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4-methylquinoline

CAS No.
491-35-0
Chemical Name:
4-methylquinoline
Synonyms
4-METHYLQUINOLINE;4-Lepidine;4-METHYLCHINOLINE;Lepidin;epidine;LEPIDINE;Lepidine>Lepidine,98%;Lepidine ,99%;4-Methylchinol
CBNumber:
CB8121295
Molecular Formula:
C10H9N
Molecular Weight:
143.19
MDL Number:
MFCD00006784
MOL File:
491-35-0.mol
MSDS File:
SDS
Last updated:2023-10-21 16:57:38

4-methylquinoline Properties

Melting point 9-10 °C(lit.)
Boiling point 261-263 °C(lit.)
Density 1.083 g/mL at 25 °C(lit.)
refractive index n20/D 1.620(lit.)
Flash point >230 °F
storage temp. Refrigerator
solubility Chloroform (Slightly), Methanol (Slightly)
pka 5.67(at 20℃)
form Liquid
color Pale Orange
Odor at 100.00 %. burnt oily herbal floral sweet
Odor Type burnt
Water Solubility Slightly soluble
Sensitive Light Sensitive
Merck 14,5441
BRN 110926
InChIKey MUDSDYNRBDKLGK-UHFFFAOYSA-N
LogP 2.610
CAS DataBase Reference 491-35-0(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS) LEPIDINE
EWG's Food Scores 2
FDA UNII 116169T3O8
NIST Chemistry Reference Quinoline, 4-methyl-(491-35-0)
EPA Substance Registry System Quinoline, 4-methyl- (491-35-0)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
Hazard Codes  Xi,Xn
Risk Statements  36/37/38-68-40
Safety Statements  26-36-45-36/37/39-22
WGK Germany  3
RTECS  OH0316000
8-10
TSCA  Yes
HS Code  29334900
NFPA 704
1
2 0

4-methylquinoline price More Price(27)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 158283 Lepidine 99% 491-35-0 25g $99.3 2024-03-01 Buy
Sigma-Aldrich 158283 Lepidine 99% 491-35-0 100g $188 2024-03-01 Buy
TCI Chemical L0024 Lepidine >97.0%(GC)(T) 491-35-0 25mL $59 2024-03-01 Buy
TCI Chemical L0024 Lepidine >97.0%(GC)(T) 491-35-0 100mL $165 2024-03-01 Buy
Alfa Aesar A14040 Lepidine, 97% 491-35-0 10g $45.65 2024-03-01 Buy
Product number Packaging Price Buy
158283 25g $99.3 Buy
158283 100g $188 Buy
L0024 25mL $59 Buy
L0024 100mL $165 Buy
A14040 10g $45.65 Buy

4-methylquinoline Chemical Properties,Uses,Production

Description

Refer to 6-METHYLQUINOLINE.

Chemical Properties

clear slightly yellow to brown liquid

Physical properties

4-Methylquinoline is a colorless liquid with a weak quinoline-like odor. It is slightly soluble in water, miscible with many organic solvents, and volatile in steam.

Uses

Lepidine is used in the preparation of certain dyes.

Uses

4-Methylquinoline is used as a reagent in the synthesis of azetidine based ene-amides as potent bacterial enoyl ACP reductase inhibitors. Also used as a reagent in the synthesis of cyanine-styryl dyes with enhanced photostability for fluorescent DNA imaging.

Definition

ChEBI: A methylquinoline carrying a methyl substituent at position 4.

Production Methods

4-Methylquinoline can be recovered from the highest-boiling fraction of the coal-tar quinoline bases via its o-cresol addition compound. It can be synthesized by condensation of aniline and methyl vinyl ketone.

Synthesis Reference(s)

Tetrahedron Letters, 28, p. 5291, 1987 DOI: 10.1016/S0040-4039(00)96710-8

General Description

Synthesis of lepidine from 4-anilinobutan-2-one in ethanol in the presence of HCl or FeCl3 has been reported. Nitration of lepidine has been reported.

Purification Methods

Reflux lepidine with BaO, then fractionally distil it. Further purify it via its recrystallised dichromate salt (m 138o) (from H2O). [Cumper et al. J Chem Soc 1176 1962.] [Beilstein 20 III/IV 3477, 20/7 V 389.]

Global( 269)Suppliers
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Hebei Mojin Biotechnology Co., Ltd
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View Lastest Price from 4-methylquinoline manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
4-methylquinoline pictures 2023-08-26 4-methylquinoline
491-35-0
US $0.00 / KG 1KG 99% 50000KG/month Hebei Mojin Biotechnology Co., Ltd
4-Methylquinoline pictures 2023-01-19 4-Methylquinoline
491-35-0
US $0.00 / KG 1KG 98%min 30tons/month WUHAN FORTUNA CHEMICAL CO., LTD
Lepidine  pictures 2022-03-04 Lepidine
491-35-0
US $1.10 / g 1g 99.00% 100 Tons Dideu Industries Group Limited
  • Lepidine  pictures
  • Lepidine
    491-35-0
  • US $1.10 / g
  • 99.00%
  • Dideu Industries Group Limited
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