2,3-DIMETHYLQUINOXALINE
- CAS NO.：2379-55-7
- Empirical Formula: C10H10N2
- Molecular Weight: 158.2
- MDL number: MFCD00006728
- EINECS: 219-162-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-03 14:17:14
What is 2,3-DIMETHYLQUINOXALINE?
Chemical properties
beige crystalline powder
Definition
ChEBI: A quinoxaline derivative in which the quinoxaline (1,4-naphthyridine) skeleton is substituted with a methyl group at each of positions C-2 and C-3.
Purification Methods
It has been purified by steam distillation with the base crystallising in the distillate. Recrystallise it from distilled water or aqueous EtOH. The sulfate crystallises from EtOH with m 151-152o(dec). [Gibson J Chem Soc 343 1927, Beilstein 23 H 191, 23 II 197, 23 III/IV 1277.]
Properties of 2,3-DIMETHYLQUINOXALINE
| Melting point: | 104-108 °C(lit.) |
| Boiling point: | 130 °C / 1.5mmHg |
| Density | 1.1192 (rough estimate) |
| refractive index | 1.6392 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| form | Crystalline Powder |
| pka | 1.69±0.48(Predicted) |
| color | Beige |
| Odor | at 0.01 % in propylene glycol. fatty earthy |
| BRN | 114832 |
| CAS DataBase Reference | 2379-55-7(CAS DataBase Reference) |
| EPA Substance Registry System | Quinoxaline, 2,3-dimethyl- (2379-55-7) |
Safety information for 2,3-DIMETHYLQUINOXALINE
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H315:Skin corrosion/irritation H318:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. |
Computed Descriptors for 2,3-DIMETHYLQUINOXALINE
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![ACENAPHTHO[1,2-B]QUINOXALINE](https://img.chemicalbook.in/CAS/GIF/207-11-4.gif)
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