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2-Hydroxyquinoline-4-carboxylic acid

2-Hydroxyquinoline-4-carboxylic acid Structure
2-Hydroxyquinoline-4-carboxylic acid structure
CAS No.
84906-81-0
Chemical Name:
2-Hydroxyquinoline-4-carboxylic acid
Synonyms
AKOS AUF0188;RARECHEM AQ NN 0221;IFLAB-BB F1918-0080;4-Carboxy-2-hydroxyquinoline;2-Hydroxyquinoline-4-carboxylic acid;2-oxo-1~{H}-quinoline-4-carboxylic acid;4-Quinolinecarboxylicacid,2-hydroxy-(9CI);1,2-DIHYDRO-2-OXOQUINOLINE-4-CARBOXYLIC ACID;2-HYDROXYQUINOLINE-4-CARBOXYLIC ACID USP/EP/BP;2-[(triphenylmethyl)thio]acetic acid methyl ester
CBNumber:
CB6132468
Molecular Formula:
C10H7NO3
Molecular Weight:
189.17
MDL Number:
MFCD00023942
MOL File:
84906-81-0.mol
MSDS File:
SDS
Last updated:2026-09-12 18:53:48
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2-Hydroxyquinoline-4-carboxylic acid Properties

Melting point >300 °C
Boiling point 473.6±30.0 °C(Predicted)
Density 1.480±0.06 g/cm3(Predicted)
storage temp. 2-8°C
form solid
pka 2.69±0.10(Predicted)
Appearance Light green to green Solid
InChI InChI=1S/C10H7NO3/c12-9-5-7(10(13)14)6-3-1-2-4-8(6)11-9/h1-5H,(H,11,12)(H,13,14)
InChIKey MFSHNFBQNVGXJX-UHFFFAOYSA-N
SMILES N1C2C(=CC=CC=2)C(C(O)=O)=CC=1O
CAS DataBase Reference 84906-81-0(CAS DataBase Reference)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302
Precautionary statements  P280-P305+P351+P338
PPE dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes  Xn
Risk Statements  22
WGK Germany  3
Storage Class 11 - Combustible Solids
Hazard Classifications Acute Tox. 4 Oral

2-Hydroxyquinoline-4-carboxylic acid price More Price(23)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 674869 2-Hydroxyquinoline-4-carboxylic acid 97% 84906-81-0 10g $113 2026-04-30 Buy
Synthonix H39636 2-Hydroxyquinoline-4-carboxylic acid 97% 84906-81-0 1g $20 2026-05-06 Buy
Synthonix H39636 2-Hydroxyquinoline-4-carboxylic acid 97% 84906-81-0 5g $25 2026-05-06 Buy
Synthonix H39636 2-Hydroxyquinoline-4-carboxylic acid 97% 84906-81-0 10g $38 2026-05-06 Buy
Synthonix H39636 2-Hydroxyquinoline-4-carboxylic acid 97% 84906-81-0 25g $40 2026-05-06 Buy
Product number Packaging Price Buy
674869 10g $113 Buy
H39636 1g $20 Buy
H39636 5g $25 Buy
H39636 10g $38 Buy
H39636 25g $40 Buy

2-Hydroxyquinoline-4-carboxylic acid Chemical Properties, Uses, Production

Uses

2-Hydroxyquinoline-4-carboxylic Acid is used in radiolysis of carboxyquinolines and chemiluminescent reaction of dihydroquinoline products with bases in presence of oxygen.

Definition

ChEBI: 2-oxo-1,2-dihydroquinoline-4-carboxylic acid is a quinolinemonocarboxylic acid. It is a conjugate acid of a 2-oxo-1,2-dihydroquinoline-4-carboxylate.

2-Hydroxyquinoline-4-carboxylic acid Preparation Products And Raw materials

Raw materials

Preparation Products

2-Hydroxyquinoline-4-carboxylic acid Suppliers

Global Suppliers ( 131)
Supplier Tel Email Country ProdList Advantage
Jiangxi Jingyang Chemical Products Co., LTD 0798-15170312128 15170312128 1436027029@qq.com China 16 58
SHENZHEN REISCH BIOTECH CO., LTD 0755-0755-28609002 15112530219 1179151648@qq.com China 236 58
Nanbu County Chengxin Technology Co., Ltd. 0838-5675166 15883665058 nbcxkj@126.com China 956 55
Capot Chemical Co., Ltd +86 (0) 571 85 58 67 18 China 18187 66
JinYan Chemicals(ShangHai) Co.,Ltd. 13817811078 sales@jingyan-chemical.com China 9963 60
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Chengdu Forest Science and Technology Development Co., Ltd. 18030648795 18030648795 sales@cdforestchem.com China 1997 58
Bide Pharmatech Ltd. 400-164-7117 18317119277 product02@bidepharm.com China 40000 60
Changzhou Qinuo Chemical Co., Ltd.Co., Ltd. 0519-0519-83812535 sales@qinuochem.com China 287 60
Sigma-Aldrich 021-61415566 800-8193336 orderCN@merckgroup.com China 51389 80
Supplier Advantage
Jiangxi Jingyang Chemical Products Co., LTD 58
SHENZHEN REISCH BIOTECH CO., LTD 58
Nanbu County Chengxin Technology Co., Ltd. 55
Capot Chemical Co., Ltd 66
JinYan Chemicals(ShangHai) Co.,Ltd. 60
Shanghai Hanhong Scientific Co.,Ltd. 64
Chengdu Forest Science and Technology Development Co., Ltd. 58
Bide Pharmatech Ltd. 60
Changzhou Qinuo Chemical Co., Ltd.Co., Ltd. 60
Sigma-Aldrich 80

View Latest Price from 2-Hydroxyquinoline-4-carboxylic acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
2-HYDROXYQUINOLINE-4-CARBOXYLIC ACID pictures 2026-09-02 2-HYDROXYQUINOLINE-4-CARBOXYLIC ACID
84906-81-0
 $1.50-31.00 1kg 99% Henan Fengda Chemical Co., Ltd
2-HYDROXYQUINOLINE-4-CARBOXYLIC ACID pictures 2025-06-27 2-HYDROXYQUINOLINE-4-CARBOXYLIC ACID
84906-81-0
 1KG 99% 500000kg Hebei Chuanghai Biotechnology Co., Ltd
2-HYDROXYQUINOLINE-4-CARBOXYLIC ACID pictures 2021-07-13 2-HYDROXYQUINOLINE-4-CARBOXYLIC ACID
84906-81-0
 $10.00-15.00 1KG 99%+ HPLC Zhuozhou Wenxi import and Export Co., Ltd

2-Hydroxyquinoline-4-carboxylic acid Spectrum

2-HYDROXYQUINOLINE-4-CARBOXYLIC ACID(84906-81-0)1HNMR

84906-81-0 (2-Hydroxyquinoline-4-carboxylic acid) Related Search:

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IFLAB-BB F1918-0080 1,2-DIHYDRO-2-OXOQUINOLINE-4-CARBOXYLIC ACID AKOS AUF0188 RARECHEM AQ NN 0221 4-Quinolinecarboxylicacid,2-hydroxy-(9CI) 4-Carboxy-2-hydroxyquinoline 2-oxo-1~{H}-quinoline-4-carboxylic acid 2-[(triphenylmethyl)thio]acetic acid methyl ester 2-HYDROXYQUINOLINE-4-CARBOXYLIC ACID USP/EP/BP 2-Hydroxyquinoline-4-carboxylic acid 84906-81-0 15733-89-9 84906-81-6 Heterocyclic Building Blocks Building Blocks Quinolines Hydroxyquinolines QUINOLINE Aromatic Cinnamic Acids, Esters and Derivatives Quinoline&Isoquinoline Building Blocks Heterocyclic Building Blocks Quinolines