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Cas Database |
| Name |
DICHLOROPHENYLBORANE |
EINECS | N/A |
| CAS No. | 873-51-8 | Density | 1.224 g/mL at 25 °C(lit.) |
| PSA | 0.00000 | LogP | 1.85940 |
| Solubility | Soluble in water (Reacts violently). | Melting Point |
7 °C |
| Formula | C6H5 B Cl2 | Boiling Point | 66 °C11 mm Hg(lit.),186.2 °C at 760 mmHg |
| Molecular Weight | 158.823 | Flash Point | ?5 °F |
| Transport Information | UN 2924 3 | Appearance | Colourless or yellow transparent liquid. |
| Safety | The hot borane ignites in air. When heated to decomposition it emits toxic fumes of Cl−. See also BORANES. | Risk Codes | 11-34-37 |
| Molecular Structure |
|
Hazard Symbols |
 F C
|
| Synonyms |
Borine,dichlorophenyl- (6CI); Dichlorophenylborane; NSC 93889; Phenylboron dichloride;Phenyldichloroborane; Phenyldichloroboron |
Article Data | 89 |
DICHLOROPHENYLBORANE Synthetic route
| Conditions | Yield |
|---|---|
| In neat (no solvent) byproducts: ClSi(CH3)3; 60°C, 12h, ampul; | 98% |
| In dichloromethane byproducts: ClSi(CH3)3; in inert atmosphere, dropwise addn. of trimethylphenylsilane to a stirred soln. of BCl3 at -78°C, stirring (-78°C, 1 h), slow warming to room temp.; evapn. in vac. at 30°C.; | 92% |
- 10294-34-5
boron trichloride
- 19287-45-7
diborane
- 71-43-2
benzene
A
- 873-51-8
phenylborondichloride
B
- 1333-74-0
hydrogen
| Conditions | Yield |
|---|---|
| byproducts: boron hydride; High Pressure; under N2; diborane and trihalogen-borane was added to benzene at -130°C, then in a closed autoclave the mixture was heated to 130°C for 90 min; at -195.8°C H2 was removed, at room temp. the residue of trihalogen-borane and diborane were removed; | A 46% B 77% |
| Conditions | Yield |
|---|---|
| In octane boroxine was added under Ar to a soln. of AlCl3, the mixt was heated at about 100 °C for 10 h (stirring);; filtration, residue washed with hexane, dried in vac. at 20°C, recrystd. from benzene; elem. anal.;; | A 68% B n/a |
- 100-41-4
ethylbenzene
- 10294-34-5
boron trichloride
- 19287-45-7
diborane
A
- 1739-53-3
ethyl-dichloro-borane
B
- 873-51-8
phenylborondichloride
C
- 76782-86-0
(3-ethylphenyl)dichloroborane
D
- 4250-50-4
(4-ethylphenyl)dichloroborane
E
- 1333-74-0
hydrogen
| Conditions | Yield |
|---|---|
| With sodium hydroxide byproducts: benzene, boron hydride, CH3CH2C6H5; High Pressure; under N2; diborane and trihalogen-borane was added to ethylbenzene at -130°C, then in a closed autoclave the mixture was heated to 125°C for 85 min; at -195.8°C H2 was removed, at room temp. the residue of trihalogen-borane and diborane were removed; | A 16% B 4.5% C n/a D n/a E 68% |
| Conditions | Yield |
|---|---|
| iron(III) chloride In dichloromethane byproducts: BCl2(OC2H5); slow addn. of boronate to BCl3 soln. contg. FeCl3 under N2, 0°C, within 10 min; stirring at 0°C, 1 h and at 25°C, 1 h; evapn.; extn. (CH2Cl2); evapn.; distn.; | 67% |
- 98-82-8
Isopropylbenzene
- 10294-34-5
boron trichloride
- 19287-45-7
diborane
A
- 7680-99-1
dichloro-isopropyl-borane
B
- 76782-87-1
m-Dichlor(isopropylphenyl)boran
C
- 76782-88-2
p-Dichlor(isopropylphenyl)boran
D
- 873-51-8
phenylborondichloride
E
- 1333-74-0
hydrogen
| Conditions | Yield |
|---|---|
| byproducts: boron hydride, benzene, C3H8; High Pressure; under N2; diborane and trihalogen-borane was added to cumene at -130°C, then in a closed autoclave the mixture was heated to 130°C for 90 min; at -195.8°C H2 was removed, at room temp. the residue of trihalogen-borane and diborane were removed, unseparable isomers; elem. anal.; | A 4% B n/a C n/a D 20% E 61% |
| Conditions | Yield |
|---|---|
| In benzene BCl3 cooled at -78°C and quickly added to Sn(C6H5)4, cooled at 5°C while stirring; warming at ambient temp., boiled for 3.5 h using back-flow; best lab. method; solvent must be distd. below 140°C (immersion thermometer!); crude product distd. between 150-200°C; fractional vac. distn.; | 56% |
| In benzene BCl3 cooled at -78°C and quickly added to Sn(C6H5)4, cooled at 5°C while stirring; warming at ambient temp., boiled for 3.5 h using back-flow; best lab. method; solvent must be distd. below 140°C (immersion thermometer!); crude product distd. between 150-200°C; fractional vac. distn.; | 56% |
| Conditions | Yield |
|---|---|
| In neat (no solvent, solid phase) N2 atmosphere, (room temp., 1E-3 Torr); pptn. (petroleum ether, room temp., 2 d), recrystn. (decane); elem. anal.; | A n/a B 26% |
| Conditions | Yield |
|---|---|
| With hydrogenchloride In dichloromethane-d2 byproducts: B3Cl3O3; under N2, stirred at room temp. for 2 h; decanted in an NMR tube, cooled to -196°C and sealed; NMR, IR, mass spectra; | A 25% B n/a |
| Conditions | Yield |
|---|---|
| With boron trichloride | |
| With phosphorus pentachloride |
DICHLOROPHENYLBORANE Chemical Properties
Product Name: Dichlorophenylborane (CAS NO.873-51-8)
Molecular Formula: C6H5BCl2
Molecular Weight: 158.82g/mol
Mol File: 873-51-8.mol
Appearance: Clear colorless liquid
Melting Point: 7 °C
Boiling point: 186.2 °C at 760 mmHg
Storage Temperature: 2-8°C
Flash Point: 66.4 °C
Density: 1.224 g/mL at 25 °C(lit.)
Refractive index: n20/D 1.545(lit.)
Sensitive: Moisture Sensitive
Surface Tension: 29.8 dyne/cm
Enthalpy of Vaporization: 40.52 kJ/mol
Vapour Pressure: 0.92 mmHg at 25°C
DICHLOROPHENYLBORANE Safety Profile
Safety Information of Dichlorophenylborane (CAS NO.873-51-8):
Hazard Codes: F.gif){kind=small}
,C .gif){kind=small}
Risk Statements: 11-34-37
11: Highly Flammable
34: Causes burns
37: Irritating to the respiratory system
Safety Statements: 16-26-36/37/39-45
16: Keep away from sources of ignition - No smoking
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
37: Wear suitable gloves
39: Wear eye/face protection
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
DICHLOROPHENYLBORANE Specification
Dichlorophenylborane ,its CAS NO. is 873-51-8,the synonyms is Borane,dichlorophenyl- ; C6h5bcl2 ; Phenyldichloroborane ; Phenylboron dichloride ; Dichlorophenylborane ; Dichlorophenyl boron .
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