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Cas Database |
| Name |
Sodium tetrafluoroborate |
EINECS | 237-340-6 |
| CAS No. | 13755-29-8 | Density | 2.47 g/mL at 25 °C(lit.) |
| PSA | 0.00000 | LogP | 1.30000 |
| Solubility | water: 108 g/100 mL (26 °C) | Melting Point |
384 °C |
| Formula | NaBF4 | Boiling Point | N/A |
| Molecular Weight | 109.794 | Flash Point | N/A |
| Transport Information | UN 3260 | Appearance | white crystals or powder |
| Safety | 45-36/37/39-25 | Risk Codes | 34 |
| Molecular Structure |
|
Hazard Symbols |
 C, Xi
|
| Synonyms |
NSC 77386;Sodium borofluoride;Sodium boron tetrafluoride;Sodium fluoroborate;Sodiumfluoroborate (NaBF4);Borate(1-),tetrafluoro-, sodium (8CI,9CI);Sodium fluoborate (Na[BF4]) (6CI);Apreton R; |
Article Data | 105 |
Sodium tetrafluoroborate Synthetic route
- 10170-69-1
dimanganese decacarbonyl
A
- 13755-29-8
sodium tetrafluoroborate
B
- 135224-95-2
(OC)3Fe(μ-η4:η1-cyclohexadiene)Mn(CO)5
| Conditions | Yield |
|---|---|
| With sodium amalgam In tetrahydrofuran (Ar), reduced Mn-complex (45 min at 0°C, 30 min at 20°C) added at -70°C, stirred for 1 h; solvent removed in vacuo at -30°C, extracted four times with pentane at -25°C (Mn2(CO)10 as by-product), extracted two times with CH2Cl2, solvent removed, dried in high vacuum, (all steps at <-20°C), elem. anal.; | A n/a B 98% |
| Conditions | Yield |
|---|---|
| With BF3 In tetrahydrofuran introduction of BF3 into suspn. of NaBH4 in THF with stirring (-8-(-12)°C, 6 h), stirring (12h, room temp.), addn. of further NaBF4, stirring (2 h); condensing in to N2 cooled Dewar-vessel (25°C, 50 Torr), warming (room temp.); (11)B-NMR; | A n/a B 97.5% |
| Conditions | Yield |
|---|---|
| In further solvent(s) soln. NaBH4 in triglyme was added slowly for 1 h at room temp. to BF3-triglymate; B2H6 was absorbed with THF, NaBF4 was filtered off, solvent was removedby distillation to obtaine more NaBF4; | A 97% B >99 |
| Conditions | Yield |
|---|---|
| at 160 - 170℃; Glovebox; | A 5% B 95% C 83% D 10% |
- 16940-66-2
sodium tetrahydroborate
- 1020537-36-3
BF3-monoglymate
A
- 13755-29-8
sodium tetrafluoroborate
B
- 19287-45-7
diborane
| Conditions | Yield |
|---|---|
| In further solvent(s) soln. NaBH4 in triglyme was added slowly for 3 h at room temp. to BF3-monoglymate; B2H6 was absorbed with THF, NaBF4 was filtered off, solvent was removedby distillation to obtaine more NaBF4; | A 94% B >99 |
| Conditions | Yield |
|---|---|
| In further solvent(s) soln. NaBH4 in tetraglyme was added slowly for 3 h at room temp. to BF3-tetraglymate; B2H6 was absorbed with THF, NaBF4 was filtered off, solvent was removedby distillation to obtaine more NaBF4; | A 94% B >99 |
| Conditions | Yield |
|---|---|
| In water addn. of NaOH to C5H5NHBF4; extn. of pyridine with CHCl3, concn., elem. anal.; | A n/a B 94% |
- 16940-66-2
sodium tetrahydroborate
- 123334-27-0
BF3-tert-butyl methyl etherate
A
- 13755-29-8
sodium tetrafluoroborate
B
- 19287-45-7
diborane
| Conditions | Yield |
|---|---|
| In further solvent(s) soln. NaBH4 in triglyme was added slowly for 3 h at room temp. to BF3-tert-butyl methyl etherate; B2H6 was absorbed with THF, NaBF4 was filtered off, solvent was removedby distillation to obtaine more NaBF4; | A 93% B >99 |
- 124-41-4
sodium methylate
A
- 13755-29-8
sodium tetrafluoroborate
B
- 252981-67-2
[Ru(η(5)-C5H5)(C(CH=CPh2)=NnPr)(CO)(PiPr3)]
| Conditions | Yield |
|---|---|
| In tetrahydrofuran byproducts: MeOH; stirring (1 h); evapn. (vac.), pptn. on toluene addn., filtering, evapn., washing (pentane); elem. anal.; | A n/a B 90% |
- 124-41-4
sodium methylate
A
- 13755-29-8
sodium tetrafluoroborate
B
- 252981-68-3
[Ru(η(5)-C5H5)(C(CH=CPh2)=NHPh)(CO)(PiPr3)]
| Conditions | Yield |
|---|---|
| In tetrahydrofuran byproducts: MeOH; stirring (1 h); evapn. (vac.), pptn. on toluene addn., filtering, evapn., washing (pentane); elem. anal.; | A n/a B 90% |
Sodium tetrafluoroborate Chemical Properties
Product Name: Sodium tetrafluoroborate (CAS NO.13755-29-8)
Molecular Formula: NaBF4
Molecular Weight: 109.79g/mol
Mol File: 13755-29-8.mol
Appearance: white crystals or powder
Melting Point: 384 °C
Water Solubility: 108 g/100 mL (26 ºC)
Sensitive: Hygroscopic
Stability: Moisture sensitive; do not store in glass (though the completely dry material does not etch glass). Incompatible with strong oxidizing agents.
H-Bond Donor: 0
H-Bond Acceptor: 5
Structure Descriptors of Sodium tetrafluoroborate (CAS NO.13755-29-8):
IUPAC Name: sodium tetrafluoroborate
Canonical SMILES: [B-](F)(F)(F)F.[Na+]
InChI: InChI=1S/BF4.Na/c2-1(3,4)5;/q-1;+1
InChIKey: KGJZTOFHXCFQIV-UHFFFAOYSA-N
Product Categories: Inorganic Chemicals;Inorganics
Sodium tetrafluoroborate Uses
Sodium tetrafluoroborate (CAS NO.13755-29-8) is used as a fluorinating agent.
Sodium tetrafluoroborate Toxicity Data With Reference
| 1. | scu-rat LD50:550 mg/kg | ZKKOBW Zeitschrift fuer Krebsforschung und Klinische Onkologie. 80 (1973),17. |
Sodium tetrafluoroborate Consensus Reports
Reported in EPA TSCA Inventory.
Sodium tetrafluoroborate Safety Profile
Safety Information of Sodium tetrafluoroborate (CAS NO.13755-29-8):
Hazard Codes:C 
,Xi 
Risk Statements:34
34:Causes burns
Safety Statements:45-36/37/39-25
45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
36/37/39:Wear suitable protective clothing, gloves and eye/face protection
25:Avoid contact with eyes
RIDADR:3260
WGK Germany:1
RTECS:ED2975000
F:21
Hazard Note:Irritant
Moderately toxic by subcutaneous route. When heated to decomposition it emits toxic fumes of F− and Na2O.
Sodium 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: (Inorganic Fluorides) TWA 2.5 mg(F)/m3
Sodium tetrafluoroborate Specification
Sodium tetrafluoroborate , its CAS NO. is 13755-29-8, the synonyms are Borate(1-), tetrafluoro-, sodium ; Sodium boron tetrafluoride ; Sodium fluoborate .
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