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2,3-Diphenylquinoxaline

2,3-Diphenylquinoxaline structure

CAS No.: 1684-14-6

Chemical Name:: 2,3-Diphenylquinoxaline

Synonyms: NSC 15232;diphenylquinoxaline;2,3-Diphenylquinoxaline;Quinoxaline,2,3-diphenyl-;2 3-DIPHENYLQUINOXALINE 97%;2,3-Diphenyl-1,4-quinoxaline;2,3-Diphenyl-1,4-benzodiazine;2,3-Diphenylquinoxaline, 98+%;2,3-Diphenylquinoxaline, 99+%

CBNumber:: CB6102267

Molecular Formula:: C20H14N2

Molecular Weight:: 282.34

MDL Number:: MFCD00014659

MOL File:: 1684-14-6.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-09-12 18:53:44

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2,3-Diphenylquinoxaline Properties

Melting point	125-128 °C
Boiling point	414.95°C (rough estimate)
Density	1.0564 (rough estimate)
refractive index	1.6450 (estimate)
storage temp.	Sealed in dry,Room Temperature
Water Solubility	Insoluble in water
form	powder to crystal
pka	-0.06±0.48(Predicted)
color	White to Light yellow to Light orange
BRN	209272
Stability	Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference	1684-14-6(CAS DataBase Reference)
FDA UNII	5MJ74FC4Q6

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319

Precautionary statements

P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313

Hazard Codes

Risk Statements

36/37/38

Safety Statements

24/25-37/39-26

HS Code

29339900

NFPA 704


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2,3-Diphenylquinoxaline price More Price(35)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	D2442	2,3-Diphenylquinoxaline	1684-14-6	25g	$138	2026-04-30	Buy
Biosynth	FD70635	2,3-Diphenylquinoxaline	1684-14-6	50g	$150	2026-06-04	Buy
Biosynth	FD70635	2,3-Diphenylquinoxaline	1684-14-6	100g	$150	2026-06-04	Buy
Biosynth	FD70635	2,3-Diphenylquinoxaline	1684-14-6	250g	$227.5	2026-06-04	Buy
Biosynth	FD70635	2,3-Diphenylquinoxaline	1684-14-6	500g	$725	2026-06-04	Buy

Product number	Packaging	Price	Buy
D2442	25g	$138	Buy
FD70635	50g	$150	Buy
FD70635	100g	$150	Buy
FD70635	250g	$227.5	Buy
FD70635	500g	$725	Buy

2,3-Diphenylquinoxaline Chemical Properties, Uses, Production

Chemical Properties

light beige or grey solid

Synthesis Reference(s)

Tetrahedron Letters, 17, p. 2347, 1976 DOI: 10.1016/S0040-4039(00)78773-9

2,3-Diphenylquinoxaline synthesis

Synthesis of 2,3-Diphenylquinoxaline from o-Phenylenediamine and Diphenylacetylene

2,3-Diphenylquinoxaline Preparation Products And Raw materials

Raw materials

Quinoxaline, 1,2-dihydro-2,3-diphenyl- Diphenylpropynone Diphenylacetylene 2-Phenylacetophenone 2-Nitroaniline

Benzoin o-Phenylenediamine

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Preparation Products

2,3-Diphenylquinoxaline Suppliers

Global Suppliers ( 129)

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Beijing HwrkChemical Technology Co., Ltd	89508211 18501085097	sales.bj@hwrkchemical.com	China	9407	55
Adamas Reagent, Ltd.	400-6009262 15618770481	yhx@titansci.com	China	14098	59
Shanghai Longsheng chemical Co.,Ltd.	58099637 13585536065	sales@shlschem.com	China	9880	59
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
China DongFan Chemical Co.,LTD	86-0571-85151182		China	5681	66
Shandong Xiya Chemical Co., Ltd	13355009207 13355009207	3007715519@qq.com	China	18722	57
Maya High Purity Chemicals	+86 (573) 82222445 (0)18006601000 452520369	sales@maya-r.com	China	11693	57

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Alfa Aesar	84
TCI (Shanghai) Development Co., Ltd.	81
Beijing HwrkChemical Technology Co., Ltd	55
Adamas Reagent, Ltd.	59
Shanghai Longsheng chemical Co.,Ltd.	59
Shanghai Hanhong Scientific Co.,Ltd.	64
China DongFan Chemical Co.,LTD	66
Shandong Xiya Chemical Co., Ltd	57
Maya High Purity Chemicals	57

View Latest Price from 2,3-Diphenylquinoxaline manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2026-09-02	diphenylquinoxaline 1684-14-6	$1.00-188.00	1KG	99%, 99.5% Sublimated		Henan Fengda Chemical Co., Ltd
	2019-12-23	2,3-DIPHENYLQUINOXALINE 1684-14-6	$9.80	1g	≥99%	100kg	Career Henan Chemical Co

diphenylquinoxaline
1684-14-6
$1.00-188.00
99%, 99.5% Sublimated
Henan Fengda Chemical Co., Ltd

2,3-DIPHENYLQUINOXALINE
1684-14-6
$9.80
≥99%
Career Henan Chemical Co

2,3-Diphenylquinoxaline Spectrum

2,3-DIPHENYLQUINOXALINE(1684-14-6)MS 2,3-DIPHENYLQUINOXALINE(1684-14-6)¹HNMR 2,3-DIPHENYLQUINOXALINE(1684-14-6)¹³CNMR 2,3-DIPHENYLQUINOXALINE(1684-14-6)IR1 2,3-DIPHENYLQUINOXALINE(1684-14-6)IR2

1684-14-6 (2,3-Diphenylquinoxaline) Related Search:

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2 3-DIPHENYLQUINOXALINE 97% 2,3-Diphenylquinoxaline, 99+% 2,3-Diphenylquinoxaline, 98+% 2,3-Diphenyl-1,4-quinoxaline 2,3-Diphenyl-1,4-benzodiazine NSC 15232 Quinoxaline,2,3-diphenyl- diphenylquinoxaline 2,3-Diphenylquinoxaline 1684-14-6 C20H14N2 Building Blocks Heterocyclic Building Blocks Quinoxalines Building Blocks Heterocyclic Building Blocks Quinoxalines Heterocycles