Potassium tetrafluoroborate supplier

Name
Potassium tetrafluoroborate
EINECS 237-928-2
CAS No. 14075-53-7
Article Data71
CAS DataBase
Density 2.505 g/mL at 25 °C(lit.)
Solubility water: 4.4 g/L (20 °C)
Melting Point 530 °C(lit.)
Formula KBF₄
Boiling Point 960.85 (310 torr)
Molecular Weight 125.903
Flash Point
Transport Information UN 3260
Appearance light gray crystalline powder.
Safety 37/39-26-45-36/37/39
Risk Codes 36/37/38-34
Molecular Structure
Hazard Symbols Xi,C
Synonyms Borate (1-), tetrafluoro-, potassium;Potassium borofluoride (KBF4);Potassium fluoroborate;Potassium hydrofluoroborate;Potassium fluoborate;Potassium fluoroborate (KBF4);Potassium fluorohydroborate;Potassium borofluoride;Potassium boron fluoride;Potassium boride fluoride;Potassium fluoroborae;
PSA 0.00000
LogP 1.30000

Synthetic route

: lithium tetrafluoroborate

: potassium dicyanomethoxypentafluoroethylborate

A: lithium dicyanomethoxypentafluoroethylborate

B: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
In acetonitrile	A 100% B 99%

...Expand

: potassium chloride

: pyridinium tetrafluoroborate

A: 110-86-1
pyridine

B: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
In water addn. of KCl to C5H5NHBF4; extn. of pyridine with CHCl3, pptn., filtration, washing with a water-alcohol mixture, drying in a hot air oven (about 105°C), elem. anal.;	A n/a B 96%

...Expand

: K2[1,2-C6F4(BF3)2]

: 7637-07-2
boron trifluoride

A: 1,2-C6F4(BF2)2

B: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
In dichloromethane (N2); Schlenk technique; BF3 (5 equiv.) was introduced to stirred suspn.of K2(C6F4(BF3)2) in CH2Cl2 at -40°C; after 30 min soln. degasse d in vac. at -78°C; filtered; residue washed (CH2Cl2); solvent from filtrate distd. (vac.);	A 84% B n/a

...Expand

: 28625-02-7
thallium(I) tetrafluoroborate

: [bis(triphenylphosphine)](o-tolyl)chloronickel

: 582-25-2
Potassium benzoate

A: thallium chloride

B: Ni(OCOPh)(C6H4-o-Me)(PPh3)2

C: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
In tetrahydrofuran Ar atmosphere, stirring of Ni-complex and TlBF4 in THF (20°C, 2 h), removal of pptd. TlCl (filtn.), addn. of K-carboxylate, stirring (20°C, 2 h); removal of pptd. KBF4, partial evapn., pptn. on pentane addn., collection, washing (pentane), drying (vac.); elem. anal.;	A n/a B 78% C n/a

...Expand

: 14873-92-8, 20244-83-1, 15337-84-5, 15442-57-6
cis-dichlorobis(diethylsulfide)platinum(II)

: 2K(1+)*OC(CH3)C(C(O)CH3)C(C(O)CH3)C(CH3)O(2-)=CH3C(OK)C(C(O)CH3)C(C(O)CH3)C(OK)CH3

: {Pt(SEt2)2(3,4-diacetyl-2,4-hexadiene-2,5-diolate-C3,O')}

B: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
With N(C2H5)3 In methanol stirred for 16 h; filtered, filtrate evapd., dissolved in CH2Cl2, dried in vac., crystn. (CH2Cl2-diethyl ether); elem. anal.;	A 78% B n/a
With N(C2H5)3 In methanol stirred for 16 h; filtered, filtrate evapd., dissolved in CH2Cl2, addn. of H2O in a separating funnel, shaken, CH2Cl2-phase sepd., removal of solvent under reduced pressure, dried in vac., crystn. (CH2Cl2-diethyl ether); elem. anal.;	A 34% B n/a

...Expand

: 28625-02-7
thallium(I) tetrafluoroborate

: [bis(triphenylphosphine)](o-tolyl)chloronickel

: 15922-01-7
potassium 4-nitrobenzoate

A: thallium chloride

B: Ni(OCOC6H4-p-NO2)(C6H4-o-Me)(PPh3)2

C: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
In tetrahydrofuran Ar atmosphere, stirring of Ni-complex and TlBF4 in THF (20°C, 2 h), removal of pptd. TlCl (filtn.), addn. of K-carboxylate, stirring (20°C, 2 h); removal of pptd. KBF4, partial evapn., pptn. on pentane addn., collection, washing (pentane), drying (vac.); elem. anal.;	A n/a B 68% C n/a

...Expand

: 28625-02-7
thallium(I) tetrafluoroborate

: [bis(triphenylphosphine)](o-tolyl)chloronickel

: 127-08-2
potassium acetate

A: thallium chloride

B: Ni(OCOMe)(C6H4-o-Me)(PPh3)2

C: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
In tetrahydrofuran Ar atmosphere, stirring of Ni-complex and TlBF4 in THF (20°C, 2 h), removal of pptd. TlCl (filtn.), addn. of K-carboxylate, stirring (20°C, 2 h); removal of pptd. KBF4, partial evapn., pptn. on pentane addn., collection, washing (pentane), drying (vac.); elem. anal.;	A n/a B 63% C n/a

...Expand

: 28625-02-7
thallium(I) tetrafluoroborate

: [bis(triphenylphosphine)](o-tolyl)chloronickel

: 52509-80-5
p-F-C6H4COOK

A: thallium chloride

B: Ni(OCOC6H4-p-F)(C6H4-o-Me)(PPh3)2

C: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
In tetrahydrofuran Ar atmosphere, stirring of Ni-complex and TlBF4 in THF (20°C, 2 h), removal of pptd. TlCl (filtn.), addn. of K-carboxylate, stirring (20°C, 2 h); removal of pptd. KBF4, partial evapn., pptn. on pentane addn., collection, washing (pentane), drying (vac.); elem. anal.;	A n/a B 59% C n/a

...Expand

: {(pentacarbonyl)rhenium(μ-η1:η2-vinyl)rhenium(pentacarbonyl)}BF4={(Pentacarbonyl)rhenium(μ-η1:η2-vinyl)rhenium(pentacarbonyl)}BF4

: 7681-11-0
potassium iodide

A: 78670-77-6
{(pentacarbonyl)rhenium(ethylene)}BF4

B: 13821-00-6
rhenium pentacarbonyl iodide

C: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
In tetrahydrofuran Rhenium-complex is suspended in THF under N2, addn. of KI, reaction mixture is stirred for 15 h at room temp.; light yellow soln. and a colourless ppt. are obtained, sepn. of ppt. and drying, removal of solvent of yellow soln., addn. of petrolether to resulting ppt., pptn. of (OC)5ReI, drying under vac., sublimation at 60°C, elem. anal.;	A n/a B 45% C n/a

...Expand

: 28625-02-7
thallium(I) tetrafluoroborate

: o-fluorophenylbis(triphenylphosphinyl)nickel chloride

: 127-08-2
potassium acetate

A: thallium chloride

B: Ni(OCOMe)(C6H4-o-F)(PPh3)2

C: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
With tetrahydrofuran In tetrahydrofuran Ar atmosphere, stirring of Ni-complex and TlBF4 in THF (20°C, 2 h), removal of pptd. TlCl (filtn.), addn. of K-carboxylate, stirring (20°C, 2 h); removal of pptd. KBF4, partial evapn., pptn. on pentane addn., collection, washing (pentane), drying (vac.); elem. anal.;	A n/a B 42% C n/a

...Expand

: 252971-34-9
[OsH(κ(2)-OCOCH3)(CCH2CMe3)(PiPr3)2]BF4

: potassium hydroxide

A: [OsH(κ(2)-OCOCH3)(=C=CHCMe3)(PiPr3)2]BF4

B: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
In methanol stirring (room temp., 5 min), evapn., pptn. on toluene addn.; filtering, evapn., pptn. on MeOH addn., washing (MeOH), drying (vac.); elem. anal.;	A 40% B n/a

...Expand

: [OsH(κ(2)-OCOCH3)(CCH3)(PiPr3)2]BF4

: potassium hydroxide

A: [OsH(κ(2)-OCOCH3)(=C=CH2)(PiPr3)2]BF4

B: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
In methanol stirring (room temp., 5 min), evapn., pptn. on toluene addn.; filtering, evapn., pptn. on MeOH addn., washing (MeOH), drying (vac.); elem. anal.;	A 23% B n/a

...Expand

: potassium dodecahydro-closo-dodecaborate

A: B(x)F(x)H(x)

B: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
With hydrogen fluoride; boron trifluoride at 20℃; Product distribution / selectivity;

: 1279123-63-5
potassium hydrogenfluoride

: 121-43-7
Trimethyl borate

A: 14075-53-7
potassium tetrafluoroborate

B: 15696-17-0
potassium methoxytrifluoroborate

Conditions

Conditions	Yield
In methanol; water KHF2 dissolved in aq. MeOH, B(OMe)3 added by stirring; after 1 h decanted, pptd. dissolved in water allowed to stand 4 d, detected by 19F NMR spectra; final molar ratio of (BF3OMe)(1-) to (BF4)(1-) 96:1;

...Expand

: 2093-46-1
2-methylphenyl diazonium tetrafluoroborate

: 333-20-0
potassium thioacyanate

A: 7727-37-9
nitrogen

B: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
With N,N-methylenediacrylamide; copper(II) tetrafluroborate hexahydrate In water; dimethyl sulfoxide byproducts: MeC6H4CH2CH(SCN)CONHCH2NHCOCH(SCN)CH2C6H4Me; addn. of 2-MeC6H4N2BF4 (2.2 equiv.) to N,N-methylenediacrylamide (1 equiv.) , Cu(BF4)2*6H2O (0.1 equiv.) and KSCN (1.1 equiv.) in H2O-DMSO (1:4)for 45 min; evolution of gas at 10-15°C for 1 h;
With 2-MeC6H4CH2CH(SCN)CONHCH2NHCOCHCH2; copper(II) tetrafluroborate hexahydrate In water; N,N-dimethyl-formamide byproducts: MeC6H4CH2CH(SCN)CONHCH2NHCOCH(SCN)CH2C6H4Me; addn. of 2-MeC6H4N2BF4 to 2-MeC6H4CH2CH(SCN)CONHCH2NHCOCHCH2, Cu(BF4)2*6H2O and KSCN in H2O-DMF (1:3) for 20 min; evolution of gas at 15-20°C for 45 min;
With N,N-methylenediacrylamide; copper(II) tetrafluroborate hexahydrate In water; N,N-dimethyl-formamide byproducts: MeC6H4CH2CH(SCN)CONHCH2NHCOCH(SCN)CH2C6H4Me; addn. of 2-MeC6H4N2BF4 (2.2 equiv.) to N,N-methylenediacrylamide (1 equiv.) , Cu(BF4)2*6H2O (0.1 equiv.) and KSCN (1.1 equiv.) in H2O-DMF (1:3) for 45 min; evolution of gas at 10-15°C for 1 h;

...Expand

: 80662-65-3
K(1+)*HRu3(1-)*11CO=K(HRu3(CO)11)

: 341-02-6
trityl tetrafluoroborate

A: 15243-33-1
dodecacarbonyl-triangulo-triruthenium

B: 519-73-3
triphenylmethane

C: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
With carbon monoxide In tetrahydrofuran react. K(HRu3(CO)11) and (Ph3C)(BF4) in THF with CO (1 atm) at room temp. for 30 min;

...Expand

: 13755-29-8
sodium tetrafluoroborate

: potassium chloride

: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
In water
In water

: fluoride

: 11113-50-1
boric acid

: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
byproducts: H2O;
byproducts: H2O;

: 11113-50-1
boric acid

: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
With potassium fluoride byproducts: H2O;
With potassium hydroxide; hydrogen fluoride In not given
With KF byproducts: H2O;

: 1070-70-8
1,4-Butanediol diacrylate

: 333-20-0
potassium thioacyanate

: 369-57-3
benzenediazonium tetrafluoroborate

A: 7727-37-9
nitrogen

B: 14075-53-7
potassium tetrafluoroborate

C: 4-(2-thiocyanato-3-phenylpropionyloxy)butyl acrylate

Conditions

Conditions	Yield
copper(II) bis(tetrafluoroborate) In water; acetone addn. of PhN2BF4 to soln. of 1,4-bis(acryloyloxy)butane, Cu(BF4)2 and KSCN in aq. acetone (1:2) for 45-60 min; cooling at -10 - -5°C for 2 h; evolution of N2; treatment of residual with Et2O, extn., washing with water, drying with MgSO4, removal of ether, chromy.;

...Expand

: 1070-70-8
1,4-Butanediol diacrylate

: 333-20-0
potassium thioacyanate

: 456-27-9
4-nitrobenzenediazonium tetrafluoroborate

A: 7727-37-9
nitrogen

B: 14075-53-7
potassium tetrafluoroborate

C: acrylic acid 4-[3-(4-nitro-phenyl)-2-thiocyanato-propionyloxy]-butyl ester

Conditions

Conditions	Yield
copper(II) bis(tetrafluoroborate) In water; acetone addn. of NO2C6H4N2BF4 to soln. of 1,4-bis(acryloyloxy)butane, Cu(BF4)2 and KSCN in aq. acetone (1:2) for 45-60 min; cooling at -10 - -5°Cfor 2 h; evolution of N2; treatment of residual with Et2O, extn., washing with water, drying with MgSO4, removal of ether, chromy.;

...Expand

: 1070-70-8
1,4-Butanediol diacrylate

: 333-20-0
potassium thioacyanate

: 459-44-9
4-methylbenzenediazonium tetrafluoroborate

A: 7727-37-9
nitrogen

B: 14075-53-7
potassium tetrafluoroborate

C: acrylic acid 4-(2-thiocyanato-3-p-tolyl-propionyloxy)-butyl ester

Conditions

Conditions	Yield
copper(II) bis(tetrafluoroborate) In water; acetone addn. of CH3C6H4N2BF4 to 1,4-bis(acryloyloxy)butane, Cu(BF4)2 and KSCN in aq. acetone (1:2) for 45-60 min; cooling at -10 - -5°C for 2 h; evolution of N2, treatment of residual with Et2O, extn., washing with water, drying with MgSO4, removal of ether, chromy.;

...Expand

: 333-20-0
potassium thioacyanate

: 2,5-dichloroaniline diazonium fluoroboric salt

A: 7727-37-9
nitrogen

B: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
With N,N-methylenediacrylamide; copper(II) tetrafluroborate hexahydrate In water; N,N-dimethyl-formamide byproducts: Cl2C6H3CH2CH(SCN)CONHCH2NHCOCH(SCN)CH2C6H3Cl2; addn. of 2,5-Cl2C6H3N2BF4 (2.2 equiv.) to N,N-methylenediacrylamide (1 equiv.), Cu(BF4)2*6H2O (0.1 equiv.) and KSCN (1.1 equiv.) in H2O-DMF (1:3) for 45 min; evolution of gas at 10-15°C for 1 h;
With 2,5-Cl2C6H3CH2CH(SCN)CONHCH2NHCOCHCH2; copper(II) tetrafluroborate hexahydrate In water; N,N-dimethyl-formamide byproducts: Cl2C6H3CH2CH(SCN)CONHCH2NHCOCH(SCN)CH2C6H3Cl2; addn. of 2,5-Cl2C6H3N2BF4 to 2,5-Cl2C6H3CH2CH(SCN)CONHCH2NHCOCHCH2, Cu(BF4)2*6H2O and KSCN in H2O-DMF (1:3) for 20 min; evolution of gas at 15-20°C for 45 min;
With N,N-methylenediacrylamide; copper(II) tetrafluroborate hexahydrate In water; dimethyl sulfoxide byproducts: Cl2C6H3CH2CH(SCN)CONHCH2NHCOCH(SCN)CH2C6H3Cl2; addn. of 2,5-Cl2C6H3N2BF4 (2.2 equiv.) to N,N-methylenediacrylamide (1 equiv.) , Cu(BF4)2*6H2O (0.1 equiv.) and KSCN (1.1 equiv.) in H2O-DMSO (1:4) for 45 min; evolution of gas at 10-15°C for 1 h;

...Expand

: nitrosonium tetrafluoroborate

: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
With KCl byproducts: NOCl;

: 459-64-3
4-methoxybenzenediazonium tetrafluoroborate

: 333-20-0
potassium thioacyanate

A: 7727-37-9
nitrogen

B: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
With 4-MeOC6H4CH2CH(SCN)CONHCH2NHCOCHCH2; copper(II) tetrafluroborate hexahydrate In water; N,N-dimethyl-formamide byproducts: MeOC6H4CH2CH(SCN)CONHCH2NHCOCH(SCN)CH2C6H4OMe; addn. of 4-MeOC6H4N2BF4 to 4-MeOC6H4CH2CH(SCN)CONHCH2NHCOCHCH2, Cu(BF4)2*6H2O and KSCN in H2O-DMF (1:3) for 20 min; evolution of gas at 15-20°C for 45 min;
With N,N-methylenediacrylamide; copper(II) tetrafluroborate hexahydrate In water; dimethyl sulfoxide byproducts: MeOC6H4CH2CH(SCN)CONHCH2NHCOCH(SCN)CH2C6H4OMe; addn. of 4-MeOC6H4N2BF4 (2.2 equiv.) to N,N-methylenediacrylamide (1 equiv.), Cu(BF4)2*6H2O (0.1 equiv.) and KSCN (1.1 equiv.) in H2O-DMSO (1:4)for 45 min; evolution of gas at 10-15°C for 1 h;
With N,N-methylenediacrylamide; copper(II) tetrafluroborate hexahydrate In water; N,N-dimethyl-formamide byproducts: MeOC6H4CH2CH(SCN)CONHCH2NHCOCH(SCN)CH2C6H4OMe; addn. of 4-MeOC6H4N2BF4 (2.2 equiv.) to N,N-methylenediacrylamide (1 equiv.), Cu(BF4)2*6H2O (0.1 equiv.) and KSCN (1.1 equiv.) in H2O-DMF (1:3) for 45 min; evolution of gas at 10-15°C for 1 h;

...Expand

: 333-20-0
potassium thioacyanate

: 369-57-3
benzenediazonium tetrafluoroborate

A: 7727-37-9
nitrogen

B: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
With N,N-methylenediacrylamide; copper(II) tetrafluroborate hexahydrate In water; dimethyl sulfoxide byproducts: C6H5CH2CH(SCN)CONHCH2NHCOCH(SCN)CH2C6H5; addn. of PhN2BF4 (2.2 equiv.) to N,N-methylenediacrylamide (1 equiv.), Cu(BF4)2*6H2O (0.1 equiv.) and KSCN (1.1 equiv.) in H2O-DMSO (1:4) for 45min; evolution of gas at 10-15°C for 1 h;
With N,N-methylenediacrylamide; copper(II) tetrafluroborate hexahydrate In water; N,N-dimethyl-formamide byproducts: C6H5CH2CH(SCN)CONHCH2NHCOCH(SCN)CH2C6H5; addn. of PhN2BF4 (2.2 equiv.) to N,N-methylenediacrylamide (1 equiv.), Cu(BF4)2*6H2O (0.1 equiv.) and KSCN (1.1 equiv.) in H2O-DMF (1:3) for 45 min; evolution of gas at 10-15°C for 1 h;
With PhCH2CH(SCN)CONHCH2NHCOCHCH2; copper(II) tetrafluroborate hexahydrate In water; N,N-dimethyl-formamide byproducts: C6H5CH2CH(SCN)CONHCH2NHCOCH(SCN)CH2C6H5; addn. of PhN2BF4 to PhCH2CH(SCN)CONHCH2NHCOCHCH2, Cu(BF4)2*6H2O and KSCN in H2O-DMF (1:3) for 20 min; evolution of gas at 15-20°C for 45 min;

...Expand

: 333-20-0
potassium thioacyanate

: 456-27-9
4-nitrobenzenediazonium tetrafluoroborate

A: 7727-37-9
nitrogen

B: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
With 4-NO2C6H4CH2CH(SCN)CONHCH2NHCOCHCH2; copper(II) tetrafluroborate hexahydrate In water; N,N-dimethyl-formamide byproducts: NO2C6H4CH2CH(SCN)CONHCH2NHCOCH(SCN)CH2C6H4NO2; addn. of 4-NO2C6H4N2BF4 to 4-NO2C6H4CH2CH(SCN)CONHCH2NHCOCHCH2, Cu(BF4)2*6H2O and KSCN in H2O-DMF (1:3) for 20 min; evolution of gas at 15-20°C for 45 min;
With N,N-methylenediacrylamide; copper(II) tetrafluroborate hexahydrate In water; dimethyl sulfoxide byproducts: NO2C6H4CH2CH(SCN)CONHCH2NHCOCH(SCN)CH2C6H4NO2; addn. of 4-NO2C6H4N2BF4 (2.2 equiv.) to N,N-methylenediacrylamide (1 equiv.), Cu(BF4)2*6H2O (0.1 equiv.) and KSCN (1.1 equiv.) in H2O-DMSO (1:4)for 45 min; evolution of gas at 10-15°C for 1 h;
With N,N-methylenediacrylamide; copper(II) tetrafluroborate hexahydrate In water; N,N-dimethyl-formamide byproducts: NO2C6H4CH2CH(SCN)CONHCH2NHCOCH(SCN)CH2C6H4NO2; addn. of 4-NO2C6H4N2BF4 (2.2 equiv.) to N,N-methylenediacrylamide (1 equiv.), Cu(BF4)2*6H2O (0.1 equiv.) and KSCN (1.1 equiv.) in H2O-DMF (1:3) for 45 min; evolution of gas at 10-15°C for 1 h;

...Expand

: 333-20-0
potassium thioacyanate

: 459-44-9
4-methylbenzenediazonium tetrafluoroborate

A: 7727-37-9
nitrogen

B: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
With N,N-methylenediacrylamide; copper(II) tetrafluroborate hexahydrate In water; dimethyl sulfoxide byproducts: MeC6H4CH2CH(SCN)CONHCH2NHCOCH(SCN)CH2C6H4Me; addn. of 4-MeC6H4N2BF4 (2.2 equiv.) to N,N-methylenediacrylamide (1 equiv.), Cu(BF4)2*6H2O (0.1 equiv.) and KSCN (1.1 equiv.) in H2O-DMSO (1:4) for 45 min; evolution of gas at 10-15°C for 1 h;
With 4-MeC6H4CH3CH(SCN)CONHCH2NHCOCHCH2; copper(II) tetrafluroborate hexahydrate In water; N,N-dimethyl-formamide byproducts: MeC6H4CH2CH(SCN)CONHCH2NHCOCH(SCN)CH2C6H4Me; addn. of 4-MeC6H4N2BF4 to 4-MeC6H4CH2CH(SCN)CONHCH2NHCOCHCH2, Cu(BF4)2*6H2O and KSCN in H2O-DMF (1:3) for 20 min; evolution of gas at 15-20°C for 45 min;
With N,N-methylenediacrylamide; copper(II) tetrafluroborate hexahydrate In water; N,N-dimethyl-formamide byproducts: MeC6H4CH2CH(SCN)CONHCH2NHCOCH(SCN)CH2C6H4Me; addn. of 4-MeC6H4N2BF4 (2.2 equiv.) to N,N-methylenediacrylamide (1 equiv.) , Cu(BF4)2*6H2O (0.1 equiv.) and KSCN (1.1 equiv.) in H2O-DMF (1:3) for 45 min; evolution of gas at 10-15°C for 1 h;

...Expand

: 333-20-0
potassium thioacyanate

: 1422-76-0
3-methylbenzenediazonium tetrafluoroborate

A: 7727-37-9
nitrogen

B: 14075-53-7
potassium tetrafluoroborate

Conditions

Conditions	Yield
With N,N-methylenediacrylamide; copper(II) tetrafluroborate hexahydrate In water; dimethyl sulfoxide byproducts: MeC6H4CH2CH(SCN)CONHCH2NHCOCH(SCN)CH2C6H4Me; addn. of 3-MeC6H4N2BF4 (2.2 equiv.) to N,N-methylenediacrylamide (1 equiv.), Cu(BF4)2*6H2O (0.1 equiv.) and KSCN (1.1 equiv.) in H2O-DMSO (1:4) for 45 min; evolution of gas at 10-15°C for 1 h;
With 3-MeC6H4CH2CH(SCN)CONHCH2NHCOCHCH2; copper(II) tetrafluroborate hexahydrate In water; N,N-dimethyl-formamide byproducts: MeC6H4CH2CH(SCN)CONHCH2NHCOCH(SCN)CH2C6H4Me; addn. of 3-MeC6H4N2BF4 to 3-MeC6H4CH2CH(SCN)CONHCH2NHCOCHCH2, Cu(BF4)2*6H2O and KSCN in H2O-DMF (1:3) for 20 min; evolution of gas at 15-20°C for 45 min;
With N,N-methylenediacrylamide; copper(II) tetrafluroborate hexahydrate In water; N,N-dimethyl-formamide byproducts: MeC6H4CH2CH(SCN)CONHCH2NHCOCH(SCN)CH2C6H4Me; addn. of 3-MeC6H4N2BF4 (2.2 equiv.) to N,N-methylenediacrylamide (1 equiv.) , Cu(BF4)2*6H2O (0.1 equiv.) and KSCN (1.1 equiv.) in H2O-DMF (1:3) for 45 min; evolution of gas at 10-15°C for 1 h;

...Expand

: 7664-39-3
hydrogen fluoride

: 11113-50-1
boric acid

: 584-08-7
potassium carbonate

: 14075-53-7
potassium tetrafluoroborate

...Expand

: 616-47-7
1-methyl-1H-imidazole

: 4-(chloromethyl)benzyl 3-O-acetyl-6-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranoside

: 14075-53-7
potassium tetrafluoroborate

: 4-(1-methyl-3-methylimidazolium)benzyl 3-O-acetyl-6-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranoside tetrafluoroborate

Conditions

Conditions	Yield
Stage #1: 1-methyl-1H-imidazole; 4-(chloromethyl)benzyl 3-O-acetyl-6-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranoside In acetonitrile at 85℃; for 24h; Inert atmosphere; Stage #2: potassium tetrafluoroborate In acetonitrile at 85℃; for 24h; Inert atmosphere;	100%

...Expand

: [(1,10-phenanthroline)4Pd4(3,6-bis(3,5-dimethyl-1H-pyrazol-4-yl)-9-methyl-9H-carbazole)2](NO3)4

: 7732-18-5
water

: 14075-53-7
potassium tetrafluoroborate

: [(1,10-phenanthroline)4Pd4(3,6-bis(3,5-dimethyl-1H-pyrazol-4-yl)-9-methyl-9H-carbazole)2](BF4)4*H2O

Conditions

Conditions	Yield
In methanol 10-fold excess of KBF4; elem. anal., XRD;	99%

...Expand

: [(4,4'-dimethyl-2,2'-bipyridine)4Pd4(9-methyl-3,6-bis[3-(trifluoromethyl)-1H-pyrazol-5-yl]-9H-carbazole)2](NO3)4

: 7732-18-5
water

: 14075-53-7
potassium tetrafluoroborate

: [(4,4'-dimethyl-2,2'-bipyridine)4Pd4(9-methyl-3,6-bis[3-(trifluoromethyl)-1H-pyrazol-5-yl]-9H-carbazole)2](BF4)4*H2O

Conditions

Conditions	Yield
In methanol 10-fold excess of KBF4; elem. anal.;	99%

...Expand

: [(4,4'-dimethyl-2,2'-bipyridine)4Pd4(3,6-bis(3,5-dimethyl-1H-pyrazol-4-yl)-9-methyl-9H-carbazole)2](NO3)4*H2O

: 7732-18-5
water

: 14075-53-7
potassium tetrafluoroborate

: [(4,4'-dimethyl-2,2'-bipyridine)4Pd4(3,6-bis(3,5-dimethyl-1H-pyrazol-4-yl)-9-methyl-9H-carbazole)2](BF4)4*H2O

Conditions

Conditions	Yield
In methanol 10-fold excess of KBF4; elem. anal.;	99%

...Expand

: [(4,4'-dimethyl-2,2'-bipyridine)4Pd4(9-benzyl-3,6-bis(3,5-dimethyl-1H-pyrazol-4-yl)-9H-carbazole)2](NO3)4*2H2O

: 7732-18-5
water

: 14075-53-7
potassium tetrafluoroborate

: [(4,4'-dimethyl-2,2'-bipyridine)4Pd4(9-benzyl-3,6-bis(3,5-dimethyl-1H-pyrazol-4-yl)-9H-carbazole)2](BF4)4*2H2O

Conditions

Conditions	Yield
In methanol 10-fold excess of KBF4; elem. anal., XRD;	99%

...Expand

: [(1,10-phenanthroline)4Pd4(9-benzyl-3,6-bis(3,5-dimethyl-1H-pyrazol-4-yl)-9H-carbazole)2](NO3)4*2H2O

: 7732-18-5
water

: 14075-53-7
potassium tetrafluoroborate

: [(1,10-phenanthroline)4Pd4(9-benzyl-3,6-bis(3,5-dimethyl-1H-pyrazol-4-yl)-9H-carbazole)2](BF4)4*2H2O

Conditions

Conditions	Yield
In methanol 10-fold excess of KBF4; elem. anal., XRD;	99%

...Expand

: [(4,4'-dimethyl-2,2'-bipyridine)4Pd4(9-benzyl-3,6-bis[4-(3,5-dimethyl-1H-pyrazol-4-yl)phenyl]-9H-carbazole)2](NO3)4

: 7732-18-5
water

: 14075-53-7
potassium tetrafluoroborate

: [(4,4'-dimethyl-2,2'-bipyridine)4Pd4(9-benzyl-3,6-bis[4-(3,5-dimethyl-1H-pyrazol-4-yl)phenyl]-9H-carbazole)2](BF4)4*3H2O

Conditions

Conditions	Yield
In methanol 10-fold excess of KBF4; elem. anal., XRD;	99%

...Expand

: [(1,10-phenanthroline)8Pd8(9-methyl-3,6-bis[3-(trifluoromethyl)-1H-pyrazol-5-yl]-9H-carbazole)4](NO3)8

: 14075-53-7
potassium tetrafluoroborate

: [(1,10-phenanthroline)8Pd8(9-methyl-3,6-bis[3-(trifluoromethyl)-1H-pyrazol-5-yl]-9H-carbazole)4](BF4)8

Conditions

Conditions	Yield
In methanol 10-fold excess of KBF4; elem. anal., XRD;	99%

: 3-cyclohexyl-1-mesitylimidazolium chloride

: 14075-53-7
potassium tetrafluoroborate

: 3-cyclohexyl-1-mesityl-imidazolium tetrafluoroborate

Conditions

Conditions	Yield
In dichloromethane at 20℃; for 1h; Inert atmosphere;	99%

: 3-cyclododecyl-1-mesitylimidazolium chloride

: 14075-53-7
potassium tetrafluoroborate

: 2-mesityl-5-cyclododecyl-imidazolium tetrafluoroborate

Conditions

Conditions	Yield
In dichloromethane at 20℃; for 1h; Inert atmosphere;	99%

: 3-cycloheptyl-1-mesitylimidazolium chloride

: 14075-53-7
potassium tetrafluoroborate

: 3-cycloheptyl-1-mesityl-imidazolium tetrafluoroborate

Conditions

Conditions	Yield
In dichloromethane at 20℃; for 1h; Inert atmosphere;	98%

: 3-cyclooctyl-1-mesitylimidazolium chloride

: 14075-53-7
potassium tetrafluoroborate

: 3-cyclooctyl-1-mesityl-imidazolium tetrafluoroborate

Conditions

Conditions	Yield
In dichloromethane at 20℃; for 1h; Inert atmosphere;	96%

: 1643-19-2
tetrabutylammomium bromide

: 14075-53-7
potassium tetrafluoroborate

: 429-42-5
tetrabutylammonium tetrafluoroborate

Conditions

Conditions	Yield
In dichloromethane; water at 20℃; for 24h;	96%
In dichloromethane; water at 25℃; for 24h;	96%
In dichloromethane; water at 20℃; for 24h;	96%
In dichloromethane; water at 20℃; for 24h;	96%

: 7677-24-9
trimethylsilyl cyanide

: 14075-53-7
potassium tetrafluoroborate

: 565451-76-5
potassium monofluorotricyanoborate

Conditions

Conditions	Yield
With gallium(III) trichloride for 6h; Reflux;	96%
With chloro-trimethyl-silane In 1,2-dimethoxyethane at 75℃; for 7h; Inert atmosphere;	85.2%

: 1-methyl-3-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)imidazolium bromide

: 14075-53-7
potassium tetrafluoroborate

: 1-methyl-3-(2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl)imidazolium tetrafluoroborate

Conditions

Conditions	Yield
In dichloromethane	96%

: silicon dimethyl oxalate

: 14075-53-7
potassium tetrafluoroborate

: potassium difluoro(oxalato)borate

Conditions

Conditions	Yield
at 48 - 52℃; for 6h; Inert atmosphere;	95.2%

: 14866-33-2
tetraoctyl ammonium bromide

: 14075-53-7
potassium tetrafluoroborate

: Tetraoctylammonium tetrafluoroborate

Conditions

Conditions	Yield
In dichloromethane; water at 20℃; for 24h;	95%

: C78H112Au2N8O4(2+)*2Br(1-)

: 14075-53-7
potassium tetrafluoroborate

: C78H112Au2N8O4(2+)*2BF4(1-)

Conditions

Conditions	Yield
In methanol; water for 24h; Schlenk technique; Inert atmosphere;	95%

: 21797-13-7
tetrakis(acetonitrile)palladium(II) tetrafluoroborate

: C60H50IrN6(1+)*BF4(1-)

: 14075-53-7
potassium tetrafluoroborate

: 8C60H50IrN6(1+)*16BF4(1-)*4Pd(2+)

Conditions

Conditions	Yield
Stage #1: tetrakis(acetonitrile)palladium(II) tetrafluoroborate; C60H50IrN6(1+)*BF4(1-) In dimethylsulfoxide-d6 at 85℃; for 12h; Inert atmosphere; Schlenk technique; Stage #2: potassium tetrafluoroborate In methanol; dimethylsulfoxide-d6; water at 20℃; for 4h; Inert atmosphere; Schlenk technique;	95%

...Expand

: 21797-13-7
tetrakis(acetonitrile)palladium(II) tetrafluoroborate

: C60H50IrN6(1+)*BF4(1-)

: 14075-53-7
potassium tetrafluoroborate

: 8C60H50IrN6(1+)*4Pd(2+)*16BF4(1-)

Conditions

Conditions	Yield
Stage #1: tetrakis(acetonitrile)palladium(II) tetrafluoroborate; C60H50IrN6(1+)*BF4(1-) In dimethylsulfoxide-d6 at 85℃; for 12h; Inert atmosphere; Schlenk technique; Stage #2: potassium tetrafluoroborate In methanol; dimethylsulfoxide-d6; water at 20℃; for 4h; Inert atmosphere; Schlenk technique;	95%

...Expand

: N-benzyl-N,N-diethylethanaminium sulfofluoridate

: 14075-53-7
potassium tetrafluoroborate

: 77794-93-5
N-benzyl-N,N-diethylethanaminium tetrafluoroborate

Conditions

Conditions	Yield
In dichloromethane; water at 20℃; for 24h;	95%

: silicon dimethyl oxalate

: 14075-53-7
potassium tetrafluoroborate

: potassium bis(oxalato)borate

Conditions

Conditions	Yield
In tetrahydrofuran at 68 - 72℃; for 12h; Inert atmosphere;	94.8%

: o-nitrophenolato(triphenylphosphine)gold-(THF)0.5

: 14075-53-7
potassium tetrafluoroborate

A: 53317-87-6
tris[triphenylphosphinegold(I)]oxonium tetrafluoroborate

B: 824-38-4
potassium 2-nitrophenoxide

Conditions

Conditions	Yield
In toluene byproducts: potassium o-nitrophenoxide; addn. of H2O and KBF4 to soln. of Au-complex (stirring 20 min); ppt. sepn., repptn. from CHCl3 by ether;	A 94% B 91%

...Expand

: 3-cyclopentyl-1-mesityl-imidazolium chloride

: 14075-53-7
potassium tetrafluoroborate

: 2-mesityl-5-cyclopentyl-imidazolium tetrafluoroborate

Conditions

Conditions	Yield
In dichloromethane at 20℃; for 1h; Inert atmosphere;	94%

: C86H128Au2N8O4(2+)*2Br(1-)

: 14075-53-7
potassium tetrafluoroborate

: C86H128Au2N8O4(2+)*2BF4(1-)

Conditions

Conditions	Yield
In methanol; water for 24h; Schlenk technique; Inert atmosphere;	94%

: tetradecyl N-[bis(dimethylamino)methylene]-O-tetradecyl-L-tyrosinate hydrochloride

: 14075-53-7
potassium tetrafluoroborate

: tetradecyl N-[bis(dimethylamino)methylene]-O-tetradecyl-L-tyrosinate tetrafluoroborate

Conditions

Conditions	Yield
In acetonitrile at 100℃; for 0.166667h;	94%

: 7677-24-9
trimethylsilyl cyanide

: 14075-53-7
potassium tetrafluoroborate

A: potassium tetracyanoborate

B: 565451-76-5
potassium monofluorotricyanoborate

Conditions

Conditions	Yield
With gallium(III) trichloride for 15h; Time; Reflux;	A 7% B 93%

...Expand

: C16H25N2O2(1+)*Cl(1-)

: 14075-53-7
potassium tetrafluoroborate

: 1-methyl-3-{(1,7,7-trimethylbicyclo[2.2.1]hept-2-yl)oxycarbonylmethyl}-imidazol-3-ium tetrafluoroborate

Conditions

Conditions	Yield
In water at 20℃; for 48h;	92%

Potassium tetrafluoroborate Chemical Properties

Product Name: Potassium tetrafluoroborate (CAS NO.14075-53-7)

Molecular Formula: KBF₄
Molecular Weight: 125.90g/mol
Mol File: 14075-53-7.mol
EINECS: 237-928-2
Appearance: white odourlesss crystalline powder
Melting Point: 530 °C(lit.)
Refractive index: 1.3245
Water Solubility: 4.4 g/L (20 °C)
Sensitive: Moisture Sensitive
Stability: Stable. May decompose on exposure to water or moisture. Incompatible with metals.
H-Bond Donor: 0
H-Bond Acceptor: 5
Structure Descriptors of Potassium tetrafluoroborate (CAS NO.14075-53-7):
IUPAC Name: potassium tetrafluoroborate
Canonical SMILES: [B-](F)(F)(F)F.[K+]
InChI: InChI=1S/BF4.K/c2-1(3,4)5;/q-1;+1
InChIKey: AKEBROIVCDHVSD-UHFFFAOYSA-N
Product Categories: Inorganic Chemicals; Inorganics

Potassium tetrafluoroborate Uses

Potassium tetrafluoroborate (CAS NO.14075-53-7) is used in metallurgical industry and maked three fluorinated boron
and other Fluorinated salt raw materials, etc.

Potassium tetrafluoroborate Toxicity Data With Reference

1.	ipr-rat LD50:240 mg/kg	14KTAK Boron, Metallo-Boron Compounds and Boranes R.M. Adams,New York, NY.: Wiley,1964,693.
2.	ipr-mus LD50:590 mg/kg	14KTAK Boron, Metallo-Boron Compounds and Boranes R.M. Adams,New York, NY.: Wiley,1964,693.
3.	ipr-rbt LD50:380 mg/kg	14KTAK Boron, Metallo-Boron Compounds and Boranes R.M. Adams,New York, NY.: Wiley,1964,693.

Potassium tetrafluoroborate Consensus Reports

Reported in EPA TSCA Inventory.

Potassium tetrafluoroborate Safety Profile

Poison by intraperitoneal route. When heated to decomposition it emits very toxic fumes of F⁻, K₂O, and BO_x. Used in sand casting of aluminum and magnesium, grinding, and in resinoid grinding wheels. See also FLUORIDES and BORON COMPOUNDS.
Safety Information of Potassium tetrafluoroborate (CAS NO.14075-53-7):
Hazard Codes: Xi Irritant ,C Corrosive
Risk Statements: 36/37/38-34
R36/37/38:Irritating to eyes, respiratory system and skin.
R34:Causes burns.
Safety Statements: 37/39-26-45-36/37/39
S37/39:Wear suitable gloves and eye/face protection.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.

Potassium tetrafluoroborate Standards and Recommendations

OSHA PEL: TWA 2.5 mg(F)/m³
ACGIH TLV: TWA 2.5 mg(F)/m³; BEI: 3 mg/g creatinine of fluorides in urine prior to shift; 10 mg/g creatinine of fluorides in urine at end of shift.
NIOSH REL: TWA (Inorganic Fluorides) 2.5 mg(F)/m³

Potassium tetrafluoroborate Specification

Potassium tetrafluoroborate , its CAS NO. is 14075-53-7, the synonyms are Potassium tetrafluoroborate(1-) ; Borate(1-), tetrafluoro-, potassium ; Avogadrite ; Boron potassium fluoride .

Product Name

Potassium tetrafluoroborate

Synthetic route

Potassium tetrafluoroborate Chemical Properties

Potassium tetrafluoroborate Uses

Potassium tetrafluoroborate Toxicity Data With Reference

Potassium tetrafluoroborate Consensus Reports

Potassium tetrafluoroborate Safety Profile

Potassium tetrafluoroborate Standards and Recommendations

Potassium tetrafluoroborate Specification

Related Products

Hot Products