ChemicalBook > CAS DataBase List > 2,3-BENZOFLUORENE

2,3-BENZOFLUORENE

Product Name
2,3-BENZOFLUORENE
CAS No.
243-17-4
Chemical Name
2,3-BENZOFLUORENE
Synonyms
BENZ[B]FLURENE;2,3-BENZFLUORENE;BENZO(B)FLUORENE;2,3-BENZOFLUORENE;ISONAPHTHOFLUORENE;11H-BENZO[B]FLUORENE;2,3-Benzofluorene >Zavegepant Impurity 3;2,3-BENZOFLUORENE 95+%;2,3-Benzofluorene,90%,tech.
CBNumber
CB9779747
Molecular Formula
C17H12
Formula Weight
216.28
MOL File
243-17-4.mol
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2,3-BENZOFLUORENE Property

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)
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Safety

Safety Statements 
22-24/25
RIDADR 
2811
WGK Germany 
3
RTECS 
DF6383500
HS Code 
2902.90.9000
HazardClass 
6.1(b)
PackingGroup 
III
Toxicity
mma-sat 15 mg/plate MUREAV 174,247,86
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
123595
Product name
2,3-Benzofluorene
Purity
98%
Packaging
500mg
Price
$551
Updated
2023/06/20
TCI Chemical
Product number
B0059
Product name
2,3-Benzofluorene
Purity
>97.0%(GC)
Packaging
1g
Price
$467
Updated
2024/03/01
TCI Chemical
Product number
B0059
Product name
2,3-Benzofluorene
Purity
>97.0%(GC)
Packaging
100mg
Price
$80
Updated
2024/03/01
TRC
Product number
B415983
Product name
2,3-Benzofluorene
Packaging
10mg
Price
$75
Updated
2021/12/16
TRC
Product number
B415983
Product name
2,3-Benzofluorene
Packaging
1mg
Price
$45
Updated
2021/12/16
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2,3-BENZOFLUORENE Chemical Properties,Usage,Production

Chemical Properties

ALMOST WHITE TO YELLOW-GREEN CRYSTALLINE POWDER

Uses

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.

2,3-BENZOFLUORENE Preparation Products And Raw materials

Raw materials

Preparation Products

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2,3-BENZOFLUORENE Suppliers

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View Lastest Price from 2,3-BENZOFLUORENE manufacturers

Henan Fengda Chemical Co., Ltd
Product
11h-benzo(b)fluorene 243-17-4
Price
US $200.00-1.00/KG
Min. Order
1KG
Purity
99%, 99.5% Sublimated
Supply Ability
g-kg-tons, free sample is available
Release date
2023-12-31

243-17-4, 2,3-BENZOFLUORENERelated Search:

1,2-Dinitrobenzene Fluorene 2-PHENYLNAPHTHALENE 2,3-DIMETHYLNAPHTHALENE 2-Methylnaphthalene 2-ETHYLNAPHTHALENE 2,3-BENZOFLUORENE benzofluorene(non-specificname TRASEOLIDE 2-BENZYLNAPHTHALENE 11H-BENZO[B]FLUOREN-11-ONE 3,4-benzofluoren 1,1'-DIOCTADECYL-3,3,3',3'-*TETRAMETHYLINDOCARBO- 2.3-BENZOFLUORENE SOLUTION 100UG/ML IN TOLUENE 1ML 1.2-BENZOFLUORENE SOLUTION 100UG/ML IN TOLUENE 5X1ML 1 2-BENZOFLUORENE SOLUTION 100 NG/MYL 2.3-BENZOFLUORENE SOLUTION 100UG/ML IN TOLUENE 5ML BENZO?FLUORANTHENE(3,4-BENZOFLUORENE)

  • 2,3-BENZOFLUORENE 95+%
  • 11H-Benzo[b]fluorene, Isonaphthofluorene
  • 2,3-BENZOFLUORENE, TECH.,90%
  • 2,3-Benzofluorene,90%,tech.
  • BENZO(B)FLUORENE OEKANAL, 100 MG
  • 2,3-Benzofluorene, tech., 90%
  • 2.3-Benzofluorene 10mg [243-17-4]
  • 2,3-Benzofluorene,11H-Benzo[b]fluorene, Isonaphthofluorene
  • 2,3-BENZOFLUORENE
  • 2,3-BENZFLUORENE
  • 11H-BENZO[B]FLUORENE
  • ISONAPHTHOFLUORENE
  • BENZ[B]FLURENE
  • BENZO(B)FLUORENE
  • 2,3-Benzofluorene@50 μg/mL in Toluene
  • 2,3-Benzofluorene &gt
  • Zavegepant Impurity 3
  • 2,3-Benzofluorene Solution in Toluene
  • 11H-Benzo[b]fluorene in toluene
  • 243-17-4
  • 3077-19-6
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