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Cas Database |
| Name |
Fluorene |
EINECS | 201-695-5 |
| CAS No. | 86-73-7 | Density | 1.12 g/cm3 |
| PSA | 0.00000 | LogP | 3.25780 |
| Solubility | insoluble in water | Melting Point |
111-114 °C(lit.) |
| Formula | C13H10 | Boiling Point | 293.568 °C at 760 mmHg |
| Molecular Weight | 166.222 | Flash Point | 133.064 °C |
| Transport Information | UN 3077 9/PG 3 | Appearance | white crystals |
| Safety | 60-61-24/25-45-36/37-16-7-62-33-24-22-36/37/39-27-26 | Risk Codes | 50/53-39/23/24/25-23/24/25-11-67-65-38-36/38-36/37/38 |
| Molecular Structure |
|
Hazard Symbols |
 N,  T,  F,  Xn,  Xi
|
| Synonyms |
Fluorene(8CI);2,2'-Methylenebiphenyl;Diphenylenemethane;Methane, diphenylene-;NSC6787;o-Biphenylenemethane; |
Article Data | 332 |
Fluorene Synthetic route
| Conditions | Yield |
|---|---|
| With phenylphosphane at 140℃; for 72h; | 100% |
| With iodine; hypophosphorous acid In acetic acid for 24h; Reduction; Heating; | 99% |
| With formic acid In water at 130℃; for 6h; Green chemistry; | 97% |
| Conditions | Yield |
|---|---|
| copper(I) oxide In acetonitrile at 50℃; for 0.25h; | 100% |
| copper(I) oxide In acetonitrile at 50℃; for 0.25h; decarboxylation of arylacetic acids in the presence of Cu2O, investigation of the effect of electronwithdrawing substituents; | 100% |
| In 1-methyl-pyrrolidin-2-one at 220℃; for 0.166667h; microwave irradiation; | 90% |
| Conditions | Yield |
|---|---|
| With ammonium chloride; zinc In water at 20℃; for 16h; Reagent/catalyst; Inert atmosphere; | 99% |
| With sodium tetrahydroborate; water In methanol at 20℃; for 0.25h; | 96% |
| With tetraethylammonium perchlorate; triethylamine In ethanol; dimethyl sulfoxide at 20℃; for 4h; Electrolysis; Green chemistry; | 95% |
| Conditions | Yield |
|---|---|
| A n/a B 99% | |
| A n/a B 97% | |
| A n/a B 95% |
| Conditions | Yield |
|---|---|
| With [ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2; potassium tert-butylate; isopropyl alcohol at 100℃; Schlenk technique; Inert atmosphere; | 99% |
| With [RhCl2(p-cymene)]2; potassium tert-butylate In isopropyl alcohol at 20 - 100℃; for 24h; Inert atmosphere; | 99% |
- 86-73-7
9H-fluorene
| Conditions | Yield |
|---|---|
| With chloro-trimethyl-silane In tetrahydrofuran; N,N-dimethyl-formamide at 60℃; for 1h; | 98% |
| Conditions | Yield |
|---|---|
| With methanol; sodium dibenzylphosphinite for 3h; Ambient temperature; | A 98% B 94% |
- 832-80-4
9-diazofluorenone
A
- 86-73-7
9H-fluorene
B
- 486-25-9
9-fluorenone
C
- 2071-44-5
di-fluoren-9-ylidene-hydrazine
| Conditions | Yield |
|---|---|
| With tetrabutylammonium perchlorate In N,N-dimethyl-formamide at 20 - 23℃; Pt-cathode; | A 1% B 0.5% C 97% |
| Conditions | Yield |
|---|---|
| palladium on activated carbon at 250℃; for 2h; | A 97% B 88% |
| at 250℃; for 2h; | A 96% B 95% |
| palladium on activated carbon at 230 - 250℃; for 2 - 4h; | A 91% B 88% |
- 114581-83-8, 125713-80-6
{tris{(2-pyridyl)methyl}amine(CH3CN)Cu(I)}{PF6}
- 1940-57-4
9H-fluoren-9-yl bromide
A
- 86-73-7
9H-fluorene
B
- 135436-20-3
(tris(2-pyridylmethyl)amine)BrCu(II) PF6
C
- 1530-12-7
9,9'-bifluorenyl
| Conditions | Yield |
|---|---|
| In acetonitrile Ar atmosphere, room temp.; stirring of Cu-compd. in MeCN (10 min), addn. of soln. of org. compd. in MeCN, stirring (2 h); removal of MeCN (vac.), extn. of org. compds.; | A 3% B 80-95 C 97% |
Fluorene Specification
1.Introduction of Fluorene
Fluorene, with its CAS NO 86-73-7, is a kind of white crystal. It has synonyms of Fluorene(8CI);2,2'-Methylenebiphenyl;Diphenylenemethane;Methane, diphenylene-;NSC6787 and o-Biphenylenemethane. Fluorene should be stored in shady and cool warehouse and mainly used as pharmaceutical Intermediates.
2.Properties of Fluorene
(1) Empirical Formula: C13H10 (2) Molecular Weight: 166.2185 (3) IUPAC Name: 9H-fluorene
(4) Appearance: white crystals (5) Nominal Mass: 166 Da (6) Average Mass: 166.2185 Da
(7) Monoisotopic Mass: 166.07825 Da (8) Index of Refraction: 1.645 (9) Molar Refractivity: 53.79 cm3
(10) Molar Volume: 148.3 cm3 (11) Surface Tension: 46.2 dyne/cm (12) Density: 1.12 g/cm3
(13) Flash Point: 133.1 °C (14) Enthalpy of Vaporization: 51.18 kJ/mol (15) Boiling Point: 293.6 °C at 760 mmHg
(16) Vapour Pressure: 0.003 mmHg at 25°C
3.Structure descriptors of Fluorene
IUPAC Name: 9H-fluorene
InChI: InChI=1S/C13H10/c1-3-7-12-10(5-1)9-11-6-2-4-8-13(11)12/h1-8H,9H2
InChIKey: NIHNNTQXNPWCJQ-UHFFFAOYSA-N
Canonical SMILES : C1C2=CC=CC=C2C3=CC=CC=C31
4.Safety information of Fluorene
Hazard Codes:N
F
Xi
Xn
Risk Statements: 50/53-39/23/24/25-23/24/25-11-67-65-38-36/38-36/37/38
R50/53: Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
R39: Danger of very serious irreversible effects
R23/24/25: Toxic by inhalation, in contact with skin and if swallowed
R11: Highly flammable
R67: Vapours may cause drowsiness and dizziness
R65: Harmful: may cause lung damage if swallowed
R38: Irritating to skin
R36/38: Irritating to eyes and skin
R36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements: 60-61-24/25-45-36/37-16-7-62-33-24-22-36/37/39-27-26
S60: This material and its container must be disposed of as hazardous waste
S61: Avoid release to the environment. Refer to special instructions / safety data sheets
S24/25: Avoid contact with skin and eyes
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S36/37: Wear suitable protective clothing and gloves
S16: Keep away from sources of ignition
S62: If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label
S33: Take precautionary measures against static discharges
S24: Avoid contact with skin
S22: Do not breathe dust
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection
S27: Take off immediately all contaminated clothing
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
RIDADR: UN 3077 9/PG 3
WGK Germany: 3
RTECS: LL5670000
Hazard Note: Harmful
HazardClass 9
PackingGroup: III
HS Code: 29029080
5.Uses of Fluorene
Fluorene is used to make dyes, plastics, and pesticides. Fluorene can be found in corn SILK and engine exhaust gas. Fluorene is used for production of fluorenone and fluorene-9-Methanol.Poly(fluorene) is commonly used as a luminophore in organic light-emitting diodes. Fluorene copolymers are being investigated as materials for solar cells.
6. Toxity data of Fluorene
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | > 2gm/kg (2000mg/kg) | Pharmaceutical Chemistry Journal Vol. 19, Pg. 326, 1985 |
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