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| | 2,5-Dimethylpyridine Basic information |
| | 2,5-Dimethylpyridine Chemical Properties |
| 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.) | | Fp | 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 | | Henry's Law Constant | 1.1×100 mol/(m3Pa) at 25℃, Andon et al. (1954) | | InChI | 1S/C7H9N/c1-6-3-4-7(2)8-5-6/h3-5H,1-2H3 | | InChIKey | XWKFPIODWVPXLX-UHFFFAOYSA-N | | SMILES | Cc1ccc(C)nc1 | | LogP | 1.708 (est) | | 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) |
| Hazard Codes | Xn,F,Xi | | Risk Statements | 10-20/21/22-36/37/38 | | Safety Statements | 16-26-36/37/39-45 | | RIDADR | UN 1993 3/PG 3 | | WGK Germany | 3 | | RTECS | OK9625000 | | TSCA | TSCA listed | | HazardClass | 3.2 | | PackingGroup | III | | HS Code | 2933399990 | | Storage Class | 3 - Flammable liquids | | Hazard Classifications | Acute Tox. 4 Dermal
Acute Tox. 4 Inhalation
Acute Tox. 4 Oral
Eye Irrit. 2
Flam. Liq. 3
Skin Irrit. 2
STOT SE 3 |
| | 2,5-Dimethylpyridine Usage And Synthesis |
| Chemical Properties |
2,5-Dimethylpyridine is a colorless liquid, it is flammable and stable under recommended storage conditions.
| | 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. | | Hazard | 2,5-Dimethylpyridine is acute toxicity.
| | 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.] |
| | 2,5-Dimethylpyridine Preparation Products And Raw materials |
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