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7647-19-0

7647-19-0 Structure

7647-19-0 Structure
IdentificationMore
[Name]

PHOSPHORUS PENTAFLUORIDE
[CAS]

7647-19-0
[Synonyms]

AURORA KA-1084
PHOSPHORUS PENTAFLUORIDE
PHOSPHORUS (V) FLUORIDE
POSPHORUS PENTAFLUORIDE
fluoride,penta-phosphoru
pentafluoro-phosphoran
Pentafluorophosphorane
pentafluoro-Phosphorane
pentafluorophosphorus
PF5
Phosphorane, pentafluoro-
phosphorane,pentafluoro-
phosphorusfluoride(pf5)
Phosphoruspentafluoride99%
Phosphorous pentafluoride
Pentafluorophosphorus(V)
Phosphorus(V)pentafluoride
[EINECS(EC#)]

231-602-3
[Molecular Formula]

F5P
[MDL Number]

MFCD00040326
[Molecular Weight]

125.97
[MOL File]

7647-19-0.mol
Chemical PropertiesBack Directory
[Melting point ]

-83°C
[mp ]

-83°C
[Boiling point ]

-75°C
[bp ]

-75°C
[density ]

5.805g/l
[RTECS ]

TH4070000
[Fp ]

-84.6°C
[form ]

Gas
[color ]

Colorless
[Water Solubility ]

hydrolyzed in H2O, eventually to H3PO4 [MER06]
[Sensitive ]

Moisture Sensitive
[Merck ]

14,7352
[CAS DataBase Reference]

7647-19-0(CAS DataBase Reference)
Hazard InformationBack Directory
[Chemical Properties]

colorless gas; nonflammable; fumes strongly in air; high thermal stability; critical temp 144.5°C; critical pressure 3.39MPa; enthalpy of fusion 12.1 kJ/mol; enthalpy of vaporization 17.2 kJ/mol; can be prepared by reaction of PF3 with F2; used as a polymerization catalyst and in electronics industry [AIR87] [HAW93] [MER06] [CRC10] [KIR78]
[General Description]

PHOSPHORUS PENTAFLUORIDE(7647-19-0) is a colorless, poisonous, nonflammable, compressed gas with a pungent odor. PHOSPHORUS PENTAFLUORIDE(7647-19-0) is extremely irritating to skin, eyes and mucus membranes. PHOSPHORUS PENTAFLUORIDE(7647-19-0) 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. PHOSPHORUS PENTAFLUORIDE(7647-19-0) is used as a polymerization catalyst.
[Reactivity Profile]

PHOSPHORUS PENTAFLUORIDE is a colorless, toxic gas, when exposed to air PHOSPHORUS PENTAFLUORIDE strongly fumes. Vigorous reaction with water or steam leads to decomposition (hydrolysis) producing toxic and corrosive fumes. When heated to decomposition PHOSPHORUS PENTAFLUORIDE emits toxic fumes of fluoride and oxides of phosphorus [Lewis, 3rd ed., 1993, p. 1034].
[Air & Water Reactions]

Fumes strongly in air, with traces of moisture forming POF3 and HF (corrosive). Decomposed in water or moist air to form phosphoric acid and hydrofluoric Acid, corrosive [Merck 11th ed. 1989].
[Health Hazard]

TOXIC; may be fatal if inhaled, ingested or absorbed through skin. Vapors are extremely irritating and corrosive. Contact with gas or liquefied gas may cause burns, severe injury and/or frostbite. Fire will produce irritating, corrosive and/or toxic gases. Runoff from fire control may cause pollution.
[Fire Hazard]

Some may burn but none ignite readily. Vapors from liquefied gas are initially heavier than air and spread along ground. Some of these materials may react violently with water. Cylinders exposed to fire may vent and release toxic and/or corrosive gas through pressure relief devices. Containers may explode when heated. Ruptured cylinders may rocket.
Safety DataBack Directory
[Hazard Codes ]

C,T
[Risk Statements ]

R23:Toxic by inhalation.
R32:Contact with acids liberates very toxic gas.
R34:Causes burns.
[Safety Statements ]

S3/7:Keep container tightly closed in a cool place .
S9:Keep container in a well-ventilated place .
S38:In case of insufficient ventilation, wear suitable respiratory equipment .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
[RIDADR ]

2198
[Hazard Note ]

Toxic/Corrosive
[TSCA ]

Yes
[HazardClass ]

2.3
[Safety Profile]

A poisonous gas. Violently irritating to skin, eyes, and - mucous membranes. Inhalation may cause pulmonary edema. Reacts with water or steam to produce toxic and corrosive fumes. When heated to decomposition it emits highly toxic fumes of Fand POx. See also FLUORIDES.
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Bifenthrin-->Fluorine-->Fluorescent Brightener Pf
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

phosphorus pentafluoride(7647-19-0).msds
Questions And AnswerBack Directory
[Uses]

Phosphorus pentafluoride is a catalyst in ionic polymerization reactions.
[Preparation]

Phosphorus pentafluoride may be prepared by several methods, among which are:
  • Treating phosphorus trifluoride with bromine and then heating the product phosphorus trifluoride dibromide, PF3Br2:
PF3 + Br2 → PF3Br2
5PF3Br2 → 3PF5 + 2PBr5
  • Heating phosphorus pentachloride with arsenic trifluoride:
PCl5 + 5AsF3 → 3PF5 + 5AsCl3
  • Subjecting phosphorus trifluoride to an electric spark in the absence of air (a disproportion reaction occurs):
5PF3 → 3PF5 + 2P (in the presence of air, the product is phosphorus oxyfluoride, POF3)
  • Heating a mixture of phosphorus pentoxide and calcium fluoride:
P2O5 + 5CaF2 → 2PF5 + 5CaO
  • Heating a mixture of phosphorus oxyfluoride, hydrogen fluoride and sulfur trioxide:
POF3 + 2HF + SO3 → PF5 + H2SO4
The gas should be stored in steel cylinders in the absence of moisture.
Well-known Reagent Company Product InformationBack Directory
[Alfa Aesar]

Phosphorus(V) fluoride(7647-19-0)
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