ChemicalBook > CAS DataBase List > DIBENZO(F H)QUINOXALINE

DIBENZO(F H)QUINOXALINE

Product Name: DIBENZO(F H)QUINOXALINE
CAS No.: 217-68-5
Chemical Name: DIBENZO(F H)QUINOXALINE
Synonyms: NSC 74769;5,6:7,8-Dibenzoquinoxaline;phenanthro[9,10-b]pyrazine;1,4-diazatriphenylene Dibenzo(f,h)quinoxaline
CBNumber: CB8498575
Molecular Formula: C16H10N2
Formula Weight: 230.26
MOL File: 217-68-5.mol

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DIBENZO(F H)QUINOXALINE Property

Melting point:: 180℃
Boiling point:: 454.4±18.0 °C(Predicted)
Density: 1.291±0.06 g/cm3 (20 ºC 760 Torr)
storage temp.: Sealed in dry,Room Temperature
pka: 0.59±0.30(Predicted)
Appearance: Light brown to brown Solid

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-36
WGK Germany: 3

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory 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.

P321Specific treatment (see … on this label).

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

P362Take off contaminated clothing and wash before reuse.

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N-Bromosuccinimide Price

American Custom Chemicals Corporation

Product number: CHM0392026
Product name: DIBENZO[F,H]QUINOXALINE
Purity: 95.00%
Packaging: 5MG
Price: $497.16
Updated: 2021/12/16

Crysdot

Product number: CD43000551
Product name: Dibenzo[f,h]quinoxaline
Purity: 95+%
Packaging: 25g
Price: $683
Updated: 2021/12/16

Arctom

Product number: AS017229
Product name: Dibenzo[f,h]quinoxaline
Purity: ≥99%
Packaging: 25g
Price: $731
Updated: 2021/12/16

Ambeed

Product number: A256887
Product name: Dibenzo[f,h]quinoxaline
Purity: 99+%
Packaging: 250mg
Price: $37
Updated: 2021/12/16

Arctom

Product number: AS017229
Product name: Dibenzo[f,h]quinoxaline
Purity: ≥99%
Packaging: 250mg
Price: $44
Updated: 2021/12/16

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DIBENZO(F H)QUINOXALINE Chemical Properties,Usage,Production

Chemical Properties

light yellow powder

Synthesis

107-15-3

84-11-7

217-68-5

Under nitrogen protection, 18.6 g (0.31 mol) of ethylenediamine was dissolved with 55.0 g (0.26 mol) of 9,10-phenanthrenequinone in 1000 mL of toluene to form a red suspension. A manifold was installed and the reaction mixture was heated to reflux for 24 hours. Upon completion of the reaction, 50.0 g of manganese dioxide was added to the resulting brown suspension, and heating and refluxing was continued until thin layer chromatography (TLC) detection showed complete disappearance of the intermediate. The reaction mixture was filtered while hot and the solid residue was washed with 200 mL of toluene. The filtrates were combined and concentrated under reduced pressure, and the resulting solid was dried under vacuum to give 58.0 g of dibenzo[f,h]quinoxaline as a pale yellow solid in 97% yield.

References

[1] Patent: CN101970448, 2016, B. Location in patent: Paragraph 0381; 0382
[2] Recueil des Travaux Chimiques des Pays-Bas-Journal of the Royal Netherlands, 1996, vol. 115, # 5, p. 275 - 285
[3] Chemische Berichte, 1886, vol. 19, p. 112
[4] Chemische Berichte, 1887, vol. 20, p. 268
[5] Journal of the Chemical Society, 1889, vol. 55, p. 98

DIBENZO(F H)QUINOXALINE Preparation Products And Raw materials

Raw materials

Preparation Products

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217-68-5, DIBENZO(F H)QUINOXALINERelated Search:

phenanthro[9,10-b]pyrazine

5,6:7,8-Dibenzoquinoxaline

NSC 74769

1,4-diazatriphenylene Dibenzo(f,h)quinoxaline

217-68-5