对甲基苯异氰酸酯
p-Tolyl isocyanate
CAS: 622-58-2
Molecular Formula: C8H7NO
对甲基苯异氰酸酯 - Names and Identifiers
| Name | p-Tolyl isocyanate |
| Synonyms | p-Tolyl isocyanate p-Isocyanatotoluene 4-Isocyanatotoluene p-tolueneisocyanate p-Toluene isocyanate para-tolyl isocyanate isocyanatedep-toluene Oftoluene diisocyanate 4-Methylphenyl isocyanate 1-isocyanato-4-methylbenzene benzene,1-isocyanato-4-methyl- Isocyanic acid, p-tolyl ester (7CI,8CI) |
| CAS | 622-58-2 |
| EINECS | 210-743-4 |
| InChI | InChI=1/C8H7NO/c1-7-2-4-8(5-3-7)9-6-10/h2-5H,1H3 |
| InChIKey | MGYGFNQQGAQEON-UHFFFAOYSA-N |
对甲基苯异氰酸酯 - Physico-chemical Properties
| Molecular Formula | C8H7NO |
| Molar Mass | 133.15 |
| Density | 1.056 g/mL at 25 °C (lit.) |
| Melting Point | 155-156 °C(Solv: acetonitrile (75-05-8); hexane (110-54-3)) |
| Boling Point | 70-72 °C/10 mmHg (lit.) |
| Flash Point | 152°F |
| Water Solubility | 7.5g/L at 20℃ |
| Vapor Presure | 75.5Pa at 25℃ |
| Appearance | Liquid |
| Color | Clear slightly brown |
| BRN | 471494 |
| Storage Condition | 2-8°C |
| Sensitive | Moisture Sensitive |
| Refractive Index | n20/D 1.531(lit.) |
| MDL | MFCD00002029 |
对甲基苯异氰酸酯 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. R42 - May cause sensitization by inhalation |
| Safety Description | S23 - Do not breathe vapour. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | 2206 |
| WGK Germany | 3 |
| RTECS | DA3681666 |
| FLUKA BRAND F CODES | 21 |
| TSCA | Yes |
| HS Code | 29299010 |
| Hazard Class | 6.1 |
| Packing Group | II |
对甲基苯异氰酸酯 - Reference Information
| LogP | 1.39 |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | intermediate |
Last Update：2024-04-09 02:00:10
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