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2,2'-Biquinoline

2,2'-Biquinoline structure

CAS No.: 119-91-5

Chemical Name:: 2,2'-Biquinoline

Synonyms: CUPROIN;CUPROINE;CUPROIN R. G.;2,2'-Quinolyl;2,2'-BiquinoL;A,A -DIQUINOLYL;2,2'-DIQUINOLYL;2,2-BIQUINOLINE;2,2'-BIQUINOLYL;α,α'-Biquinolyl

CBNumber:: CB0213789

Molecular Formula:: C18H12N2

Molecular Weight:: 256.3

MDL Number:: MFCD00006740

MOL File:: 119-91-5.mol

Last updated:2024-04-24 19:16:04

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2,2'-Biquinoline Properties

Melting point	192-195 °C(lit.)
Boiling point	389.54°C (rough estimate)
Density	0.9734 (rough estimate)
refractive index	1.6300 (estimate)
storage temp.	Keep in dark place,Sealed in dry,Room Temperature
solubility	1.02mg/l
form	Shiny Flakes
pka	2.19±0.61(Predicted)
color	Slightly yellow to light beige
Water Solubility	Sparingly soluble in water (0.001g/L).
BRN	187259
InChIKey	WPTCSQBWLUUYDV-UHFFFAOYSA-N
CAS DataBase Reference	119-91-5(CAS DataBase Reference)
FDA UNII	6RO6GA6RP3
NIST Chemistry Reference	2,2'-Biquinoline(119-91-5)
EPA Substance Registry System	2,2'-Biquinoline (119-91-5)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H335-H315-H319

Precautionary statements

P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P261-P280a-P304+P340-P305+P351+P338-P405-P501a

Hazard Codes

Risk Statements

36/37/38

Safety Statements

26-36-37/39

WGK Germany

TSCA

Yes

HS Code

29334990

NFPA 704

	1
2		0

2,2'-Biquinoline price More Price(37)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	35020	2,2′-Biquinoline for spectrophotometric det. of Cu, ≥99.0%	119-91-5	1g	$48.3	2022-05-15	Buy
Sigma-Aldrich	1.02955	2,2′-Biquinoline GR for analysis	119-91-5	5G	$1040	2022-05-15	Buy
TCI Chemical	B0470	2,2'-Biquinoline >98.0%(HPLC)(T)	119-91-5	1g	$45	2024-03-01	Buy
TCI Chemical	B0470	2,2'-Biquinoline >98.0%(HPLC)(T)	119-91-5	5g	$147	2024-03-01	Buy
Alfa Aesar	A10907	2,2'-Biquinoline, 98+%	119-91-5	1g	$38.65	2024-03-01	Buy

Product number	Packaging	Price	Buy
35020	1g	$48.3	Buy
1.02955	5G	$1040	Buy
B0470	1g	$45	Buy
B0470	5g	$147	Buy
A10907	1g	$38.65	Buy

2,2'-Biquinoline Chemical Properties,Uses,Production

Chemical Properties

SLIGHTLY YELLOW TO LIGHT BEIGE SHINY FLAKES

Uses

2,2'-Biquinoline is used as a reagent for spectrophotometric determination of Cu and as an indicator for titration of organolithium reagents, giving yellow-green charge-transfer complexes.

Application

2,2'-Biquinoline, also known as cuprous reagent, reacts with monovalent cupric ion to give a purple color. It is a highly selective reagent for the determination of cuprous. It can be utilized as a ligand in the synthesis of heteroleptic Cu(I) complexes for light-emitting diodes(LED) and cationic iridium(III) complexes as phosphorescent dyes for live-cell imaging.

Synthesis Reference(s)

Tetrahedron Letters, 15, p. 2373, 1974 DOI: 10.1016/S0040-4039(01)92259-2

General Description

2,2′-Biquinoline is a white crystalline solid and it melts at 176°C. It is insoluble in water, but is soluble in ethyl, amyl and isoamyl alcohol, isoamyl acetate, dimethylformamide, acetic acid, acetonitrile and carbon tetrachloride.

Purification Methods

Decolourise 2,2'-biquinolyl in CHCl3 solution (charcoal), then crystallise it to constant melting point from EtOH or pet ether [Cumper et al. J Chem Soc 1188 1962]. [Beilstein 23/10 V 8.]

2,2'-Biquinoline synthesis

Synthesis of 2,2'-Biquinoline from 2-Chloroquinoline

2,2'-Biquinoline Preparation Products And Raw materials

Raw materials

2,2'-Biquinoline, 1,1'-dioxide 2,2'-Biquinoline, 1-oxide 2,2'-Biquinoline, 1,1',2,2',3,3',4,4'-octahydro- 2-Bromoquinoline 2-Chloroquinoline

2-(tributylstannyl)quinoline Quinoline-N-oxide Quinoline

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Preparation Products

2-Butylquinoline 2-(2-NAPHTHYL)QUINOLINE

2,2'-Biquinoline Suppliers

Global( 296)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hebei Mojin Biotechnology Co., Ltd	+8613288715578	sales@hbmojin.com	China	12456	58
Shanghai UCHEM Inc.	+862156762820 +86-13564624040	sales@myuchem.com	China	6710	58
Henan Bao Enluo International TradeCo.，LTD	+86-17331933971 +86-17331933971	deasea125996@gmail.com	China	2503	58
Ouhuang Engineering Materials (Hubei) Co., Ltd	+8617702722807	admin@hbouhuang.com	China	2259	58
Capot Chemical Co.,Ltd.	571-85586718 +8613336195806	sales@capotchem.com	China	29797	60
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21691	55
ATK CHEMICAL COMPANY LIMITED	+undefined-21-51877795	ivan@atkchemical.com	China	32480	60
Shenzhen Nexconn Pharmatechs Ltd	+86-755-89396905 +86-15013857715	admin@nexconn.com	China	10248	58
Hubei Jusheng Technology Co.,Ltd.	18871490254	linda@hubeijusheng.com	CHINA	28180	58
Accela ChemBio Inc.	(+1)-858-699-3322	info@accelachem.com	United States	19965	58

Supplier	Advantage
Hebei Mojin Biotechnology Co., Ltd	58
Shanghai UCHEM Inc.	58
Henan Bao Enluo International TradeCo.，LTD	58
Ouhuang Engineering Materials (Hubei) Co., Ltd	58
Capot Chemical Co.,Ltd.	60
Henan Tianfu Chemical Co.,Ltd.	55
ATK CHEMICAL COMPANY LIMITED	60
Shenzhen Nexconn Pharmatechs Ltd	58
Hubei Jusheng Technology Co.,Ltd.	58
Accela ChemBio Inc.	58

View Lastest Price from 2,2'-Biquinoline manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2024-04-24	biquinoline 119-91-5	US $5.00 / kg	1kg	99.92%	50000tons	Ouhuang Engineering Materials (Hubei) Co., Ltd
2024-02-23	2,2’-biquinoline 119-91-5	US $23.00-317.00 / g	1g	0.98	25kg	Shanghai UCHEM Inc.
2023-08-18	2,2'-Biquinoline 119-91-5	US $10.00 / kg	1kg	99%	500t/month	Henan Bao Enluo International TradeCo.，LTD

biquinoline
119-91-5
US $5.00 / kg
99.92%
Ouhuang Engineering Materials (Hubei) Co., Ltd

2,2’-biquinoline
119-91-5
US $23.00-317.00 / g
0.98
Shanghai UCHEM Inc.

2,2'-Biquinoline
119-91-5
US $10.00 / kg
99%
Henan Bao Enluo International TradeCo.，LTD

2,2'-Biquinoline Spectrum

2,2'-Biquinoline(119-91-5)MS 2,2'-Biquinoline(119-91-5)¹HNMR 2,2'-Biquinoline(119-91-5)¹³CNMR 2,2'-Biquinoline(119-91-5)IR1 2,2'-Biquinoline(119-91-5)IR2 2,2'-Biquinoline(119-91-5)IR3 2,2'-Biquinoline(119-91-5)Raman

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Cuproine 2,2'-Diquinolyl 2,2'-BIQUINOLINE GR FOR ANALYSIS CUPROIN R. G. 2-2-BiquinolineGr 2,2'-Diquinolyl, 98+% 2,2’-BIQUINOLINE GR (2,2' Diquinolyl) 2,3''-BIQUINOLINE GR 2,2'-Biquinoline, 98+% A,A -DIQUINOLYL 2,2-DIQUINOLYL extrapure AR 2,2μ-Diquinolyl, Cuproin 2-Quinolin-2-ylquinoline 2,2'-Biquinoline 98% α,α'-Biquinolyl Cuproine 2,2'-Diquinolyl CUPROIN CUPROINE 2,2'-DIQUINOLYL 2,2'-BIQUINOLINE 2,2-BIQUINOLINE 2,2'-BIQUINOLYL ALPHA,ALPHA'-DIQUINOLYL 2,2'-Quinolyl TIMTEC-BB SBB008865 2,2-DIQUINOLEINE Cuproin~2,2-Diquinolyl α,α'-Biquinolyl 2,2'-Biquinoline > 2,2'-BiquinoL 2,2'-Biquinoline ISO 9001：2015 REACH 2,2'-Biquinoline, GR 99%+ 119-91-5 2,2'-Biquinoline 2,2-Biquinoline (2,2-Diquinolyl, Cuproine) extrapure AR, 99% 2,2'-BIQUINOLINE AR 2,2'-Biquinoline (6CI, 7CI, 8CI, 9CI, ACI) 2,2'-Biquinoline 119-91-5 C18H12N2 Heterocyclic Building Blocks IR/UV/ VIS Spectroscopy Reagents Quinolines Quinolinecarboxylic Acids, etc. Building Blocks Analytical Reagents Analytical Chromatography Product Catalog Quinolinecarboxylic Acids, etc. Quinolines