2,4-Quinolinediol
Synonym(s):2,4-Dihydroxyquinoline
- CAS NO.:86-95-3
- Empirical Formula: C9H7NO2
- Molecular Weight: 161.16
- MDL number: MFCD00006744
- EINECS: 201-711-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-08-22 14:21:17
What is 2,4-Quinolinediol?
Chemical properties
very light brown powder
The Uses of 2,4-Quinolinediol
2,4-Quinolinediol is a coupling component of yellow azo dyes, also used as pharmaceutical intermediates.
Definition
ChEBI: A heteroaryl hydroxy compound that is 2-quinolone substituted at position 4 by a hydroxy group.
What are the applications of Application
Researchers have found that the hetarylazoquinoline dyes were prepared by coupling 2,4-quinolinediol with diazotised heterocyclic amines in nitrosylsulphuric acid. In addition, the crude enzyme preparation effectively promotes the reaction between 4-hydroxy-1-methyl-2-quinolinone and 2,4-quinolinediol to afford the corresponding benzofuroquinolinones in satisfactory yields[1-2].
References
[1] Sener, I. , et al. "Synthesis and investigations of the absorption spectra of hetarylazo disperse dyes derived from 2,4-quinolinediol." DYES AND PIGMENTS (2006).
[2] Angeleska, Simona , P. Kefalas , and A. Detsi . "Crude peroxidase from onion solid waste as a tool for organic synthesis. Part III: synthesis of tetracyclic heterocycles (coumestans and benzofuroquinolinones)." Tetrahedron Letters 54.19(2013):2325-2328.
Properties of 2,4-Quinolinediol
Melting point: | >300 °C(lit.) |
Boiling point: | 287.44°C (rough estimate) |
Density | 1.2480 (rough estimate) |
refractive index | 1.5050 (estimate) |
storage temp. | Inert atmosphere,Room Temperature |
solubility | Aqueous Base (Slightly), DMSO (Slightly) |
pka | 4.50±1.00(Predicted) |
form | Powder |
color | Very light brown |
Water Solubility | Insoluble in water |
BRN | 129767 |
InChI | InChI=1S/C9H7NO2/c11-8-5-9(12)10-7-4-2-1-3-6(7)8/h1-5H,(H2,10,11,12) |
CAS DataBase Reference | 86-95-3(CAS DataBase Reference) |
NIST Chemistry Reference | 2,4-Quinolinediol (mainly keto form)(86-95-3) |
EPA Substance Registry System | 2(1H)-Quinolinone, 4-hydroxy- (86-95-3) |
Safety information for 2,4-Quinolinediol
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 2,4-Quinolinediol
InChIKey | HDHQZCHIXUUSMK-UHFFFAOYSA-N |
SMILES | N1C2=C(C=CC=C2)C(O)=CC1=O |
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