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Dibenzo[e,ghi]perylene is a polycyclic aromatic hydrocarbon (PAH) consisting of six fused benzene rings, with the molecular formula C22H12. It is a significant environmental pollutant and a known carcinogen, classified as a Group 1 carcinogen by the International Agency for Research on Cancer (IARC). This chemical is formed during the incomplete combustion of organic materials, such as coal, wood, and fossil fuels, and is commonly found in air, water, and soil. Due to its persistence, bioaccumulation, and toxicity, dibenzo[e,ghi]perylene poses a risk to both human health and the environment, with potential effects including respiratory issues, skin irritation, and an increased risk of cancer.

190-95-4

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190-95-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 190-95-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,9 and 0 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 190-95:
(5*1)+(4*9)+(3*0)+(2*9)+(1*5)=64
64 % 10 = 4
So 190-95-4 is a valid CAS Registry Number.
InChI:InChI=1/C26H14/c1-2-7-18-17(6-1)19-9-4-10-21-20-8-3-5-15-11-12-16-13-14-22(18)26(25(19)21)24(16)23(15)20/h1-14H

190-95-4SDS

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 Dibenzo[b,pqr]perylene

1.2 Other means of identification

Product number -
Other names Dibenzo<e,ghi>perylen

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:190-95-4 SDS

190-95-4Downstream Products

190-95-4Relevant academic research and scientific papers

Thermal cyclodehydrogenations to form 6-membered rings: Cyclizations of [5]helicenes

Xiang, Xue,Scott, Lawrence T.

, p. 3937 - 3940 (2008/02/11)

Flash vacuum pyrolysis (FVP) of [5]helicene induces a thermal cyclodehydrogenation to form benzo[ghi]perylene. Evidence is presented that supports an electrocyclization-rearomatization mechanism and is inconsistent with mechanistic alternatives involving the intermediacy of aryl radicals or carbenes in the helicene fjord region.

Partitioning of Charge in Dibenzochrysene: The Role of the System's Topology

Zelikovich, Lior,Hoffman, Roy E.,Ayalon , Ari,Rabinovitz, Mordecai

, p. 1785 - 1792 (2007/10/02)

Dibenzochrysene dianion (32-) shows in its NMR spectrum a partitioning of charge.In the dianion most of the charge is located on the 'anthracene' moiety.These observations have been confirmed by MNDO calculations.In the calculations, the l

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