7789-60-8

Product Name: Phosphorus tribromide

Formula: Br3P

Synonyms: Phosphorus tribromide;Phosphorus(III) bromide

Inquiry

CHEMICAL AND PHYSICAL PROPERTIES SAFETY INFORMATION COMPUTED DESCRIPTORS PRODUCT INTRODUCTION RELATED SUPPLIERS

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 Å²
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).