| Name | Tetramethylphosphonium bromide |
| Synonyms | NSC 617067 tetramethylphosphanium Tetramethylphosphonium bromide |
| CAS | 4519-28-2 |
| Molecular Formula | (CH3)4P(Br) |
| Molar Mass | 171.02 |
| Water Solubility | Insoluble in water. |
| Appearance | crystal |
| Color | colorless |
| Storage Condition | Room Temprature |
| Stability | hygroscopic |
| Sensitive | Easily damp |
| MDL | MFCD00011802 |
| Hazard Symbols | Xi - Irritant![]() |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| 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 |
| UN IDs | 3278 |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 3-10 |
| Packing Group | III |