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Name	BORON TRIFLUORIDE ETHERATE	EINECS	203-689-8
CAS No.	109-63-7	Density	1.12 g/cm³
PSA	17.07000	LogP	1.92260
Solubility	Reacts with water	Melting Point	-58 °C(lit.)
Formula	C₄H₁₀BF₃O	Boiling Point	126 dec
Molecular Weight	141.929	Flash Point	118°F
Transport Information	UN 2604 8/PG 1	Appearance	colourless to brown fuming liquid with anacrid odour
Safety	16-23-26-36/37/39-45-8-28A-43	Risk Codes	10-14-20/22-35-48/23-34-14/15
Molecular Structure		Hazard Symbols	T,C
Synonyms	(Diethylether)trifluoroboron;Boron fluoride diethyl ether complex;Boron fluoridediethyl etherate;Boron fluoride etherate;Boron fluoride monoetherate;Boronfluoride-diethyl ether compound;Boron fluoride-ethyl ether complex;Boronfluoride-ethyl etherate;Boron trifluoride etherate(1:1);Boron trifluoride ethyl etherate (1:1);Boron trifluoride monoetherate;Boron trifluoride-diethyl ether (1:1);Boron trifluoride-diethyl ether 1:1complex;Boron trifluoride-diethyl ether complex;Boron trifluoride-diethylether complex (1:1);Trifluoroborane diethyl etherate;Trifluoro[1,1'-oxybis[ethane]]boron;Trifluoro(diethyl ether)boron;Ethylether-boron trifluoride complex;Boron trifluoride-diethyl etherate;Borontrifluoride-ether complex;Boron trifluoride-ethyl ether;Borontrifluoride-ethyl ether (1:1);Boron trifluoride-ethyl ether complex;Borontrifluoride-ethyl etherate;Diethyl ether compound with boron trifluoride;Diethylether trifluoroborane complex;Diethyl ether-trifluoroborane (1:1);Trifluoroboron etherate;Trifluoroborane-1,1'-oxybis[ethane] (1:1);Trifluoroboron-diethyl ether (1:1);(Diethyl ether)trifluoroborane;	Article Data	31

BORON TRIFLUORIDE ETHERATE Synthetic route

: 444-40-6
2,4,6-tris(trilfuoromethyl)phenyllithium

: 10294-34-5
boron trichloride

A: 99919-68-3
BF2Cl*Et2O

B: 99919-69-4
BFCl2*Et2O

C: 109-63-7
boron trifluoride diethyl etherate

D: 681812-01-1
2,4,6-(CF3)3C6H2BCl2

E: 681812-02-2
bis-(2,4,6-tris-trifluoromethyl-phenyl) fluoroborane

Conditions

Conditions	Yield
In diethyl ether under an inert atm.; to a soln. of Li-contg. compd. in hexanes and Et2O was added dropwise an excess of B-contg. compd. (1 M in heptane) at -78°C ; the react. mixt. was allowed to warm to room temp. for 6 h; the soln. was filtered and the solvents were removed under vac.; a mixt.of yellow oil and white solid; the mixt. was vac. distd. at 60°C /0.05 Torr; the residue was sublimed at 95°C under vac.;	A n/a B n/a C n/a D 5% E 24%

Yield

In diethyl ether under an inert atm.; to a soln. of Li-contg. compd. in hexanes and Et2O was added dropwise an excess of B-contg. compd. (1 M in heptane) at -78°C ; the react. mixt. was allowed to warm to room temp. for 6 h; the soln. was filtered and the solvents were removed under vac.; a mixt.of yellow oil and white solid; the mixt. was vac. distd. at 60°C /0.05 Torr; the residue was sublimed at 95°C under vac.;

A n/a
B n/a
C n/a
D 5%
E 24%

...Expand

: 109-63-7
boron trifluoride diethyl etherate

: 99179-72-3
3-acetoxy-4-methoxyphenol

: 7298-21-7
1-(2,4-dihydroxy-5-methoxyphenyl)ethan-1-one

Conditions

Conditions	Yield
at 70℃; for 2h;	100%

: 109-63-7
boron trifluoride diethyl etherate

: 675837-54-4
1-[bis(diisopropylamino)boryl]imidazole

: 675837-55-5
1-[bis(diisopropylamino)boryl]imidazole(N(3)-B)trifuoroborane

Conditions

Conditions	Yield
In tetrahydrofuran under Ar; BF3*OEt2 added to soln. of N-compd. in THF at -78°C, mixt. allowed to warm to room temp., stirred for 7 h; evapn. of solvent;	100%

: 109-63-7
boron trifluoride diethyl etherate

: 123-54-6
acetylacetone

: 15390-25-7
(acetylacetonato)borondifluoride

Conditions

Conditions	Yield
With potassium carbonate In dichloromethane at 20℃; for 0.5h;	100%
In dichloromethane for 12h; Inert atmosphere;	96%
With diphenyl acetylene In dichloromethane at 20℃; for 12h;	83%

: 946613-44-1
C2H5OCOC4N(CH3)2CHC4H2N(OCH3)C4H4N*HCl

: 109-63-7
boron trifluoride diethyl etherate

: 1318245-52-1
[(C2H5OCOC4N(CH3)2CHC4HN(OCH3)C4H3NH)BF2]

Conditions

Conditions	Yield
With (C2H5)3N In dichloromethane (C2H5)3N added to a soln. of ligand salt under N2, stirred for 10 min, Bcomplex added, stirred at room temp. for 2 h; poured into an aq. soln. of citric acid, extd. (ether), the org. layer washed with aq. citric acid, dried (Na2SO4), concd. (vac.), filtered (silica, CH2Cl2), concd. (vac.);	100%

: 109-63-7
boron trifluoride diethyl etherate

: 1430883-93-4
(1E,4Z,6E)-5-hydroxy-4-(3-methoxyphenyl)-1,7-bis(4-methoxyphenyl)hepta-1,4,6-trien-3-one

: (1E,4Z,6E)-5-(difluoroboryloxy)-4-(3-methoxyphenyl)-1,7-bis(4-methoxyphenyl)hepta-1,4,6-trien-3-one

Conditions

Conditions	Yield
In dichloromethane Reflux;	100%

: 109-63-7
boron trifluoride diethyl etherate

: 1430883-95-6
(1E,4Z,6E)-5-hydroxy-1,4,7-tris(4-methoxyphenyl)hepta-1,4,6-trien-3-one

: (1E,4Z,6E)-5-(difluoroboryloxy)-1,4,7-tris(4-methoxyphenyl)hepta-1,4,6-trien-3-one

Conditions

Conditions	Yield
In dichloromethane Reflux;	100%

: 109-63-7
boron trifluoride diethyl etherate

: 1430883-98-9
methyl 4-((1E,3Z,6E)-3-hydroxy-1,7-bis(4-methoxyphenyl)-5-oxohepta-1,3,6-trien-4-yl)benzoate

: (1E,4Z,6E)-5-(difluoroboryloxy)-4-(4-methoxyphenyl)-1,7-bis(4-methoxyphenyl)hepta-1,4,6-trien-3-one

Conditions

Conditions	Yield
In dichloromethane Reflux;	100%

: 109-63-7
boron trifluoride diethyl etherate

: 1430884-00-6
(1E,4Z,6E)-5-hydroxy-1,7-bis(4-methoxyphenyl)-4-phenylhepta-1,4,6-trien-3-one

: (1E,4Z,6E)-5-(difluoroboryloxy)-1,7-bis(4-methoxyphenyl)-4-phenylhepta-1,4,6-trien-3-one

Conditions

Conditions	Yield
In dichloromethane Reflux;	100%

: 109-63-7
boron trifluoride diethyl etherate

: 1430884-04-0
(1E,4Z,6E)-5-hydroxy-1,7-bis(4-methoxynaphthalen-1-yl)-4-phenylhepta-1,4,6-trien-3-one

: (1E,4Z,6E)-5-(difluoroboryloxy)-1,7-bis(4-methoxynaphthalen-1-yl)-4-phenylhepta-1,4,6-trien-3-one

Conditions

Conditions	Yield
In dichloromethane Reflux;	100%

BORON TRIFLUORIDE ETHERATE Chemical Properties

Product Name:Boron trifluoride etherate(109-63-7)
CAS No:109-63-7
MF: C₄H₁₀BF₃O
MW: 141.93
mp : -58 °C(lit.)
bp : 126-129 °C(lit.)
density : 1.15 g/mL(lit.)
vapor density : 4.9 (vs air)
vapor pressure : 4.2 mm Hg ( 20 °C)
refractive index : n20/D 1.344(lit.)
Fp : 118 °F
storage temp. : 2-8°C
form : liquid
color : brown
Water Solubility : Reacts
Sensitive : Moisture Sensitive
Synonyms of Boron trifluoride etherate(109-63-7): 1'-oxybis[ethane]]-trifluoro[(beta-4)-boro;bf3-ethercomplex;Borane, trifluoro-, compd. with 1,1'-oxybis(ethane) (1:1);borane,trifluoro-,cmpdwith1,1'-oxybis(ethane)(1:1);Borane,trifluoro-,compd.with1,1'-oxybis[ethane](1:1);Boron fluoride diethyl etherate;Boron fluoride etherate;Boron fluoride monoetherate
Molecular Structure of Boron trifluoride etherate(109-63-7):

Boron trifluoride etherate(109-63-7) is a fuming liquid. Boron trifluoride etherate may be corrosive to skin, eyes and mucous membranes. Boron trifluoride etherate(109-63-7) may be toxic by inhalation. Upon exposure to water Boron trifluoride etherate may emit flammable and corrosive vapors. Boron trifluoride etherate is used as a catalyst in chemical reactions.

BORON TRIFLUORIDE ETHERATE Toxicity Data With Reference

RTECS#: CAS# 109-63-7: None listed
LD50/LC50: RTECS: Not available. Other: Oral, rat: LD50 = 496 mg/kg
Carcinogenicity: Boron trifluoride etherate - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
Other: The toxicological properties have not been fully investigated.

BORON TRIFLUORIDE ETHERATE Safety Profile

Hazard Codes : T,C
Risk Statements : 10-14-20/22-35-48/23-34-14/15
Safety Statements : 16-23-26-36/37/39-45-8-28A-43
RIDADR : UN 2604 8/PG 1
WGK Germany : 3
F : 10
HazardClass : 8
PackingGroup : I

BORON TRIFLUORIDE ETHERATE Specification

Boron trifluoride etherate(109-63-7)`s Categories: Industrial/Fine Chemicals;Organometallics;Boron Trifluorides;Boron Trihalides;B (Classes of Boron Compounds);Biochemistry;Reagents for Oligosaccharide Synthesis;Fluoro series

Handling: Do not allow water to get into the container because of violent reaction. Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Take precautionary measures against static discharges. Do not ingest or inhale. Use and store under nitrogen. Use only in a chemical fume hood. This product may be under pressure; cool before opening.
Storage: Keep away from heat and flame. Store in a cool, dry place. Store in a tightly closed container. Flammables-area. Store protected from moisture. Store under an inert atmosphere.

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