| Identification | More | [Name]
2,2'-Biquinoline | [CAS]
119-91-5 | [Synonyms]
2,2'-BIQUINOLINE
2,2-BIQUINOLINE
2,2'-BIQUINOLYL
2,2'-DIQUINOLYL
ALPHA,ALPHA'-DIQUINOLYL
CUPROIN
CUPROINE
TIMTEC-BB SBB008865
2,2'-Quinolyl
α,α'-Biquinolyl
2,2-DIQUINOLEINE
Cuproin~2,2-Diquinolyl
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 | [EINECS(EC#)]
204-357-5 | [Molecular Formula]
C18H12N2 | [MDL Number]
MFCD00006740 | [Molecular Weight]
256.3 | [MOL File]
119-91-5.mol |
| Chemical Properties | Back Directory | [Appearance]
SLIGHTLY YELLOW TO LIGHT BEIGE SHINY FLAKES | [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) | [NIST Chemistry Reference]
| [EPA Substance Registry System]
119-91-5(EPA Substance) |
| Safety Data | Back Directory | [Hazard Codes ]
Xi | [Risk Statements ]
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection . | [WGK Germany ]
3
| [F ]
8 | [TSCA ]
Yes | [HS Code ]
29334990 |
| Hazard Information | Back Directory | [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.] |
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