| Name | tetrabutylphosphonium chloride |
| Synonyms | HISHICOLIN PX-4C Tetrabutyl phosphoni tetrabutylphosphonium chloride Tetra-n-butylphosphonium chloride phosphonium, tetrabutyl-, hydrochloride |
| CAS | 2304-30-5 |
| EINECS | 218-964-8 |
| InChI | InChI=1/C16H36P.ClH/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4;/h5-16H2,1-4H3;1H/q+1 |
| Molecular Formula | C16H36ClP |
| Molar Mass | 294.88 |
| Density | 0.978[at 20℃] |
| Melting Point | 62-66 °C (dec.) (lit.) |
| Boling Point | 344.8℃[at 101 325 Pa] |
| Flash Point | 4°C (39°F) |
| Vapor Presure | 0.018Pa at 25℃ |
| Appearance | liquid |
| Specific Gravity | 0.91 |
| Color | colorless to pale-yellow |
| BRN | 4019186 |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Sensitive | 4: no reaction with water under neutral conditions |
| Refractive Index | 1.5 |
| Hazard Symbols | T - Toxic![]() |
| Risk Codes | R22 - Harmful if swallowed R24 - Toxic in contact with skin R34 - Causes burns |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 2928 6.1/PG 2 |
| WGK Germany | 3 |
| RTECS | TA2419000 |
| FLUKA BRAND F CODES | 3-10 |
| TSCA | No |
| Hazard Class | 6.1(a) |
| Packing Group | II |
| LogP | -0.44 at 23℃ |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |