76670-38-7

Basic information

• Product Name: 1-Bromochrysene
• Synonyms: 1-Bromochrysene
• CAS NO: 76670-38-7
• Molecular Formula: C18H11Br
• Molecular Weight: 307.18394
• Mol File: 76670-38-7.mol

Chemical Properties

• Melting Point: 240-241℃ (benzene )
• Appearance: /
• Storage Temp.: 2-8°C
• CAS DataBase Reference: 1-Bromochrysene(CAS DataBase Reference)
• NIST Chemistry Reference: 1-Bromochrysene(76670-38-7)
• EPA Substance Registry System: 1-Bromochrysene(76670-38-7)

Safety Data

• Hazardous Substances Data: 76670-38-7(Hazardous Substances Data)

Usage

Uses

Used in Research and Development:
1-Bromochrysene is used as a research chemical for studying the effects of mutagens and carcinogens on biological systems. Its mutagenic and carcinogenic properties make it a valuable tool in understanding the mechanisms of DNA damage and tumor induction.
Used in Toxicological Studies:
In the field of toxicology, 1-Bromochrysene serves as a model compound to investigate the toxic effects of polycyclic aromatic hydrocarbons. It aids researchers in assessing the potential risks associated with exposure to similar compounds and contributes to the development of safety guidelines and regulations.
Used in Environmental Monitoring:
1-Bromochrysene may be used as an indicator compound in environmental monitoring programs, particularly in assessing the presence of hazardous substances in air, water, and soil samples. Its detection can provide insights into the levels of pollution and the potential health risks associated with exposure to these pollutants.
It is crucial to reiterate that the use of 1-Bromochrysene should be approached with extreme caution due to its toxic and carcinogenic properties. Proper safety measures, including the use of personal protective equipment and adherence to established handling protocols, must be strictly followed to minimize the risk of exposure and potential health hazards.

Upstream product

• 360575-28-6 2-bromo-6-fluorobenzaldehyde 
• 39171-65-8 bromo(naphthalen-1-ylmethyl)triphenyl-λ5-phosphane 
• 6630-33-7 ortho-bromobenzaldehyde 
• 15160-75-5 1-(α-Naphthyl)-2-(2'-bromphenyl)-ethen 
• 76670-39-8 1-bromo-2-[2-(1'-naphthyl)ethenyl]benzene 
• 63909-55-7 diethyl 2-bromobenzylphosphonate 

Relevant articles and documents

Convenient Phenacene Synthesis by Sequentially Performed Wittig Reaction and Mallory Photocyclization Using Continuous-Flow Techniques

Various phenacenes possessing chrysene, picene, and fulminene frameworks were prepared by using a continuous-flow synthetic protocol in which Wittig reaction affording diarylethenes and their Mallory photocyclization producing phenacene skeletons were sequentially performed. The Wittig reaction solution, containing the diaryl ethene obtained from an arylaldehyde and an arylmethyltriphenylphosphonium salt, was mixed with an iodine solution in the flow system and, subsequently, the solution was subjected to the photoreaction. Desired phenacenes were obtained with high to moderate chemical yield. For the present protocol, isolation of the intermediary diarylethene, which is the key precursor of the phenacene, is unnecessary. The approach provides a convenient method to supply a variety of phenacene samples, which are needed for initial systematic surveys in material science.

Tetracarboxy-Functionalized [8]-, [10]-, [12]-, and [14]Phenacenes

Mono- and diglyoxylation of chrysene and naphthalene leads to Perkin reactants that yield bismaleates, which efficiently photocyclize to elongated phenacenetetracarboxylic esters. Their band gaps remain significantly larger than the value postulated for p

Photocyclodehydrofluorination

Mallory-type photocyclization involves a series of photoreactions of stilbenes, o-terphenyls and related derivatives, which undergo intramolecular cyclization via dihydrophenanthrene intermediates. In typical Mallory photocyclizations, oxidants are usually needed to produce the final phenanthrene-containing product. In the research described here, appropriately fluorinated stilbenes and o-terphenyls undergo ring closure and HF is eliminated. This photocyclodehydrofluorination (PCDHF) reaction is very useful to produce a wide range of selectively fluorinated polynuclear aromatic hydrocarbons that possess a phenanthrene (or heterocyclic analogue of phenanthrene) substructure. These fluorinated products are of great interest in various aspects of the materials science.

Electrophilic aromatic reactivity. Part 27. Protiodetritiation of chrysene

All six monotritium-labelled chrysenes have been prepared, and their rates of protiodetritiation measured at 70°, using a mixture of trifluoroacetic acid-chloroform (9 : 1 v/v) as the exchanging medium. These lead to the following partial rate factors (positions in parentheses): 975 (1); 186 (2); 307 (3); 696 (4): 2790 (5); 12 200 (6) and the corresponding σ+ values are -0.342; -0.259; -0.284; -0.325; -0.394; -0.467. Hueckel localization energies predict a positional reactivity order, viz. 6 > 1 > 4 > 5 > 3 > 2 and reactivities relative to phenanthrene) close to that observed, only the 5-position being anomalous. Thus as in the case of helicenes, these calculations tend to underestimate the reactivity of the most central position in the molecule, though for chrysene, no localization of electrons at that point through ring distortion can be held responsible. Annelation rules, derived from hydrogen exchange data for other polycyclics, predict that the partial rate factor for the 5-position should be close to that observed. Reactivities in the terminal ring are only half that of the structural isomer benzo[c]phenanthrene (tetrahelicene) which further supports the view that distortion in the latter raises the reactivity through destabilization of the ground state. The relative reactivities of the unhindered positions in naphthalene, phenanthrene, and chrysene in acetylation are the inverse of that predicted by hydrogen exchange, and a possible reason for this is considered.