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2,4-Quinolinediol

2,4-Quinolinediol Structure
2,4-Quinolinediol structure
CAS No.
86-95-3
Chemical Name:
2,4-Quinolinediol
Synonyms
QUINOLINE-2,4-DIOL;4-HYDROXYQUINOLIN-2(1H)-ONE;4-HYDROXY-2(1H)-QUINOLINONE;4-hydroxy-2-quinolone;2,4-DIHYDROXYQUINOLINE;4-hydroxy-2-quinolinone;NSC 12465;ine-2,4-dioL;2,4-Quinolinediol;Chinolin-2,4-diol
CBNumber:
CB5368475
Molecular Formula:
C9H7NO2
Molecular Weight:
161.16
MDL Number:
MFCD00006744
MOL File:
86-95-3.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 01:48:35
Product description Number Pack Size Price
2,4-Quinolinediol 97% Q1336 10g $60.6
2,4-Dihydroxyquinoline >97.0%(GC)(T) D1753 25g $34
2,4-Dihydroxyquinoline >97.0%(GC)(T) D1753 500g $339
2,4-Dihydroxyquinoline ≥97%(GC) 43967 25G $33.45
2,4-Dihydroxyquinoline ≥97%(GC) 43967 500G $379.27
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2,4-Quinolinediol Properties

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)
InChIKey HDHQZCHIXUUSMK-UHFFFAOYSA-N
SMILES N1C2=C(C=CC=C2)C(O)=CC1=O
LogP 1.020 (est)
CAS DataBase Reference 86-95-3(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII N58HX8G9CN
NIST Chemistry Reference 2,4-Quinolinediol (mainly keto form)(86-95-3)
EPA Substance Registry System 2(1H)-Quinolinone, 4-hydroxy- (86-95-3)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
target organs Respiratory system
PPE dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-37/39
WGK Germany  3
RTECS  FG7300000
TSCA  TSCA listed
HazardClass  IRRITANT
HS Code  29334900
Storage Class 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
REACH Registrations Active
NFPA 704
1
2 0

2,4-Quinolinediol price More Price(65)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich Q1336 2,4-Quinolinediol 97% 86-95-3 10g $60.6 2026-04-30 Buy
TCI Chemical D1753 2,4-Dihydroxyquinoline >97.0%(GC)(T) 86-95-3 25g $34 2026-04-30 Buy
TCI Chemical D1753 2,4-Dihydroxyquinoline >97.0%(GC)(T) 86-95-3 500g $339 2026-04-30 Buy
Chem-Impex 43967 2,4-Dihydroxyquinoline ≥97%(GC) 86-95-3 25G $33.45 2026-05-19 Buy
Chem-Impex 43967 2,4-Dihydroxyquinoline ≥97%(GC) 86-95-3 500G $379.27 2026-05-19 Buy
Product number Packaging Price Buy
Q1336 10g $60.6 Buy
D1753 25g $34 Buy
D1753 500g $339 Buy
43967 25G $33.45 Buy
43967 500G $379.27 Buy

2,4-Quinolinediol Chemical Properties,Uses,Production

Chemical Properties

very light brown powder

Uses

2,4-Quinolinediol is a coupling component of yellow azo dyes, also used as pharmaceutical intermediates.

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].

Definition

ChEBI: A heteroaryl hydroxy compound that is 2-quinolone substituted at position 4 by a hydroxy group.

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.

2,4-Quinolinediol Preparation Products And Raw materials

Raw materials

Preparation Products

4-BROMOQUINOLIN-2(1H)-ONE sodium [5-chloro-2-hydroxy-3-[(1,2,3,4-tetrahydro-2,4-dioxoquinolin-3-yl)azo]benzene-1-sulphonato(3-)]hydroxychromate(1-) DISPERSE YELLOW 56 Chromium, [3-[[2,3-dihydro-4-hydroxy-2-(oxo-κO)-3-quinolinyl]azo-κN1]-N,N-diethyl-4-(hydroxy-κO)benzenesulfonamidato(3-)]- Chromate, hydroxy[4-hydroxy-3-nitro-5-[(1,2,3,4-tetrahydro-2,4-dioxo-3-quinolinyl)azo]benzenesulfonato]-, sodium
Benzenesulfonic acid, 2-[(1,2-dihydro-4-hydroxy-2-oxo-3-quinolinyl)azo]-5-[(4-sulfophenyl)azo]-, disodium salt Solvent Yellow 18 C.I. Acid black 70

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2,4-Quinolinediol Suppliers

Global( 341)Suppliers
Supplier Tel Email Country ProdList Advantage
changzhou huayang technology co., ltd
+8615250961469 2571773637@qq.com China 9653 58
Milestone Chemical Wuxi Co.,Ltd
18068271528 sales@milestonechem.com China 9 58
Hebei Chuanghai Biotechnology Co,.LTD 		+86-86-13131129325 +8613131129325 sales1@chuanghaibio.com China 5231 58
Firsky International Trade (Wuhan) Co., Ltd 		+8615387054039 admin@firsky-cn.com China 427 58
Henan Fengda Chemical Co., Ltd 		+86-371-86557731 +86-13613820652 info@fdachem.com China 20122 58
Capot Chemical Co.,Ltd. 		+8613336195806 sales@capot.com China 29640 60
Beijing Cooperate Pharmaceutical Co.,Ltd 		010-60279497 sales01@cooperate-pharm.com CHINA 1803 55
Henan Tianfu Chemical Co.,Ltd. 		+86-0371-55170693 +86-19937530512 info@tianfuchem.com China 21587 55
Speranza Chemical Co., Ltd. 		+86-86-075521030354 +8618688942810 sophieliu@speranzachem.com China 923 55
career henan chemical co 		+86-0371-86658258 +8613203830695 sales@coreychem.com China 29815 58
Supplier Advantage
changzhou huayang technology co., ltd
58
Milestone Chemical Wuxi Co.,Ltd
58
Hebei Chuanghai Biotechnology Co,.LTD 		58
Firsky International Trade (Wuhan) Co., Ltd 		58
Henan Fengda Chemical Co., Ltd 		58
Capot Chemical Co.,Ltd. 		60
Beijing Cooperate Pharmaceutical Co.,Ltd 		55
Henan Tianfu Chemical Co.,Ltd. 		55
Speranza Chemical Co., Ltd. 		55
career henan chemical co 		58

View Lastest Price from 2,4-Quinolinediol manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
2,4-Quinolinediol pictures 2026-05-28 2,4-Quinolinediol
86-95-3
 $2.00-5.00 1KG 99% 10000kg Hebei Chuanghai Biotechnology Co,.LTD
2,4-Quinolinediol pictures 2025-12-01 2,4-Quinolinediol
86-95-3
 1kg 99% 10000KGS Shaanxi Dideu New Materials Co. Ltd
2,4-Quinolinediol pictures 2025-11-18 2,4-Quinolinediol
86-95-3
 $1.10 1g 99.00% 100 Tons Dideu Industries Group Limited

2,4-Quinolinediol Spectrum

2,4-Quinolinediol(86-95-3)MS2,4-Quinolinediol(86-95-3)1HNMR2,4-Quinolinediol(86-95-3)13CNMR2,4-Quinolinediol(86-95-3)IR12,4-Quinolinediol(86-95-3)IR2

86-95-3(2,4-Quinolinediol)Related Search:

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4-HYDROXYCARBOSTYRIL 4-HYDROXYQUINOLIN-2(1H)-ONE 4-HYDROXY-2(1H)-QUINOLINONE 4-HYDROXY-2(1H)-QUINOLONE 2-acetamido-2-heptylpropanedioic acid diethyl ester 2.4-Quinolinediol 100MG 2(1H)-QUINOLINONE, 4-HYDROXY 4-hydroxy-2(1h)-quinolinon 4-hydroxy-carbostyri Dihydroxyquinoline,97% 2,4-Didydroxy-Quinoline 2,4-Dihydroxyquinoline98% hydroxycarbostyril 2,4-Quinolinediol 4-Hydroxy-2-quinolinone 2,4-Dihydroxyquinoline 4-hydroxyquinolin-2(1H)-one(SALTDATA: FREE) 4-Dihydroxyquinoline 2,4-Quinolinediol, 97% 10GR 2,4-Quinolinediol,97% 2,4-Quinolinediol 4-Hydroxy-2-quinolinone 2,4-Dihydroxyquinoline, 2,4-Dihydroxy-1-azanaphthalene, 4-Hydroxyquinolin-2(1H)-one 2,4-Dihydroxyquinoline,97% 2,4-Quinolinediol 97% 2-hydroxy-1H-quinolin-4-one 2-hydroxy-4-quinolone Carbostyril, 4-hydroxy- 2,4-QUINOLINEdiol:QUINOLINE-2,4-diol: 4-hydroxycarbostyril NSC 12465 ine-2,4-dioL 4-hydroxy-1,2-dihydroquinolin-2-one 2,4-Quinolinediol ISO 9001：2015 REACH 2,4-dihyroxyquinoline 2,4-dihydroxy quinpline Chinolin-2,4-diol 2,4-DIHYDROXYQUINOLINE QUINOLINE-2,4-DIOL 4-hydroxy-2-quinolinone 4-hydroxy-2-quinolone 86-95-3 Heterocyclic Building Blocks Building Blocks Hydroxyquinolines Quinolines Hydroxyquinolines Quinoline Quinolines, Quinazolines and derivatives Quinolines API intermediates Quinoline series