ChemicalBook--->CAS DataBase List--->589-93-5

589-93-5

589-93-5 Structure

589-93-5 Structure
IdentificationMore
[Name]

2,5-Dimethylpyridine
[CAS]

589-93-5
[Synonyms]

2,5-DIMETHYLPYRIDINE
25L
2,5-LUTIDINE
2,5-dimethyl-pyridin
5-methyl-2-methylpyridine
pyridine,2,5-dimethyl-
2,5-LUTIDINE 98+%
a,d-Dimethylpyridine
2,5-DIMETHYLPYRIDINE, 2,5-LUTIDINE
[EINECS(EC#)]

209-666-9
[Molecular Formula]

C7H9N
[MDL Number]

MFCD00006343
[Molecular Weight]

107.15
[MOL File]

589-93-5.mol
Chemical PropertiesBack Directory
[Melting point ]

−15 °C(lit.)
[mp ]

−15 °C(lit.)
[Boiling point ]

157 °C(lit.)
[bp ]

157 °C(lit.)
[density ]

0.926 g/mL at 25 °C(lit.)
[vapor pressure ]

2.4 mm Hg ( 20 °C)
[refractive index ]

n20/D 1.499(lit.)
[Fp ]

118 °F
[pka]

6.4(at 25℃)
[Water Solubility ]

77g/L(23 ºC)
[Sensitive ]

Hygroscopic
[CAS DataBase Reference]

589-93-5(CAS DataBase Reference)
[NIST Chemistry Reference]

Pyridine, 2,5-dimethyl-(589-93-5)
[EPA Substance Registry System]

589-93-5(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xn,F,Xi
[Risk Statements ]

R10:Flammable.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S16:Keep away from sources of ignition-No smoking .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
[RIDADR ]

UN 1993 3/PG 3
[WGK Germany ]

3
[RTECS ]

OK9625000
[HazardClass ]

3.2
[PackingGroup ]

III
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Ethanol-->Hydrochloric acid-->Methanol-->Sodium-->Phosphorus oxychloride-->Potassium carbonate-->Potassium hydroxide-->Nickel-->Diethyl methylmalonate-->3-Amino-2-butenoic acid ethyl ester-->3-acetyldihydro-5-methylfuran-2(3H)-one-->2,5-dimethylpyridine 1-oxide
[Preparation Products]

5-METHYLPICOLINIC ACID-->3-Ethylpyridine-->2-(ChloroMethyl)-5-Methylpyridine hydrochloride-->(5-methylpyridin-2-yl)methanol-->3,4-Lutidine-->2-Pyridinecarboxylicacid,5-methyl-,methylester(9CI)
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

2,5-Lutidine(589-93-5).msds
Hazard InformationBack Directory
[Uses]

2,5-Lutidine was used to displace CO from the haem iron.
[Synthesis Reference(s)]

Tetrahedron Letters, 17, p. 383, 1976 DOI: 10.1016/S0040-4039(00)93738-9
[General Description]

The FT-IR and FT-Raman spectra of 2,5-lutidine was studied.
[Purification Methods]

Steam distil the lutidine from a solution containing 1-2 equivalents of 20% H2SO4 until about 10% of the base has been carried over with the non-basic impurities, then the acidic solution is made alkaline, and the base is separated, dried with NaOH and fractionally distilled twice. Dry the distillate with Na and fractionally distil it through a Todd column (p 11) packed with glass helices. The hydrochloride has m 219o(dec), and the picrate has m 170.5o (from EtOH or H2O). [Beilstein 20 H 244, 20 II 160, 20 III/IV 2774, 20/6 V 27.]
Spectrum DetailBack Directory
[Spectrum Detail]

2,5-Dimethylpyridine(589-93-5)MS
2,5-Dimethylpyridine(589-93-5)1HNMR
2,5-Dimethylpyridine(589-93-5)13CNMR
2,5-Dimethylpyridine(589-93-5)IR1
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

589-93-5(sigmaaldrich)
[TCI AMERICA]

2,5-Lutidine,>98.0%(GC)(589-93-5)
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