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| CAS No.: | 238-84-6 |
|---|---|
| Name: | 1,2-BENZOFLUORENE |
| Article Data: | 52 |
| Molecular Structure: | |
|
|
|
| Formula: | C17H12 |
| Molecular Weight: | 216.282 |
| Synonyms: | 1,2-Benzofluorene;Benzo[a]fluorene; Chrysofluorene; NSC 89262 |
| Density: | 1.185g/cm3 |
| Melting Point: |
185-190 °C |
| Boiling Point: | 398.3°Cat760mmHg |
| Flash Point: | 185.4°C |
| Solubility: | 45ug/L(25 oC) |
| Hazard Symbols: |
 
|
| Risk Codes: | 11-23/24/25-39/23/24/25 |
| Safety: | Mutation data reported. When heated to decomposition it emits acrid smoke and irritating vapors. |
| PSA: | 0.00000 |
| LogP: | 4.41100 |
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- 68439-39-4Poly(oxy-1,2-ethanediyl), alpha-(2-ethylhexyl)-omega-hydroxy-,
- 238-84-6
benzo[a]fluorene
| Conditions | Yield |
|---|---|
| With potassium hydroxide In methanol for 4h; Heating; | 89% |
| Conditions | Yield |
|---|---|
| Stage #1: 1-Bromonaphthalene; diphenyl acetylene With 1,8-diazabicyclo[5.4.0]undec-7-ene; cesium pivalate; 1,2-bis-(diphenylphosphino)ethane; palladium dichloride In 1,4-dioxane at 130℃; for 24h; Sealed tube; Inert atmosphere; Stage #2: With 18-crown-6 ether; potassium tert-butylate; hydrazine hydrate; potassium hydroxide In 1,4-dioxane at 110℃; for 12h; Temperature; Inert atmosphere; Sealed tube; | 88% |
- 114325-52-9
C17H14O
- 238-84-6
benzo[a]fluorene
| Conditions | Yield |
|---|---|
| With hydrogen cation | 85% |
| With hydrogenchloride In ethanol for 24h; Heating; | 20 mg |
| Conditions | Yield |
|---|---|
| Stage #1: bromobenzene; bis(1-naphthyl)acetylene With 1,8-diazabicyclo[5.4.0]undec-7-ene; cesium pivalate; 1,2-bis-(diphenylphosphino)ethane; palladium dichloride In 1,4-dioxane at 130℃; for 24h; Sealed tube; Inert atmosphere; Stage #2: With 18-crown-6 ether; potassium tert-butylate; hydrazine hydrate; potassium hydroxide In 1,4-dioxane at 110℃; for 12h; Inert atmosphere; Sealed tube; | 80% |
- 238-84-6
benzo[a]fluorene
| Conditions | Yield |
|---|---|
| With (R)-10-camphorsulfonic acid; tetrahydrothiophene gold(III) bromide; bis-[(trifluoroacetoxy)iodo]benzene In methanol; chloroform at 27℃; for 1h; Schlenk technique; Inert atmosphere; | 80% |
- 78649-20-4
2',3'-Dihydro-1,1'-spirobiinden
A
- 238-84-6
benzo[a]fluorene
B
- 78649-21-5
6,11-dihydro-5H-benzofluorene
| Conditions | Yield |
|---|---|
| In diphenylether at 200℃; | A 7% B 79% |
| In cyclohexane at 10℃; Irradiation; | A 13% B 74% |
| Conditions | Yield |
|---|---|
| With hydrogen iodide; acetic acid |
- 60599-30-6
5-hydroxy-benzo[a]fluoren-11-one
- 238-84-6
benzo[a]fluorene
| Conditions | Yield |
|---|---|
| With zinc | |
| With zinc bei der Destillation; |
- 137675-27-5
11a-methyl-6,6a,11,11a-tetrahydro-5H-benzo[a]fluorene
- 238-84-6
benzo[a]fluorene
| Conditions | Yield |
|---|---|
| With selenium at 310 - 320℃; |
- 109695-76-3
11H-benzo[a]fluorene-11-carboxylic acid
- 238-84-6
benzo[a]fluorene
| Conditions | Yield |
|---|---|
| With N,N-dimethyl-formamide |
- Total:18 Page 1 of 1 1
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Chemistry
IUPAC Name:11H-Benzo[a]fluorene
Synonyms: 11H-benzo[a]fluorene ; a-Naphthofluorene ; Benzo(a)fluorene ; 1,2-Benzofluorene ; 11H-Benzo(a)fluorene ; 11H-Benzo[a]fluorene solution
CAS NO: 238-84-6
Molecular Formula of alpha-Naphthofluorene (CAS NO.238-84-6) : C17H12
Molecular Weight of alpha-Naphthofluorene (CAS NO.238-84-6) : 216.28
Molecular Structure of alpha-Naphthofluorene (CAS NO.238-84-6) : 
EINECS: 205-944-9
Mol File: 238-84-6.mol
Index of Refraction: 1.714
Surface Tension: 52.2 dyne/cm
Density: 1.185 g/cm3
Flash Point: 185.4 °C
Enthalpy of Vaporization: 62.35 kJ/mol
Boiling Point: 398.3 °C at 760 mmHg
Vapour Pressure: 3.43E-06 mmHg at 25°C
Melting point: 185-190 °C
Toxicity Data With Reference
| 1. | mma-sat 50 µg/plate | MUREAV Mutation Research. 174 (1986),247. |
Consensus Reports
IARC Cancer Review: Group 3 IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 7 ,1987,p. 56.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 32 ,1983,p. 177.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 32 ,1983,p. 177.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210)
Safety Profile
Mutation data reported. When heated to decomposition it emits acrid smoke and irritating vapors.
Hazard Codes 
F,
T
Risk Statements 11-39-23/24/25
R11:Highly flammable.
R39:Danger of very serious irreversible effects.
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed.
Safety Statements 36/37-45
S36/37:Wear suitable protective clothing and gloves.
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR 2811
WGK Germany 3
RTECS DF6382000
HazardClass 6.1(b)
PackingGroup III