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2-nitronaphtho(2,1-b)furan, also known as NNF, is an aromatic compound with the chemical formula C11H5NO3. It is a nitro-substituted derivative of naphthofuran, characterized by its yellow to brown solid appearance and strong odor. Classified as a potential carcinogen and mutagen, NNF is considered hazardous if ingested, inhaled, or in contact with skin. This chemical is produced by the nitration of naphtho(2,1-b)furan and is commonly used as a precursor in the synthesis of various organic compounds, including dyes and pigments.

69267-51-2

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69267-51-2 Usage

Uses

Used in Chemical Synthesis:
2-nitronaphtho(2,1-b)furan is used as a precursor in the chemical synthesis of various organic compounds. Its unique structure and reactivity make it a valuable intermediate for the production of dyes, pigments, and other specialty chemicals.
Used in Dye and Pigment Manufacturing:
In the dye and pigment industry, 2-nitronaphtho(2,1-b)furan is used as a key intermediate for the production of a wide range of colorants. Its ability to form stable chromophores contributes to the development of dyes and pigments with desirable properties, such as color intensity, stability, and resistance to fading.
It is important to handle 2-nitronaphtho(2,1-b)furan with caution and follow safety guidelines when working with this chemical to minimize potential health risks and environmental impact.

Check Digit Verification of cas no

The CAS Registry Mumber 69267-51-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,2,6 and 7 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 69267-51:
(7*6)+(6*9)+(5*2)+(4*6)+(3*7)+(2*5)+(1*1)=162
162 % 10 = 2
So 69267-51-2 is a valid CAS Registry Number.
InChI:InChI=1/C12H7NO3/c14-13(15)12-7-10-9-4-2-1-3-8(9)5-6-11(10)16-12/h1-7H

69267-51-2SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-nitrobenzo[e][1]benzofuran

1.2 Other means of identification

Product number -
Other names nitro-2 naphto<2,1-b>furanne

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:69267-51-2 SDS

69267-51-2Downstream Products

69267-51-2Relevant academic research and scientific papers

Palladium(0)-Catalyzed Dearomatization of 2-Nitrobenzofurans through Formal (3+2) Cycloadditions with Vinylcyclopropanes: A Straightforward Access to Cyclopenta[ b ]benzofurans

Ling, Johanne,Laugeois, Maxime,Michelet, Véronique,Ratovelomanana-Vidal, Virginie,Vitale, Maxime R.

supporting information, p. 928 - 932 (2018/02/14)

In the context of the palladium-catalyzed dearomatization of electron-poor arenes, we report herein that various 2-nitrobenzofurans efficiently undergo a dearomative (3+2) cycloaddition with vinylcyclopropanes. This new method gives access to a wide variety of cyclo-penta[ b ]benzofuran derivatives in a straightforward manner.

Potassium trinitromethanide as a 1,1-ambiphilic synthon equivalent: Access to 2-nitroarenofurans

Osyanin, Vitaly A.,Osipov, Dmitry V.,Demidov, Maxim R.,Klimochkin, Yuri N.

, p. 1192 - 1198 (2014/03/21)

The first example of the use of potassium trinitromethanide as a 1,1-ambiphilic synthon equivalent for the construction of a benzofuran moiety mediated by triethylamine has been developed. The method tolerates a variety of functional groups on the starting quaternary ammonium salt and has been successfully extended to polysubstituted benzofurans. Formation of an o-quinone methide intermediate is postulated as a key to the mechanism of this cascade process.

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