, kerosene, etc | Autoignition Temperature (℃) | N/A | ||||
| Safety Phrases | S23;S36/37;S45 |
|---|---|
| RIDADR | UN 2811 |
| WGK Germany | N/A |
| Packaging Group | II |
| Hazard Class | 6.1 |
| SYMPTOMS | PREVENTION | FIRST AID | |
|---|---|---|---|
| Inhalation | Cough. Sore throat. | Use local exhaust or breathing protection. | Fresh air, rest. |
| Skin | Redness. Burning sensation. Itching. | Protective gloves. | Remove contaminated clothes. Rinse and then wash skin with water and soap. |
| Eyes | Redness. Pain. | Wear safety goggles. | First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. |
| Ingestion | Abdominal pain. Nausea. Vomiting. | Do not eat, drink, or smoke during work. Wash hands before eating. | Rinse mouth. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Refer for medical attention . |