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Ammonium tetrafluoroborate
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Name

Ammonium tetrafluoroborate

 EINECS 237-531-4
CAS No. 13826-83-0 Density 1.871 g/mL at 25 °C(lit.)
PSA 0.00000 LogP 1.67620
Solubility soluble in water Melting Point 230 °C
Formula NH4BF4 Boiling Point N/A
Molecular Weight 104.843 Flash Point N/A
Transport Information UN 9088 Appearance white crystalline powder
Safety 26-36-45-36/37/39 Risk Codes 36/37/38-34
Molecular Structure Molecular Structure of 13826-83-0 (Ammonium fluoborate) Hazard Symbols CorrosiveC
Synonyms

Ammoniumfluoborate (6CI);Borate(1-), tetrafluoro-, ammonium (8CI,9CI);Ammoniumborofluoride (NH4BF4);Ammonium fluoroborate;Ammoniumtetrafluoroborate(1-);

Article Data 43

Ammonium tetrafluoroborate Synthetic route

ammonium hydroxide

pyridinium tetrafluoroborate

A

110-86-1

pyridine

B

13826-83-0

ammonium tetrafluroborate

Conditions
ConditionsYield
In water dropwise addn. of NH4OH to C5H5NHBF4; extn. of pyridine with CHCl3 three times, filtration of the aq. soln., slow evapn. on a water-bath at 60 - 70°C, pptn., drying in vac. over P2O5, elem. anal.;A n/a
B 92%

{((η5-C5H5)Mo)2(S2CH2)(μ-S)(μ-SH)}BF4

107-12-0

propiononitrile

A

13826-83-0

ammonium tetrafluroborate

B

{((η5-C5H5)Mo)(S2CH2)(S2CCH2CH3)(Mo(η5-C5H5))}BF4

Conditions
ConditionsYield
With hydrogen In neat (no solvent) dry solvents; degassing Mo-compd. dissolved in EtCN, placing under hydrogen (400 Torr at -196°C), stirring react. mixt. at room temperature (1 day); removal of solvent under reduced pressure, extn. (water), dissolving in MeCN, pptn. by addn. of Et2O; elem. anal.;A 47%
B 40%

{((η5-C5H5)Mo)2(S2CH2)(μ-S)(μ-SH)}BF4

100-47-0

benzonitrile

A

13826-83-0

ammonium tetrafluroborate

B

{((η5-C5H5)Mo)(S2CH2)(S2CC6H5)(Mo(η5-C5H5))}BF4

Conditions
ConditionsYield
With hydrogen In benzonitrile dry solvents; degassing Mo-compd. dissolved in PhCN, placing under hydrogen (400 Torr at -196°C), stirring react. mixt. at room temperature (1 day); removal of solvent under reduced pressure, extn. (water), , dissolving in MeCN, pptn. by addn. of Et2O;A 39%
B 30%

{((η5-C5H5)Mo)2(S2CH2)(μ-S)(μ-SH)}BF4

75-05-8

acetonitrile

A

13826-83-0

ammonium tetrafluroborate

B

{((η5-C5H5)Mo)(S2CH2)(S2CCH3)(Mo(η5-C5H5))}BF4

Conditions
ConditionsYield
With hydrogen In acetonitrile dry solvents; degassing Mo-compd. dissolved in acetonitrile, placing under hydrogen (400 Torr at -196°C), stirring react. mixt. at room temperature (1 day); removal of solvent under reduced pressure, extn. (water), dissolving in MeCN, pptn. by addn. of Et2O;A 32%
B 35%

ammonium thiocyanate

2093-46-1

2-methylphenyl diazonium tetrafluoroborate

A

13826-83-0

ammonium tetrafluroborate

B

7727-37-9

nitrogen

Conditions
ConditionsYield
With N,N-methylenediacrylamide; copper(II) tetrafluroborate hexahydrate In water; dimethyl sulfoxide byproducts: 2-MeC6H4CH2CH(SCN)CONHCH2NHCOCHCH2; addn. of 2-MeC6H4N2BF4 (1.1 equiv.) to N,N-methylenediacrylamide (1 equiv.), Cu(BF4)2*6H2O (0.1 equiv.) and NH4SCN (1.1 equiv.) in H2O-DMSO (1:4) for 30 min; evolution of gas at 10-15°C for 45 min;
With N,N-methylenediacrylamide; copper(II) tetrafluroborate hexahydrate In water; N,N-dimethyl-formamide byproducts: 2-MeC6H4CH2CH(SCN)CONHCH2NHCOCHCH2; addn. of 2-MeC6H4N2BF4 (1.1 equiv.) to N,N-methylenediacrylamide (1 equiv.), Cu(BF4)2*6H2O (0.1 equiv.) and NH4SCN (1.1 equiv.) in H2O-DMF (1:3)for 30 min; evolution of gas at 10-15°C for 45 min;

ammonium thiocyanate

1070-70-8

1,4-Butanediol diacrylate

369-57-3

benzenediazonium tetrafluoroborate

A

13826-83-0

ammonium tetrafluroborate

B

7727-37-9

nitrogen

C

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

Conditions
ConditionsYield
copper(II) bis(tetrafluoroborate) In water; acetone addn. of C6H5N2BF4 to 1,4-bis(acryloyloxy)butane, Cu(BF4)2 and NH4SCN inaq. 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

ammonium thiocyanate

1070-70-8

1,4-Butanediol diacrylate

456-27-9

4-nitrobenzenediazonium tetrafluoroborate

A

13826-83-0

ammonium tetrafluroborate

B

7727-37-9

nitrogen

C

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

Conditions
ConditionsYield
copper(II) bis(tetrafluoroborate) In water; acetone addn. of NO2C6H4N2BF4 to 1,4-bis(acryloyloxy)butane, Cu(BF4)2 and NH4SCNin 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

ammonium thiocyanate

1070-70-8

1,4-Butanediol diacrylate

459-44-9

4-methylbenzenediazonium tetrafluoroborate

A

13826-83-0

ammonium tetrafluroborate

B

7727-37-9

nitrogen

C

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

Conditions
ConditionsYield
copper(II) bis(tetrafluoroborate) In water; acetone addn. of CH3C6H4N2BF4 to 1,4-bis(acryloyloxy)butane, Cu(BF4)2 and NH4SCNin 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

ammonium thiocyanate

2,5-dichloroaniline diazonium fluoroboric salt

A

13826-83-0

ammonium tetrafluroborate

B

7727-37-9

nitrogen

Conditions
ConditionsYield
With N,N-methylenediacrylamide; copper(II) tetrafluroborate hexahydrate In water; dimethyl sulfoxide byproducts: 2,5-Cl2C6H3CH2CH(SCN)CONHCH2NHCOCHCH2; addn. of 2,5-Cl2C6H3N2BF4 (1.1 equiv.) to N,N-methylenediacrylamide (1 equiv.) , Cu(BF4)2*6H2O (0.1 equiv.) and NH4SCN (1.1 equiv.) in H2O-DMSO (1:4) for 30 min; evolution of gas at 10-15°C for 45 min;
With N,N-methylenediacrylamide; copper(II) tetrafluroborate hexahydrate In water; N,N-dimethyl-formamide byproducts: 2,5-Cl2C6H3CH2CH(SCN)CONHCH2NHCOCHCH2; addn. of 2,5-Cl2C6H3N2BF4 (1.1 equiv.) to N,N-methylenediacrylamide (1 equiv.) , Cu(BF4)2*6H2O (0.1 equiv.) and NH4SCN (1.1 equiv.) in H2O-DMF (1:3) for 30 min; evolution of gas at 10-15°C for 45 min;

ammonium thiocyanate

459-64-3

4-methoxybenzenediazonium tetrafluoroborate

A

13826-83-0

ammonium tetrafluroborate

B

7727-37-9

nitrogen

Conditions
ConditionsYield
With N,N-methylenediacrylamide; copper(II) tetrafluroborate hexahydrate In water; dimethyl sulfoxide byproducts: 4-MeOC6H4CH2CH(SCN)CONHCH2NHCOCHCH2; addn. of 4-MeOC6H4N2BF4 (1.1 equiv.) to N,N-methylenediacrylamide (1 equiv.), Cu(BF4)2*6H2O (0.1 equiv.) and NH4SCN (1.1 equiv.) in H2O-DMSO (1:4) for 30 min; evolution of gas at 10-15°C for 45 min;
With N,N-methylenediacrylamide; copper(II) tetrafluroborate hexahydrate In water; N,N-dimethyl-formamide byproducts: 4-MeOC6H4CH2CH(SCN)CONHCH2NHCOCHCH2; addn. of 4-MeOC6H4N2BF4 (1.1 equiv.) to N,N-methylenediacrylamide (1 equiv.) , Cu(BF4)2*6H2O (0.1 equiv.) and NH4SCN (1.1 equiv.) in H2O-DMF (1:3) for 30 min; evolution of gas at 10-15°C for 45 min;

Ammonium tetrafluoroborate Chemical Properties

Molecule structure of Ammonium fluoroborate (CAS NO.13826-83-0) :

IUPAC Name: azanium tetrafluoroborate 
Molecular Weight: 104.843073 g/mol
Molecular Formula: BF4H4N 
Density: 1.871 g/mL at 25 °C(lit.)
Melting Point: 230 °C 
Water Solubility: soluble
Appreance: white crystalline powder
H-Bond Donor: 1
H-Bond Acceptor: 5
Exact Mass: 105.037292
MonoIsotopic Mass: 105.037292
Topological Polar Surface Area: 1
Heavy Atom Count: 6 
Complexity: 19.1
Canonical SMILES: [B-](F)(F)(F)F.[NH4+]
InChI: InChI=1S/BF4.H3N/c2-1(3,4)5;/h;1H3/q-1;/p+1
InChIKey: PDTKOBRZPAIMRD-UHFFFAOYSA-O
EINECS: 237-531-4
Product Categories: Industrial/Fine Chemicals; Inorganics

Ammonium tetrafluoroborate Uses

 Ammonium fluoroborate (CAS NO.13826-83-0) is used as analytical reagent and pesticides. In the textile printing and dyeing industry it used as a catalyst for resin finishing.

Ammonium tetrafluoroborate Production

Fluoride acid and ammonia in France fluoride hydrofluoric acid and boric acid in the autoclave at 60 °C below the 2h fluoride fluoride boric acid solution obtained above, give as gifts ammoniation reactor, by-pass and in ammonia, with Flow Control Ventilation volume. A large number of heat during the reaction kettle set up outside the ice bath cooling. Regular measurement of the temperature and adjust the ventilation amination, when the pH reached 3 ~ 4, the cease-pass ammonia. Cooling After the crystallization has been isolated from the product of more than liquid evaporation, cooling crystallization, centrifugal separation, at 80 °C under dry, acid ammonium fluoride system was finished.
HBF4 + NH3 → NH4BF4

Ammonium tetrafluoroborate Safety Profile

Hazard Codes: CorrosiveC 
Risk Statements: 36/37/38-34
R36/37/38: Irritating to eyes, respiratory system and skin
R34: Causes burns
Safety Statements: 26-36-45-36/37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 
S36: Wear suitable protective clothing 
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
RIDADR UN: 9088
WGK Germany: 3
RTECS: BQ6100000
Hazard Note: Corrosive/Moisture Sensitive
TSCA: T
Hazardous Substances Data: 13826-83-0(Hazardous Substances Data)

Ammonium tetrafluoroborate Specification

 Ammonium fluoroborate (CAS NO.13826-83-0) is also called Ammonium borofluoride ; Ammonium fluoborate (6CI) ;
Ammonium tetrafluoroborate ; Ammonium tetrafluoroborate(1-) ; Borate(1-), tetrafluoro-, ammonium . Acidic inorganic salts are generally soluble in water. The resulting solutions contain moderate concentrations of hydrogen ions and have pH's of less than 7.0. They react as acids to neutralize bases. These neutralizations generate heat, but less or far less than is generated by neutralization of inorganic acids, inorganic oxoacids, and carboxylic acid. They usually do not react as either oxidizing agents or reducing agents but such behavior is not impossible. Many of these compounds catalyze organic reactions. 
INHALATION: May cause irritation of respiratory passages, nose bleeds, and nausea. EYES: May irritate. 
Behavior in Fire: Sublimes above 238 °C yielding toxic fumes.

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