2,3-BENZOFLUORENE
Synonym(s):11H-Benzo[b]fluorene;Isonaphthofluorene
- CAS NO.：243-17-4
- Empirical Formula: C17H12
- Molecular Weight: 216.28
- MDL number: MFCD00003595
- EINECS: 205-952-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:26:59
What is 2,3-BENZOFLUORENE?
Chemical properties
ALMOST WHITE TO YELLOW-GREEN CRYSTALLINE POWDER
The Uses of 2,3-BENZOFLUORENE
2,3-Benzofluorene was used in three way analysis of fluorescence excitation-emission matrices of mixtures of polycyclic aromatic hydrocarbons. It was used as standard to detect the ambient particle-bound polycyclic aromatic hydrocarbons by a real-time aerosol mass spectrometer.
Definition
ChEBI: Benzo[b]fluorene is a carbotetracyclic compound.
Synthesis Reference(s)
The Journal of Organic Chemistry, 53, p. 904, 1988 DOI: 10.1021/jo00239a050
General Description
2,3-Benzofluorene was identified in a coal liquid (solvent-refined coal) product by synchronous fluorescence and the room-temperature phosphorescence methods. It inhibits estradiol-dependent reporter activity in yeast.
Safety Profile
Mutation data reported.Questionable carcinogen. When heated to decompositionit emits acrid smoke and irritating vapors.
Carcinogenicity
Benzo[b]fluoranthene gave a positive result in one two-stage carcinogenesis test in mice.
Properties of 2,3-BENZOFLUORENE
| Melting point: | 211-213 °C(lit.) |
| Boiling point: | 402 °C |
| Density | 1.1020 (estimate) |
| refractive index | 1.6000 (estimate) |
| solubility | methanol: soluble |
| form | powder to crystal |
| color | White to Green to Brown |
| Water Solubility | 4ug/L(25 ºC) |
| BRN | 2046365 |
| CAS DataBase Reference | 243-17-4(CAS DataBase Reference) |
| IARC | 3 (Vol. 92, Sup 7) 2010 |
| EPA Substance Registry System | 11H-Benzo[b]fluorene (243-17-4) |
Safety information for 2,3-BENZOFLUORENE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for 2,3-BENZOFLUORENE
New Products
2-(3-Methyl-1,2,4-oxadiazol-5-yl)acetic acid (as potassium salt) 2-fluoro-4-iodoaniline 4-Iodo-3,5-dimethylbenzonitrile Atorvastatin amide impurity/Atorvastatin EP Impurity F(Calcium Salt) Lantanoprost rc B Clidinium Bromide Impurity Noradrenaline EP Impurity D/Noradrenaline Methyl Ether Cetirizine EP Impurity A/Cetirizine CBHP Impurity N-Nitroso hydroxy Cetrizine EP Impurity-A (4-Fluoro-2-methoxy-5-nitro- phenyl)-[4- (1-methyl-1H- indol-3- yl)-pyrimidin-2-yl]- amine 6-bromo-4-fluoro-1-isopropyl-2-methyl-1H-benzo[d]imidazole tert-butyl 4-(6-((7-cyclo pentyl -6-(dimethyl carbamoyl) -7H-pyrrolo [2,3-d]pyrimidin-2-yl) amino)pyridin-3-yl) piperazine-1-carboxylate 2-Fluoro-4-nitrotoluene 1-(2-amino-5-hydroxy phenyl)propan-1-one (3R,4R)-1-benzyl-N,4-dimethylpiperidin-3- amine 3-(Dimethylamino)benzoic acid 2-Amino-5-chloropyridine 4-(Methylamino)-3-nitrobenzoic Acid 5-Chloro-2-Nitroaniline 3,5-dibenzyloxy Acetophenone 2,4-Diamino-6-hydroxypyrimidine 2-Chloro Benzylcyanide 3-chlorobenzyl cyanide 3,4 Diethoxy BenzylcyanideRelated products of tetrahydrofuran
![11H-BENZO[B]FLUOREN-11-ONE](https://img.chemicalbook.in/CAS/GIF/3074-03-1.gif)
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