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ChemicalBook--->CAS DataBase List--->826-81-3

826-81-3

826-81-3 Structure

826-81-3 Structure
IdentificationMore
[Name]

8-Hydroxyquinaldine
[CAS]

826-81-3
[Synonyms]

2-METHYL-8-HYDROXYQUINOLINE
2-METHYL-8-QUINOLINOL
2-METHYLOXINE
8-HYDROXY-2-METHYLQUINOLINE
8-HYDROXYQUINALDINE
TIMTEC-BB SBB009099
2-methyl-8-quinolino
8-Hydroxyqinaldine
8-Quinolinol,2-methyl-
Hydroxyquinaldine
4-Hydroxy-3-quinoline carboxylic acid
8-Hydroxyquinaldine~2-Methyl-8-quinolinol
Hydroxyquinaldine,99%
8-HYDROXYQUINALDINE MIN. 98%
8-HYDROXYQUINALDINE 98%
1-Methyl 8-quinolinol
2-Methyl-8-hydroxy
2-Methylquinolin-8-ol
[EINECS(EC#)]

212-562-6
[Molecular Formula]

C10H9NO
[MDL Number]

MFCD00006765
[Molecular Weight]

159.18
[MOL File]

826-81-3.mol
Chemical PropertiesBack Directory
[Appearance]

beige to brown crystalline powder
[Melting point ]

71-73 °C(lit.)
[Boiling point ]

267 °C(lit.)
[density ]

1.1202 (rough estimate)
[refractive index ]

1.6070 (estimate)
[Fp ]

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]

826-81-3(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

N,Xi
[Risk Statements ]

R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S24/25:Avoid contact with skin and eyes .
S36:Wear suitable protective clothing .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
[RIDADR ]

UN 3077 9/PG 3
[WGK Germany ]

2
[RTECS ]

VC7920000
[Hazard Note ]

Irritant
[TSCA ]

Yes
[HazardClass ]

9
[PackingGroup ]

III
[HS Code ]

29334990
Raw materials And Preparation ProductsBack Directory
[Raw materials]

2-Aminophenol-->2-Nitrophenol-->Crotonaldehyde
[Preparation Products]

8-Hydroxyquinoline-2-carboxaldehyde-->BIS(2-METHYL-8-HYDROXYQUINOLINATO)ZINC-->8-hydroxy-2-methylquinoline-7-carboxylic acid-->2-Methylquinoline-8-carbonitrile
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

8-Hydroxyquinaldine(826-81-3).msds
Hazard InformationBack Directory
[Chemical Properties]

beige to brown crystalline powder
[Uses]

8-Hydroxy-2-methylquinoline is used as pharmaceutical intermediate.
[Definition]

ChEBI: 2-Methylquinolin-8-ol is a hydroxyquinoline.
[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.
[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.]
Spectrum DetailBack Directory
[Spectrum Detail]

8-Hydroxyquinaldine(826-81-3)MS
8-Hydroxyquinaldine(826-81-3)1HNMR
8-Hydroxyquinaldine(826-81-3)13CNMR
8-Hydroxyquinaldine(826-81-3)IR1
8-Hydroxyquinaldine(826-81-3)IR2
8-Hydroxyquinaldine(826-81-3)Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

8-Hydroxyquinaldine, 98%(826-81-3)
[Alfa Aesar]

8-Hydroxy-2-methylquinoline, 98%(826-81-3)
[Sigma Aldrich]

826-81-3(sigmaaldrich)
[TCI AMERICA]

8-Hydroxyquinaldine,>98.0%(GC)(T)(826-81-3)
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