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HomeProduct name list2,5-Dimethylpyridine

2,5-Dimethylpyridine

Synonym(s):2,5-Dimethylpyridine

  • CAS NO.:589-93-5
  • Empirical Formula: C7H9N
  • Molecular Weight: 107.15
  • MDL number: MFCD00006343
  • EINECS: 209-666-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:15:30
2,5-Dimethylpyridine Structural

What is 2,5-Dimethylpyridine?

The Uses of 2,5-Dimethylpyridine

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.]

Properties of 2,5-Dimethylpyridine

Melting point: −15 °C(lit.)
Boiling point: 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.)
Flash point: 118 °F
form  clear liquid
pka 6.4(at 25℃)
color  Colorless to Light orange to Yellow
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 2,5-Dimethylpyridine (589-93-5)

Safety information for 2,5-Dimethylpyridine

Signal word Warning
Pictogram(s)
ghs
Flame
Flammables
GHS02
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H226:Flammable liquids
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for 2,5-Dimethylpyridine

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