| Name | Tetrabutylphosphonium bromide |
| Synonyms | px4b TributylphosphoniuM broMide Bromo(tetrabutyl)phosphorane tetrabutyl-phosphoniubromide Tetrabutylphosphomum bromide Tetrabutylphosphonium bromide Tertabutylphosphoriun bromide Phosphonium,tetrabutyl-,bromide Tetra-n-butylphosphonium bromide Phosphonium, tetrabutyl-, bromide Tetranbutylphosphoniumbromidewhitextl |
| CAS | 3115-68-2 |
| EINECS | 221-487-8 |
| InChI | InChI=1/C16H36P.BrH/c1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4;/h5-16H2,1-4H3;1H/q+1;/p-1 |
| InChIKey | JRMUNVKIHCOMHV-UHFFFAOYSA-M |
| Molecular Formula | C16H36BrP |
| Molar Mass | 339.33 |
| Density | 1.8[at 20℃] |
| Melting Point | 100-103°C(lit.) |
| Flash Point | 290 °C |
| Water Solubility | ca 70 g/100 mL |
| Vapor Presure | 0.018Pa at 25℃ |
| Appearance | crystal |
| Color | white |
| BRN | 4160474 |
| Storage Condition | under inert gas (nitrogen or Argon) at 2-8°C |
| Stability | hygroscopic |
| Sensitive | Hygroscopic |
| Risk Codes | R21/22 - Harmful in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. R24 - Toxic in contact with skin R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection 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. S28A - S36 - Wear suitable protective clothing. |
| UN IDs | UN 3464 6.1/PG 3 |
| WGK Germany | 3 |
| RTECS | TA2417000 |
| TSCA | Yes |
| HS Code | 29310095 |
| Hazard Class | 6.1 |
| Packing Group | II |
| LogP | -0.44 at 23℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | ion pair reagent, used in the synthesis of palamicillin, sultamicillin, etc.; it is also an effective phase transfer catalyst |