3,4-Lutidine
Synonym(s):3,4-Dimethylpyridine
- CAS NO.：583-58-4
- Empirical Formula: C7H9N
- Molecular Weight: 107.15
- MDL number: MFCD00006403
- EINECS: 209-511-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-10 10:27:34
What is 3,4-Lutidine?
Chemical properties
clear yellow to brownish liquid
The Uses of 3,4-Lutidine
3,4-Lutidine is used as an intermediate in the preparation of active pharmaceutical ingredient. It is used to prepare tetrhydropyridine derivatives by reduction.
Safety Profile
Poison by skin contact. Moderately toxic by ingestion and inhalation. When heated to decomposition it emits toxic fumes of NOx.
Properties of 3,4-Lutidine
| Melting point: | -12 °C |
| Boiling point: | 163-164 °C(lit.) |
| Density | 0.954 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | 129 °F |
| storage temp. | Flammables area |
| form | clear liquid |
| pka | 6.46(at 25℃) |
| color | yellow |
| Water Solubility | 52 g/L (20 ºC) |
| Sensitive | Hygroscopic |
| BRN | 106583 |
| Dielectric constant | 11.470000000000001 |
| CAS DataBase Reference | 583-58-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Pyridine, 3,4-dimethyl-(583-58-4) |
| EPA Substance Registry System | 3,4-Dimethylpyridine (583-58-4) |
Safety information for 3,4-Lutidine
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H226:Flammable liquids H302:Acute toxicity,oral 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 3,4-Lutidine
3,4-Lutidine manufacturer
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