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Cas Database |
| Name |
Potassium tetrafluoroborate |
EINECS | 237-928-2 |
| CAS No. | 14075-53-7 | Density | 2.505 g/mL at 25 °C(lit.) |
| PSA | 0.00000 | LogP | 1.30000 |
| 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 | N/A |
| 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; |
Article Data | 71 |
Potassium tetrafluoroborate Synthetic route
B
- 14075-53-7
potassium tetrafluoroborate
| Conditions | Yield |
|---|---|
| In acetonitrile | A 100% B 99% |
A
- 110-86-1
pyridine
B
- 14075-53-7
potassium tetrafluoroborate
| 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% |
| 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 |
- 28625-02-7
thallium(I) tetrafluoroborate
- 582-25-2
Potassium benzoate
C
- 14075-53-7
potassium tetrafluoroborate
| 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 |
- 14873-92-8, 20244-83-1, 15337-84-5, 15442-57-6
cis-dichlorobis(diethylsulfide)platinum(II)
B
- 14075-53-7
potassium tetrafluoroborate
| 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 |
- 28625-02-7
thallium(I) tetrafluoroborate
- 15922-01-7
potassium 4-nitrobenzoate
C
- 14075-53-7
potassium tetrafluoroborate
| 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 |
- 28625-02-7
thallium(I) tetrafluoroborate
- 127-08-2
potassium acetate
C
- 14075-53-7
potassium tetrafluoroborate
| 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 |
| 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 |
- 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 | 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 |
- 28625-02-7
thallium(I) tetrafluoroborate
- 127-08-2
potassium acetate
C
- 14075-53-7
potassium tetrafluoroborate
| 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 |
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 BOx. 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
,C
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 .
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