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8-Hydroxyquinaldine

8-Hydroxyquinaldine Structure
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
Molecular Weight:
159.18
MOL File:
826-81-3.mol
MSDS File:
SDS
Modify Date:
2023/10/23 17:13:05

8-Hydroxyquinaldine Properties

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
pka pK1:5.55(+1);pK2:10.31(0) (25°C)
form Crystalline Powder
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)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS09
Signal word  Warning
Hazard statements  H410
Precautionary statements  P273-P391-P501
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
NFPA 704
1
1 0

8-Hydroxyquinaldine price More Price(6)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) H57602 2-Methyl-8-quinolinol 98% 826-81-3 100G ₹4827.95 2022-06-14 Buy
TCI Chemicals (India) M0420 2-Methyl-8-quinolinol min. 98.0 % 826-81-3 25G ₹2000 2022-05-26 Buy
TCI Chemicals (India) M0420 2-Methyl-8-quinolinol min. 98.0 % 826-81-3 100G ₹3700 2022-05-26 Buy
TCI Chemicals (India) M0420 2-Methyl-8-quinolinol min. 98.0 % 826-81-3 500G ₹12600 2022-05-26 Buy
ALFA India ALF-L06989-36 8-Hydroxy-2-methylquinoline, 98% 826-81-3 500g ₹15229 2022-05-26 Buy
Product number Packaging Price Buy
H57602 100G ₹4827.95 Buy
M0420 25G ₹2000 Buy
M0420 100G ₹3700 Buy
M0420 500G ₹12600 Buy
ALF-L06989-36 500g ₹15229 Buy

8-Hydroxyquinaldine Chemical Properties,Uses,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.

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.]

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8-Hydroxyqinaldine 8-Hydroxyquinaldine,98% 8-Hydroxyquinaldine, 98% 100GR 8-Hydroxyquinaldine, 98% 25GR 8-Hydroxyquinaldine, 98% 500GR 8-Hydroxymethylquinoline 8-Hydroxy-2-methylquinoline 2-Methyloxine 8-Hydroxyquinaldine 2-Methyl-8-hydroxyquinoine 8-Hydroxyquinaldine, 2-Methylquinolin-8-ol 8-Quinolinol,2-methyl- 4-Hydroxy-3-quinoline carboxylic acid 8-Hydroxyquinaldine~2-Methyl-8-quinolinol Hydroxyquinaldine,99% Hydroxyquinaldine 8-HYDROXYQUINALDINE 2-METHYLOXINE 1-Methyl 8-quinolinol 2-Methyl-8-hydroxy TIMTEC-BB SBB009099 8-HYDROXYQUINALDINE MIN. 98% 8-HYDROXYQUINALDINE 98% 8-HydroxyquinaL 8-Hydroxyquinaldine (8-Hydroxy-2-me 2-Methyl-8-quinolinol> 8-HYDROXYQUINALDINE8-HYDROXYQUINALDINE8-HYDROXYQUINALDINE8-HYDROXYQUINALDINE 1-methyl-2H-quinolin-8-ol 2-METHYL-8-QUINOLINOL 2-METHYL-8-HYDROXYQUINOLINE 8-HYDROXY-2-METHYLQUINOLINE 2-methyl-8-quinolino 2-Methylquinolin-8-ol 8-Hydroxy-2-methylquinoline 98% 826-81-3 C9H5NOHCH3 Quinaldines Heterocyclic Building Blocks Hydroxyquinolines Quinolines Alkylquinolines Building Blocks Alkylquinolines Hydroxyquinolines Quinolines Quinolines, Quinazolines and derivatives bc0001