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7647-19-0

7647-19-0 structural image
Product Name: PHOSPHORUS PENTAFLUORIDE
Formula: F5P
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Phosphorus pentafluoride is a colorless, poisonous, nonflammable, compressed gas with a pungent odor. It is extremely irritating to skin, eyes and mucus membranes. It is very toxic by inhalation and can cause pulmonary edema. Toxic and corrosive fumes are generated when this material is exposed to water or steam. Prolonged exposure of the containers to fire or heat may result in their violent rupturing and rocketing. It is used as a polymerization catalyst.
Color/Form COLORLESS GAS
Odor Unpleasant odor
Boiling Point -84.6 °C
Melting Point -93.8 °C
Density 5.805 G/L (GAS)
Stability/Shelf Life FUMES STRONGLY IN AIR; HIGH THERMAL STABILITY
Decomposition WHEN HEATED TO DECOMP, EMITS HIGHLY TOXIC FUMES OF /HYDROGEN FLUORIDE AND PHOSPHORUS OXIDES./
Heat of Vaporization 16.7 kJ/mol
Other Experimental Properties TROUTON CONSTANT 21.8; DIPOLE MOMENT 0; DOES NOT ATTACK DRY GLASS EVEN AT 250 °C, BUT A SLIGHT TRACE OF MOISTURE LEADS TO FORMATION OF POTASSIUM OXYTRIFLUORIDE (POF3) AND HYDROGEN FLUORIDE (HF); WATER HYDROLYSIS ULTIMATELY YIELDS PHOSPHORIC ACID; INTERMEDIATES ARE OXYFLUORPHOSPHATES; LEWIS ACID ... FORMS CRYSTALLINE ADDN PRODUCT PHOSPHORUS PENTAFLUORIDE-NITROGEN DIOXIDE (PF5-NO2) AT -10 °C WHICH DISSOCIATES ON WARMING
Chemical Classes Toxic Gases & Vapors -> Corrosive Gases

SAFETY INFORMATION

Pictogram(s)

Corrosion
Corrosives
GHS05

Skull and Crossbones
Acute Toxicity
GHS06
GHS Hazard Statements H314:Skin corrosion/irritation
H318:Serious eye damage/eye irritation
H330:Acute toxicity,inhalation
Precautionary Statement Codes P320:Specific treatment is urgent (see … on this label).
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405:Store locked up.

COMPUTED DESCRIPTORS

Molecular Weight 125.9657778 g/mol
XLogP3 2.7
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 5
Rotatable Bond Count 0
Exact Mass 125.96577781 g/mol
Monoisotopic Mass 125.96577781 g/mol
Topological Polar Surface Area 0 Ų
Heavy Atom Count 6
Formal Charge 0
Complexity 37.1
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 pentafluoride is a colorless, poisonous, nonflammable, compressed gas with a pungent odor. It is extremely irritating to skin, eyes and mucus membranes. It is very toxic by inhalation and can cause pulmonary edema. Toxic and corrosive fumes are generated when this material is exposed to water or steam. Prolonged exposure of the containers to fire or heat may result in their violent rupturing and rocketing. It is used as a polymerization catalyst.