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ChemicalBook--->CAS DataBase List--->491-35-0

491-35-0

491-35-0 Structure

491-35-0 Structure
IdentificationMore
[Name]

Lepidine
[CAS]

491-35-0
[Synonyms]

4-Lepidine
4-METHYLCHINOLINE
4-METHYLQUINOLINE
LEPIDINE
4-methyl-quinolin
Cincholepidine
gamma-Methylquinoline
Lepidin
-Methylquinoline
Quinoline,4-methyl-
4-METHYLQUINOLINE 99+%
LEPIDINE, 99% (4-METHYLQUINOLINE)
Lepidine(4-Methylquinoline)99%
Lepidine,98%
4-METHYLQUINUOLINE
4-Methylquinoline, Lepidine
Lepidine ,99%
[EINECS(EC#)]

207-734-2
[Molecular Formula]

C10H9N
[MDL Number]

MFCD00006784
[Molecular Weight]

143.19
[MOL File]

491-35-0.mol
Chemical PropertiesBack Directory
[Appearance]

clear slightly yellow to brown liquid
[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.)
[Fp ]

>230 °F
[storage temp. ]

Refrigerator
[solubility ]

Chloroform (Slightly), Methanol (Slightly)
[form ]

Liquid
[pka]

5.67(at 20℃)
[color ]

Pale Orange
[Odor]

at 100.00 %. burnt oily herbal floral sweet
[Odor Type]

burnt
[Water Solubility ]

Slightly soluble
[Sensitive ]

Light Sensitive
[Detection Methods]

GC,NMR
[Merck ]

14,5441
[BRN ]

110926
[InChIKey]

MUDSDYNRBDKLGK-UHFFFAOYSA-N
[LogP]

2.610
[CAS DataBase Reference]

491-35-0(CAS DataBase Reference)
[NIST Chemistry Reference]

Quinoline, 4-methyl-(491-35-0)
[Storage Precautions]

Light sensitive
[EPA Substance Registry System]

491-35-0(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xi,Xn
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
R68:Possible risk of irreversible effects.
R40:Limited evidence of a carcinogenic effect.
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S22:Do not breathe dust .
[WGK Germany ]

3
[RTECS ]

OH0316000
[F ]

8-10
[TSCA ]

Yes
[HS Code ]

29334900
[Hazardous Substances Data]

491-35-0(Hazardous Substances Data)
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Ethanol-->Ethyl acetate-->Sulfuric acid-->Acetic acid-->Phosphorus oxychloride-->Ammonium hydroxide-->Xylene-->Aniline-->ZINC-->Phosphorus pentachloride-->Zinc chloride-->Iodine-->Phosphorus-->Iron chloride hexahydrate-->Acetoacetanilide-->Methyl vinyl ketone-->4-quinoline carboxaldehyde,oxime
[Preparation Products]

QUINOLINE-4-CARBOXYLIC ACID-->4-Quinolinecarboxaldehyde-->METHYL 8-AMINOQUINOLINE-4-CARBOXYLATE-->BUTYRONITRILE
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

Lepidine(491-35-0).msds
Hazard InformationBack Directory
[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.
[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.]
Spectrum DetailBack Directory
[Spectrum Detail]

Lepidine(491-35-0)MS
Lepidine(491-35-0)1HNMR
Lepidine(491-35-0)13CNMR
Lepidine(491-35-0)IR1
Lepidine(491-35-0)Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Lepidine, 99%(491-35-0)
[Alfa Aesar]

Lepidine, 98%(491-35-0)
[Sigma Aldrich]

491-35-0(sigmaaldrich)
[TCI AMERICA]

Lepidine,>97.0%(GC)(491-35-0)
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