CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Dry Powder; Pellets or Large Crystals |
|---|
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H318:Serious eye damage/eye irritation H412:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 371.2 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 4 |
| Exact Mass | 370.04860 g/mol |
| Monoisotopic Mass | 370.04860 g/mol |
| Topological Polar Surface Area | 0 Ų |
| Heavy Atom Count | 22 |
| Formal Charge | 0 |
| Complexity | 247 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 2 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
Description
Ethyltriphenyl phosphonium bromide (ETPB) is a hydroscopic white to off-white crystalline powder. Its chemical formula is C2H5P(C6H5)3·Br. It is used as a phase-transfer catalyst in the production of epoxy resins and powder coatings and as a pharmaceutical intermediate.