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2,3-Lutidine

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2,3-Lutidine Basic information

Product Name:
2,3-Lutidine
Synonyms:
  • 2,3-DIMETHYLPYRIDINE(2,3-LUTIDINE)
  • a,b-Dimethylpyridine
  • 2,3-Lutidine (8CI)
  • Pyridine, 2,3-dimethyl- (9CI)
  • 2,3-Lutidine, 98+% 100ML
  • 2,3- twoMethylpyridine
  • 2,3-Lutidine 99%
  • LUT
CAS:
583-61-9
MF:
C7H9N
MW:
107.15
EINECS:
209-514-1
Product Categories:
  • Biochemistry
  • Reagents for Oligosaccharide Synthesis
  • Pyridines derivates
  • Heterocyclic Compounds
  • bc0001
Mol File:
583-61-9.mol
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2,3-Lutidine Chemical Properties

Melting point:
-15 °C (lit.)
Boiling point:
162-163 °C (lit.)
Density 
0.945 g/mL at 25 °C (lit.)
refractive index 
n20/D 1.508(lit.)
Flash point:
122 °F
storage temp. 
Inert atmosphere,Room Temperature
pka
6.57(at 25℃)
form 
Liquid
color 
Clear colorless to slightly yellow
Water Solubility 
95 g/L (26 ºC)
BRN 
106418
InChIKey
HPYNZHMRTTWQTB-UHFFFAOYSA-N
SMILES
CC1=C(N=CC=C1)C
LogP
1.638 (est)
CAS DataBase Reference
583-61-9(CAS DataBase Reference)
NIST Chemistry Reference
Pyridine, 2,3-dimethyl-(583-61-9)
EPA Substance Registry System
2,3-Dimethylpyridine (583-61-9)
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Safety Information

Hazard Codes 
Xn,F,Xi
Risk Statements 
10-22-37/38-41-20/21/22-36/37/38
Safety Statements 
16-26-39-36/37-36/37/39
RIDADR 
UN 1993 3/PG 3
WGK Germany 
3
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
II
HS Code 
29333990

MSDS

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2,3-Lutidine Usage And Synthesis

Description

2,3-Lutidine belongs to the pyridine group of derivatives and is a commercially available organic reagent used as an intermediate in organic synthesis and as an acid-binding agent. It is also used as a food additive for flavouring purposes.

Chemical Properties

clear colorless to slightly yellow liquid

Uses

2,3-Lutidine is a lansoprazole intermediates. It is used as pharmaceutical intermediate.

Definition

LOTUS: 2,3-Lutidine is a natural product found in Nicotiana tabacum with data available.

Synthesis Reference(s)

The Journal of Organic Chemistry, 66, p. 53, 2001 DOI: 10.1021/jo000724t

Purification Methods

Steam distil it from a solution containing about 1.2 equivalents of 20% H2SO4, until ca 10% of the base has been carried over with the non-basic impurities. The acidic solution is then made alkaline, and the base is separated, dried over NaOH or BaO, and fractionally distilled. The distilled lutidine is converted to its urea complex by stirring 100g with 40g of urea in 75mL of H2O, cooling to 5o, filtering at the pump, and washing with 75mL of H2O. The complex, dissolved in 300mL of H2O, is steam distilled until the distillate gives no turbidity with a little solid NaOH. The distillate is then treated with excess solid NaOH, and the upper layer is removed: the aqueous layer is then extracted with diethyl ether. The upper layer and the ether extract are combined, dried (K2CO3), and distilled through a short column. Final purification is by fractional crystallisation using partial freezing. The picrate crystallises from EtOH with m 187-188o. [Kyte et al. J Chem Soc 4454 1960, Beilstein 20 H 243, 20 II 159, 20 III/IV 2765, 20/6 V 15.]

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