P-PHENYLENE DIISOCYANATE
p-phenylene diisocyanate
CAS: 104-49-4
Molecular Formula: C8H4N2O2
P-PHENYLENE DIISOCYANATE - Names and Identifiers
P-PHENYLENE DIISOCYANATE - Physico-chemical Properties
| Molecular Formula | C8H4N2O2 |
| Molar Mass | 160.13 |
| Density | 1.3848 (rough estimate) |
| Melting Point | 96-99 °C (lit.) |
| Boling Point | 260 °C (lit.) |
| Flash Point | >230°F |
| Water Solubility | 130mg/L at 20℃ |
| Solubility | THF: soluble |
| Vapor Presure | <0.01 mm Hg ( 20 °C) |
| Appearance | powder to crystal |
| Color | White to Light yellow |
| Stability | Stable. Combustible. Incompatible with strong oxidising agents, strong alkalies, strong acids, alcohols, amines. Moisture sensitive. |
| Refractive Index | 1.4900 (estimate) |
P-PHENYLENE DIISOCYANATE - Risk and Safety
| 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 R34 - Causes burns R41 - Risk of serious damage to eyes R38 - Irritating to the skin |
| Safety Description | S22 - Do not breathe dust. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. 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 | UN 2811 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | CZ6150000 |
| HS Code | 29291010 |
| Hazard Class | 6.1 |
| Packing Group | III |
P-PHENYLENE DIISOCYANATE - Reference Information
| LogP | 3.19 at 20℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | p-phenylene diisocyanate is the simplest aromatic diisocyanate with white flaky crystals. Can be used as organic synthesis, pharmaceutical intermediates. intermediate |
Last Update：2024-04-10 22:29:15
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View History
P-PHENYLENE DIISOCYANATE
C.I. 76530
锰砂
Titanous chloride
Pigment Red H2BA
硫代醋酸钾
Decyl bromide
VANADYL OXALATE
Benzene phosphorus oxychloride
高纯氧
C.I. 76530
锰砂
Titanous chloride
Pigment Red H2BA
硫代醋酸钾
Decyl bromide
VANADYL OXALATE
Benzene phosphorus oxychloride
高纯氧