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611-36-9

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Identification

Name
4-Hydroxyquinoline
CAS
611-36-9
Synonyms
4(1H)-QUINOLINONE
4-HYDROXY-1-AZANAPHTHALENE
4-HYDROXYQUINOLINE
4-QUINOLINOL
AKOS 222-32
HYDROXYQUINOLINE,4-
KYNURINE
QUINOLIN-4(1H)-ONE
QUINOLIN-4-OL
4-hydroxy-quinolin
4-Hydroxyquinoline98%
1H-Quinolin-4-one
Quinoline, 4-hydroxy-
EINECS(EC#)
210-268-2
Molecular Formula
C9H7NO
MDL Number
MFCD00006777
Molecular Weight
145.16
MOL File
611-36-9.mol

Chemical Properties

Appearance
LIGHT BEIGE TO YELLOWISH CRYST. POWDER OR NEEDLES
Melting point 
200-202 °C(lit.)

mp 
200-202 °C(lit.)

Boiling point 
264.27°C (rough estimate)
density 
1.1555 (rough estimate)
refractive index 
1.4500 (estimate)
storage temp. 
Sealed in dry,Room Temperature
solubility 
Soluble in methanol.
form 
Crystalline Powder or Needles
pka
2.23, 11.28(at 20℃)
color 
Light beige to yellow
Water Solubility 
4.8g/L(15 ºC)
Detection Methods
HPLC,NMR
BRN 
1524969
InChIKey
PMZDQRJGMBOQBF-UHFFFAOYSA-N
CAS DataBase Reference
611-36-9(CAS DataBase Reference)
NIST Chemistry Reference
4-Quinolinol(611-36-9)

Safety Data

Hazard Codes 
Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection .
WGK Germany 
3

RTECS 
VC4070000

HS Code 
29334900

Raw materials And Preparation Products

Material Safety Data Sheet(MSDS)

msds information
4-Quinolinol(611-36-9).msds

Hazard Information

Chemical Properties
LIGHT BEIGE TO YELLOWISH CRYST. POWDER OR NEEDLES
Uses
4-Hydroxyquinolineis a hydroxylated quinoline derivative with antimicrobial activity. 4-Hydroxyquinoline showed growth-inhibitory effects against intestinal bacteria. 4-Hydroxyquinoline act as sacrifi cial scavengers of the photogenerated oxygen species and has been shown to prevent the photodegradation of riboflavin.
Definition
ChEBI: A monohydroxyquinoline carrying a hydroxy group at position 4.
Synthesis Reference(s)
Journal of the American Chemical Society, 68, p. 1264, 1946 DOI: 10.1021/ja01211a038
General Description
4-Quinolinol (4-quinolone) is a quinolone compound which forms the core moiety of antibacterials such as norfloxacin, nalidixic acid, ciprofloxacin and cinoxacin.

Spectrum Detail

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