7789-60-8
Product Name:
Phosphorus tribromide
Formula:
Br3P
Synonyms:
Phosphorus tribromide;Phosphorus(III) bromide
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Phosphorus tribromide appears as a colorless fuming liquid with a pungent odor. Corrosive to metals and tissue. Boiling point 347 °F (175 °C). Freezing point -40 °F (-40 °C). |
|---|---|
| Color/Form | Fuming colorless liquid |
| Odor | Penetrating odor |
| Boiling Point | 343 °F at 760 mmHg (USCG, 1999) |
| Melting Point | -42.9 °F (USCG, 1999) |
| Solubility | Reacts with water, ethanol; soluble in acetone, carbon disulfide |
| Density | 2.862 at 86 °F (USCG, 1999) - Denser than water; will sink |
| Vapor Pressure | 10 mm Hg at 47.8 °C |
| Decomposition | ... If involved in a fire, /phosphorus tribromide/ decomposes to produce hydrogen bromide, phosphoric acid, phosphine. |
| Corrosivity | IN PRESENCE OF MOISTURE, HIGHLY CORROSIVE TO MOST METALS EXCEPT LEAD & NICKEL |
| Heat of Vaporization | 38.9 kJ/mol |
| Surface Tension | 45.8 DYNES/CM= 0.0458 N/M AT 24 °C |
| Refractive Index | Index of refraction = 1.678 at 25 °C |
| Other Experimental Properties | Heat of formation: -184.5 kJ/mol; heat of evaporation: 31 kJ/mol |
| Chemical Classes | Other Classes -> Phosphorus Compounds |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. 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 | 270.69 g/mol |
|---|---|
| XLogP3 | 2.8 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 0 |
| Rotatable Bond Count | 0 |
| Exact Mass | 269.72673 g/mol |
| Monoisotopic Mass | 267.72877 g/mol |
| Topological Polar Surface Area | 0 Ų |
| Heavy Atom Count | 4 |
| Formal Charge | 0 |
| Complexity | 8 |
| 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 | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Phosphorus tribromide appears as a colorless fuming liquid with a pungent odor. Corrosive to metals and tissue. Boiling point 347 °F (175 °C). Freezing point -40 °F (-40 °C).