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Name	Dibenzofuran	EINECS	205-071-3
CAS No.	132-64-9	Density	1.197 g/cm³
PSA	13.14000	LogP	3.58600
Solubility	water: <0.1 g/100 mL at 20 °C	Melting Point	80-82 °C(lit.)
Formula	C₁₂H₈O	Boiling Point	287 °C at 760 mmHg
Molecular Weight	168.195	Flash Point	135 °C
Transport Information	UN 3077	Appearance	white to pale yellow crystalline powder
Safety	22-24/25-61-29-45-36/37-16-7-7/9-23-53	Risk Codes	51/53-22-39/23/24/25-23/24/25-11-20/21/22-63-43-36/37/38-45
Molecular Structure		Hazard Symbols	N,Xn,T,F
Synonyms	CPD-926;2, 2-Biphenylylene oxide;Dipheny-oxide;[1,1-Biphenyl]-2,2-diyl oxide;[1,1'-Biphenyl]-2,2'-diyl oxide;2,2-Biphenylene oxide;Dibenzo[b, d]furan;Diphenylene-oxide;Industrial Dibenzofurane;Diphenylene Oxide;	Article Data	228

Dibenzofuran Synthetic route

: 2'-methoxy-(1,1'-biphenyl)-2-diazonium tetrafluoroborate

: 132-64-9
dibenzofuran

Conditions

Conditions	Yield
In acetonitrile at 20℃; for 15h; Temperature; Time; Inert atmosphere;	100%

: 7025-06-1
1-bromo-2-phenoxybenzene

: 132-64-9
dibenzofuran

Conditions

Conditions	Yield
With 6-methoxy quinoline; palladium diacetate; potassium carbonate In 1-methyl-pyrrolidin-2-one at 135℃; for 22h; Catalytic behavior; Solvent; Temperature; Reagent/catalyst; Sealed tube;	99%
With sodium carbonate; palladium diacetate In N,N-dimethyl acetamide at 170℃; for 0.75h;	74%

: 34883-46-0
1-(2-iodophenoxy)benzene

: 132-64-9
dibenzofuran

Conditions

Conditions	Yield
With palladium diacetate; potassium carbonate; tricyclohexylphosphine tetrafluoroborate; silver carbonate In N,N-dimethyl acetamide at 130℃;	99%
With palladium 10% on activated carbon; sodium acetate In N,N-dimethyl acetamide at 140℃; for 16h;	95%
With palladium diacetate; potassium carbonate; tricyclohexylphosphine tetrafluoroborate In N,N-dimethyl acetamide at 130℃; Inert atmosphere;	95%
With potassium acetate; palladium dihydroxide In N,N-dimethyl acetamide at 145℃;	92%
With tricyclohexylphosphine; palladium diacetate In acetonitrile at 100℃; for 24h;

: 1806-29-7
2,2'-dihydroxybiphenyl

: 132-64-9
dibenzofuran

Conditions

Conditions	Yield
Nafion-H In o-xylene for 12h; Heating; also with toluene, 36 h;	96%
With phosphorus pentoxide at 300℃;
With zinc(II) chloride at 309.9℃; for 44h; Yield given;
Erhitzen auf Siedetemperatur;
Multi-step reaction with 2 steps 1: Raney nickel; ethanol / 200 °C / 88260.9 Torr / Hydrogenation 2: N-bromo-succinimide; dibenzoyl peroxide; tetrachloromethane View Scheme

: 2-phenoxyphenyl triflate

: 132-64-9
dibenzofuran

Conditions

Conditions	Yield
With bis(triphenylphosphine)palladium(II)-chloride; 1,8-diazabicyclo[5.4.0]undec-7-ene; lithium chloride In N,N-dimethyl-formamide at 145℃;	96%

: C12H8Cl2Mg2O

: 132-64-9
dibenzofuran

Conditions

Conditions	Yield
With 3,5,3',5'-tetra-tert-butyl-4,4'-diphenoquinone; lithium chloride In tetrahydrofuran	96%

: 96706-46-6
dibenzofuran-4-carbaldehyde

: 132-64-9
dibenzofuran

Conditions

Conditions	Yield
With palladium diacetate; potassium carbonate In ethyl acetate at 150℃; under 12929 Torr; for 0.833333h; Microwave irradiation; Molecular sieve;	96%
With palladium diacetate In cyclohexane at 140℃; for 24h; Molecular sieve; air;	89%
Multi-step reaction with 2 steps 1: sodium tetrahydroborate / ethanol / 20 °C 2: sodium carbonate; palladium diacetate; oxygen / 36 h / 130 °C / Molecular sieve; Schlenk technique View Scheme

: 189999-35-7
[1,1'-biphenyl]-2,2'-iodonium trifluoromethanesulfonate

: 132-64-9
dibenzofuran

Conditions

Conditions	Yield
With copper(l) iodide; 1,10-Phenanthroline; potassium carbonate In water at 100℃; for 24h;	96%
With water; copper diacetate; sodium carbonate In N,N-dimethyl-formamide at 100℃; for 12h; Catalytic behavior; Reagent/catalyst; Solvent; Inert atmosphere; Sealed tube;	88%

: 14205-96-0
dibenzo[c,e][1,2]oxaborinin-6-ol

: 132-64-9
dibenzofuran

Conditions

Conditions	Yield
With 1,10-Phenanthroline; copper diacetate; silver carbonate In ethanol; water at 40℃; for 19h; Catalytic behavior; Reagent/catalyst; Solvent; Temperature; Time;	94.5%

: 86-76-0
2-bromodibenzo[b,d]furan

: 132-64-9
dibenzofuran

Conditions

Conditions	Yield
With sodium hydroxide In isopropyl alcohol at 20℃; for 1h; UV-irradiation;	94%
With tetraethylammonium perchlorate; triethylamine In dimethyl sulfoxide at 20℃; for 4h; Electrolysis; Green chemistry;	94%
Stage #1: 2-bromodibenzo[b,d]furan With nickel(II) iodide; 1,4-bis(dicyclohexylphosphino)butane; sodium carbonate; cesium iodide In tetrahydrofuran for 0.25h; Schlenk technique; Glovebox; Stage #2: In tetrahydrofuran at 35℃; for 72h; Irradiation;	90%

Dibenzofuran Chemical Properties

Product Name: Dibenzofuran (CAS NO.132-64-9)

Molecular Formula: C₁₂H₈O
Molecular Weight: 168.19g/mol
Mol File: 132-64-9.mol
EINECS: 205-071-3
Appearance: White to light yellow crystal powde
Melting Point: 80-82 °C(lit.)
Boiling point: 287 °C at 760 mmHg
Storage Temperature: 2-8°C
Flash Point: 135 °C
Density: 1.197 g/cm³
Water Solubility: <0.1 g/100 mL at 20 ºC
Surface Tension: 47.5 dyne/cm
Enthalpy of Vaporization: 50.5 kJ/mol
Vapour Pressure: 0.0044 mmHg at 25°C
XLogP3-AA: 4.1
H-Bond Donor: 0
H-Bond Acceptor: 1
Structure Descriptors of Dibenzofuran (CAS NO.132-64-9):
IUPAC Name: dibenzofuran
Canonical SMILES: C1=CC=C2C(=C1)C3=CC=CC=C3O2
InChI: InChI=1S/C12H8O/c1-3-7-11-9(5-1)10-6-2-4-8-12(10)13-11/h1-8H
InChIKey: TXCDCPKCNAJMEE-UHFFFAOYSA-N
Product Categories: Intermediates of Dyes and Pigments; Fluorene Derivatives; Organics; Furan&Benzofuran; Alpha Sort; D; DAlphabetic; DIA - DIC; Volatiles/ Semivolatiles; Alphabetic

Dibenzofuran Toxicity Data With Reference

sce-ham:ovr 10 mg/L

EMMUEG Environmental and Molecular Mutagenesis. 10 (Suppl 10)(1987),1.

DIBENZOFURAN(132-64-9) has some toxicities.
R-phrases :R51/53
S-phrases :S24/25 S29 S61

Dibenzofuran Consensus Reports

Reported in EPA TSCA Inventory.

Dibenzofuran Safety Profile

Mutation data reported. When heated to decomposition DIBENZOFURAN(132-64-9) emits acrid smoke and irritating vapors.
Safety Information of Dibenzofuran (CAS NO.132-64-9):
Hazard Codes: N Dangerous ,Xn Harmful ,T Toxic ,F Highly
Risk Statements: 51/53-22-39/23/24/25-23/24/25-11-20/21/22-63-43-36/37/38-45
11: Highly Flammable
20: Harmful by inhalation
21: Harmful in contact with skin
22: Harmful if swallowed
23: Toxic by inhalation
24: Toxic in contact with skin
25: Toxic if swallowed
36: Irritating to the eyes
37: Irritating to the respiratory system
38: Irritating to the skin
39: Danger of very serious irreversible effects
43: May cause sensitization by skin contact
45: May cause cancer
51: Toxic to aquatic organisms
53: May cause long-term adverse effects in the aquatic environment
63: Possible risk of harm to the unborn child
Safety Statements: 22-24/25-61-29-45-36/37-16-7-7/9-23-53
7: Keep container tightly closed
9: Keep container in a well-ventilated place
16: Keep away from sources of ignition - No smoking
22: Do not breathe dust
23: Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer)
24: Avoid contact with skin
25: Avoid contact with eyes
29: Do not empty into drains
36: Wear suitable protective clothing
37: Wear suitable gloves
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
53: Avoid exposure - obtain special instruction before use
RIDADR: UN3077
WGK Germany: 3
RTECS: HP4430000
HazardClass: 9
PackingGroup: III
HS Code: 29329995
Hazardous Substances Data: 132-64-9(Hazardous Substances Data)

Dibenzofuran Specification

Dibenzofuran , its CAS NO. is 132-64-9, the synonyms are (1,1'-Biphenyl)-2,2'-diyl oxide ; 2,2'-Biphenylene oxide ; 2,2'-Biphenylylene oxide ; Dibenzo(b,d)furan ; Diphenylene oxide .

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