Name: XENON DIFLUORIDE
SKU: 13709-36-9

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Basic Information

Molecular Structure:
CAS No.:	13709-36-9
Name:	XENON DIFLUORIDE
Article Data:	102

Formula:	F2Xe
Molecular Weight:	169.287
Synonyms:	Xenondifluoride; Xenon difluoride (XeF2); Xenon(II) fluoride
EINECS:	237-251-2
Density:	4.32 g/mL at 25 °C(lit.)
Melting Point:	129 °C(lit.)
Boiling Point:	114.35°C (estimate)
Flash Point:	n/a
Solubility:	Decomposes in water.
Appearance:	white crystalline solid
Hazard Symbols:	O,T+,T
Risk Codes:	8-25-26-34
PSA:	0.00000
LogP:	0.45960

Synthetic route

: xenon

: 7782-41-4
fluorine

: 13709-36-9
xenon difluoride

Conditions

Conditions	Yield
In neat (no solvent) Xe and F2 condensed into nickel can (-196°C), warmed (room temp., pressure 34 atm.), preheated electric furnace (400°C) placed around the nickel can (7 h, pressure 78 atm.), quenched to room temp. in water, cooled (-78°C); excess Xe condensed into a storage cylinder (-196°C), evapn. (through a cold trap, -78°C);	99.3%
In gas react. temp. of 400°C, Xe:F2 about 2.0, Monel vessel with volume between 95 and 1200 ml; cooling down with H2O;;	>95
Electric Arc; react. of F2 with an excess of Xe in an electrical discharge; sublimation in vac., discarding the leading fraction;

: 7637-07-2
boron trifluoride

: xenon

: silver fluoride

: 7782-41-4
fluorine

A: 14104-20-2
silver tetrafluoroborate

B: 13709-36-9
xenon difluoride

Conditions

Conditions	Yield
In hydrogen fluoride HF (liquid); treatment AgF with BF3 in HF, pptn. of AgBF4, adnn. of F2, removal of volatiles, addn. of Hf, BF3 and xenon (condensed in reactor, -100°C), warming to 20°C with stirring (thermal cycling repeated 3-4 times, in 2 h); removal of volatile (vac., -45°C, 5 h), XeF2 (U trap, -78°C); x-ray photography;	A n/a B 66%

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: silver(II) fluoride

: 7637-07-2
boron trifluoride

: xenon

A: 14104-20-2
silver tetrafluoroborate

B: 13709-36-9
xenon difluoride

Conditions

Conditions	Yield
With HF In hydrogen fluoride HF (liquid); mixing of AgF2 and BF3 in HF (-100°C), warming(to room temp., stirring), addn. of xenon (stirring 12 h); removal of volatile (-45°C, vac.), XeF2 (U trap, -78°C); x-ray powder photography and Raman spectroscopy; novolatile AgBF4; x-ray powder photography;	A n/a B 57.9%

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: 375-00-8
heptafluorobutyronitrile

: 21308-45-2
xenon difluoride * AsF5

A: 13709-36-9
xenon difluoride

B: 112144-32-8
n-C3F7CNXeF cation

Conditions

Conditions	Yield
In further solvent(s) BrF5 as solvent, equimolar amts., low temp.,;

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: 21308-45-2
xenon difluoride * AsF5

: 353-85-5
trifluoroacetonitrile

A: 13709-36-9
xenon difluoride

B: 119127-09-2
CF3CNXeF(1+)

Conditions

Conditions	Yield
In further solvent(s) BrF5 as solvent, equimolar amts., low temp.,;

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: 21308-45-2
xenon difluoride * AsF5

: 422-04-8
pentafluoropropionitrile

A: 13709-36-9
xenon difluoride

B: 112144-30-6
C2F5CNXeF(1+)

Conditions

Conditions	Yield
In further solvent(s) BrF5 as solvent, equimolar amts., low temp.,;

...Expand

: 10578-16-2
dinitrogen difluoride

: xenon

A: 13709-36-9
xenon difluoride

: 13709-61-0
xenon tetrafluoride

Conditions

Conditions	Yield
With oxygen fluorides on fluorination of Xe by oxygen fluoride;; XeF4 is polluted with XeF2;;
on react. of Xe with excess N2F2 (N2F2 : Xe = 2:1) in Monel vessels (24h/90-100°C);;
With oxygen fluorides

...Expand

: 91899-63-7
AgF3

: xenon

A: 13709-36-9
xenon difluoride

B: silver(II) fluoride

Conditions

Conditions	Yield
In further solvent(s) solvent: anhydrous HF; AgF3 in solvent exposed to large excess of Xe gas at 20 ° C, mixture allowed to ionteract at ca. 20 ° C for 1 h,; tube cooled to -78 ° C,excess Xe and solvent removed under vac.,mixture warmed to ca. 20 ° C,XeF2 on the walls of the tube and AgF2 in the bottom (X-ray powder photograph identical with that of authentic sample);

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