8-Hydroxyquinaldine

Product Name: 8-Hydroxyquinaldine
CAS No.: 826-81-3
Chemical Name: 8-Hydroxyquinaldine
Synonyms: 2-Methylquinolin-8-ol;2-METHYL-8-QUINOLINOL;2-methyl-8-quinolino;2-METHYL-8-HYDROXYQUINOLINE;8-HYDROXY-2-METHYLQUINOLINE;2-METHYLOXINE;8-HydroxyquinaL;Hydroxyquinaldine;8-Hydroxyqinaldine;2-Methyl-8-hydroxy
CBNumber: CB7112580
Molecular Formula: C10H9NO
Formula Weight: 159.18
MOL File: 826-81-3.mol

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8-Hydroxyquinaldine Property

Melting point:: 71-73 °C(lit.)
Boiling point:: 267 °C(lit.)
Density: 1.1202 (rough estimate)
refractive index: 1.6070 (estimate)
Flash point:: 139°C
storage temp.: Store below +30°C.
solubility: 0.4g/l
form: Crystalline Powder
pka: pK1:5.55(＋1);pK2:10.31(0) (25°C)
color: Beige to brown
PH: 7-8 (100g/l, H2O, 20℃)(slurry)
Water Solubility: insoluble
BRN: 119194
CAS DataBase Reference: 826-81-3(CAS DataBase Reference)
NIST Chemistry Reference: 8-Quinolinol, 2-methyl-(826-81-3)
EPA Substance Registry System: 8-Quinolinol, 2-methyl- (826-81-3)

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Safety

Hazard Codes: N,Xi
Risk Statements: 50/53-36/37/38
Safety Statements: 60-61-24/25-36-26
RIDADR: UN 3077 9/PG 3
WGK Germany: 2
RTECS: VC7920000
Hazard Note: Irritant
TSCA: Yes
HazardClass: 9
PackingGroup: III
HS Code: 29334990

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P273Avoid release to the environment.

P391Collect spillage. Hazardous to the aquatic environment

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: H57602
Product name: 2-Methyl-8-quinolinol
Purity: 98%
Packaging: 100g
Price: $74.7
Updated: 2024/03/01

TCI Chemical

Product number: M0420
Product name: 2-Methyl-8-quinolinol
Purity: >98.0%(GC)(T)
Packaging: 25g
Price: $38
Updated: 2024/03/01

TCI Chemical

Product number: M0420
Product name: 2-Methyl-8-quinolinol
Purity: >98.0%(GC)(T)
Packaging: 100g
Price: $86
Updated: 2024/03/01

Alfa Aesar

Product number: L06989
Product name: 8-Hydroxy-2-methylquinoline, 98%
Packaging: 100g
Price: $46.65
Updated: 2024/03/01

Alfa Aesar

Product number: L06989
Product name: 8-Hydroxy-2-methylquinoline, 98%
Packaging: 500g
Price: $126.65
Updated: 2024/03/01

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8-Hydroxyquinaldine Chemical Properties,Usage,Production

Chemical Properties

beige to brown crystalline powder. Soluble in hot alcohol, ether and benzene, insoluble in water. Can volatilize with water vapor and sublimate at 100℃. With phenol odor.

Uses

8-Hydroxyquinaldine is mainly used as metal ion extractant and metal ion determination, also used in the synthesis of dyes and pigments and the preparation of pharmaceutical intermediates.

Preparation

8-hydroxyquinaldine is obtained from the reaction of 2-aminophenol with crotonaldehyde. Mix 2-aminophenol and 2-Nitrophenol homogeneously and add hydrochloric acid. Add crotonaldehyde under stirring. Heat for 6h and leave overnight. Distill the reacted o-nitrophenol by water distillation, and add sodium hydroxide solution to the residual solution to make it weakly basic. Then add powdered carbonyls for saturation, and distill 8-Hydroxyquinaldine by water distillation, and then distill the crude product under reduced pressure and recrystallize it with ethanol to obtain 8-hydroxyquinaldine.

Definition

ChEBI: 2-Methylquinolin-8-ol is a hydroxyquinoline.

Synthesis Reference(s)

Tetrahedron, 52, p. 2937, 1996 DOI: 10.1016/0040-4020(95)01118-8

General Description

2-Methyl-8-quinolinol is a methyl substituted quinolinol derivative that shows fungicidal property. It can also undergo complexation with transition metal complexes.

Purification Methods

Crystallise the quinoline from EtOH or aqueous EtOH. Its solubility at 20o in H2O is 0.366g/L, and in CHCl3 it is 466g/L. It complexes with many metals. [Beilstein 21 H 106, 21 III/IV 2132.]

8-Hydroxyquinaldine Preparation Products And Raw materials

Raw materials

Crotonaldehyde 2-Nitrophenol 2-Aminophenol

Preparation Products

8-Hydroxyquinoline-2-carboxaldehyde

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8-Hydroxyquinaldine Suppliers

Americas 1 Belgium 2 China 249 Czech Republic 1 Europe 2 France 2 Germany 8 India 8 Italy 1 Japan 4 Poland 1 Slovakia 1 Switzerland 3 The Netherlands 1 Ukraine 1 United Kingdom 11 United States 35 Global 331

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View Lastest Price from 8-Hydroxyquinaldine manufacturers

Hebei Weibang Biotechnology Co., Ltd

Product: 8-Hydroxyquinaldine 826-81-3
Price: US $30.00-10.00/KG
Min. Order: 50KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2024-11-05

Hebei Yanxi Chemical Co., Ltd.

Product: 8-Hydroxyquinaldine 826-81-3
Price: US $20.00-1.00/kg
Min. Order: 1kg
Purity: 0.99
Supply Ability: 10 tons
Release date: 2023-10-23

Hebei Chuanghai Biotechnology Co,.LTD

Product: 8-Hydroxyquinaldine 826-81-3
Price: US $5.00-2.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10000kg
Release date: 2024-08-23

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826-81-3

C9H5NOHCH3

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