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Dibenzo(a,f)fluoranthene is a polycyclic aromatic hydrocarbon (PAH) consisting of five fused benzene rings and two additional carbon atoms, forming a planar structure. It is a black, crystalline solid with a molecular formula of C20H12 and a molecular weight of 252.31 g/mol. This chemical is a known environmental pollutant and a byproduct of incomplete combustion processes, such as those occurring in industrial manufacturing, vehicle emissions, and forest fires. Dibenzo(a,f)fluoranthene is classified as a potential human carcinogen due to its ability to induce DNA damage and promote tumor growth. It is also persistent in the environment, with a low solubility in water and a high affinity for binding to soil particles, making it difficult to remove from contaminated sites. As a result, it poses a significant risk to human health and the environment, necessitating proper management and remediation efforts.

203-11-2

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203-11-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 203-11-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,0 and 3 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 203-11:
(5*2)+(4*0)+(3*3)+(2*1)+(1*1)=22
22 % 10 = 2
So 203-11-2 is a valid CAS Registry Number.
InChI:InChI=1/C24H14/c1-3-9-18-15(7-1)13-17-14-16-8-2-4-10-19(16)24-21-12-6-5-11-20(21)23(18)22(17)24/h1-14H

203-11-2SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name Indeno[1,2,3-fg]naphthacene

1.2 Other means of identification

Product number -
Other names 5,6-o-Phenylenenaphthalene

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:203-11-2 SDS

203-11-2Downstream Products

203-11-2Relevant academic research and scientific papers

Benzo- And Thieno-Annulated Tetracenes: A One-Pot Synthesis via Cross-Dehydrogenative Annulation

Harada, Ai,Mishima, Daisuke,Muraoka, Masahiro,Murata, Michihisa,Togo, Masahiro

supporting information, p. 4160 - 4163 (2020/06/27)

A facile method for the direct cross-annulation of unfunctionalized tetracene is reported. The one-pot oxidative cross-dehydrogenative coupling (CDC) between tetracene and aromatic compounds, such as benzene or 2-methylthiophene, furnished annulated products with an extended π-network. Moreover, relative to the benzo-annulated tetracenes, thieno-annulated tetracenes exhibited notably improved photooxidative stability. This behavior stands in sharp contrast with that of tetracene and its derivatives, such as rubrene, which readily engage in photoinduced oxidation reactions.

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