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| CAS No.: | 14104-20-2 |
|---|---|
| Name: | Silver tetrafluoroborate |
| Article Data: | 39 |
| Molecular Structure: | |
|
|
|
| Formula: | AgBF4 |
| Molecular Weight: | 194.673 |
| Synonyms: | Borate(1-),tetrafluoro-, silver(1+) (8CI,9CI);Silver fluoborate (6CI);Silvertetrafluoroborate (7CI);Silver borofluoride;Silver borofluoride AgBF4;Silverfluoroborate;Silver fluoroborate (AgBF4);Silver tetrafluoroborate(1-);Silver(1+) tetrafluoroborate;Silver(1+) tetrafluoroborate(1-);Silver(I)tetrafluoroborate; |
| EINECS: | 237-956-5 |
| Melting Point: | 70-73 °C(lit.) |
| Solubility: | soluble in water |
| Appearance: | beige crystalline powder |
| Hazard Symbols: |
 C
|
| Risk Codes: | 34-20/21/22 |
| Safety: | 26-36/37/39-45-27 |
| Transport Information: | UN 3260 8/PG 2 |
| PSA: | 0.00000 |
| LogP: | 1.30000 |
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| Conditions | Yield |
|---|---|
| In diethyl ether BF3*C2H5OC2H5 was aded to a suspn. of AgF in diethyl ether, stirred until a clear soln. was obtained; the solvent was removed in vac.; | 89.7% |
| In not given |
| Conditions | Yield |
|---|---|
| solvation of AgNO3 in HF not above 0°C under stirring and introduction of BF3;; precipitation; washing with liquid HF and drying in a stream of N2 (12 hours), later in vacuum (12 hours);; | 85% |
| In hydrogen fluoride react. mechanism discussed;; | |
| In hydrogen fluoride HF (liquid); react. mechanism discussed;; | |
| In hydrogen fluoride HF (liquid); High Pressure; in FEP vessel liquid HF was condensed onto AgNO3 at 77 K and warmed to room temp., BF3 was added for 12 h (2 bar); liquid phase was decanted, residue was dried by pumping for 3 h; X-ray powder diffraction; |
- 7637-07-2
boron trifluoride
- 7782-41-4
fluorine
A
- 14104-20-2
silver tetrafluoroborate
B
- 13709-36-9
xenon difluoride
| 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% |
| 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% |
| Conditions | Yield |
|---|---|
| In water Ag2O reacted with 48% H2O-soln. of HBF4; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) heating a mixture of AgF and B2O3 (molar ratio 2 : 1) with an excess of SF4 in a closed steel tube at 175°C;; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) heating at 175°C;; | |
| In neat (no solvent) heating at 175°C;; |
| Conditions | Yield |
|---|---|
| In neat (no solvent) byproducts: Cl2; evaporation of an excess of BF3;; |
- 7637-07-2
boron trifluoride
- 14104-20-2
silver tetrafluoroborate
| Conditions | Yield |
|---|---|
| With Ag borate | |
| With Ag borate |
- 7664-39-3
hydrogen fluoride
- 7637-07-2
boron trifluoride
- 7440-22-4
silver
- 14104-20-2
silver tetrafluoroborate
| Conditions | Yield |
|---|---|
| In nitromethane addition of powdered Ag to a solution of HF and BF3 in CH3NO2;; |
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- Total:15 Page 1 of 1 1
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Consensus Reports
Silver and its compounds are on the Community Right-To-Know List. Reported in EPA TSCA Inventory.
Standards and Recommendations
OSHA PEL: TWA 0.01 mg(Ag)/m3; 2.5 mg(F)/m3
ACGIH TLV: TWA 0.01 mg(Ag)/m3; 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: (Fluorides, Inorganic) TWA 2.5 mg(F)/m3
Specification
The Silver borofluoride, with the CAS registry number 14104-20-2 and EINECS registry number 237-956-5, has the systematic name of silver(1+) tetrafluoroborate. And the molecular formula of this chemical is AgBF4. It is a kind of beige crystalline powder, and belongs to the following product categories: Ag (Silver) Compounds; B (Classes of Boron Compounds); Classes of Metal Compounds; Tetrafluoroborates; Transition Metal Compounds. What's more, it is often used in the organic synthesis.
The physical properties of Silver borofluoride are as following: (1)#H bond acceptors: 0; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 0 Å2.
You should be cautious while dealing with this chemical. It is harmful by inhalation, in contact with skin and if swallowed, and it may also cause burns. Therefore, you had better take the following instructions: Wear suitable protective clothing, gloves and eye/face protection, and in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice; Take off immediately all contaminated clothing; In case of accident or if you feel unwell, seek medical advice immediately (show label where possible).
You can still convert the following datas into molecular structure:
(1)SMILES: [Ag+].F[B-](F)(F)F
(2)InChI: InChI=1/Ag.BF4/c;2-1(3,4)5/q+1;-1
(3)InChIKey: CCAVYRRHZLAMDJ-UHFFFAOYAH
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intravenous | 56mg/kg (56mg/kg) | U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#06756, |