2,5-Dimethyl-1H-pyrrole
- CAS NO.：625-84-3
- Empirical Formula: C6H9N
- Molecular Weight: 95.14
- MDL number: MFCD00005223
- EINECS: 210-913-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-27 23:44:29
What is 2,5-Dimethyl-1H-pyrrole?
Chemical properties
clear yellow to orange-brown liquid
Definition
ChEBI: 2,5-Dimethyl-1H-pyrrole is a member of pyrroles.
Synthesis Reference(s)
Synthetic Communications, 18, p. 167, 1988 DOI: 10.1080/00397918808077341
Synthesis, p. 1585, 2000 DOI: 10.1055/s-2000-7618
Safety Profile
When heated to decomposition emits toxic fumes of NOx
Properties of 2,5-Dimethyl-1H-pyrrole
| Melting point: | 6.5°C |
| Boiling point: | 165 °C/740 mmHg (lit.) |
| Density | 0.935 g/mL at 25 °C (lit.) |
| vapor pressure | 44-490Pa at 20-50℃ |
| refractive index | n |
| Flash point: | 130 °F |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| Water Solubility | Insoluble in water |
| form | Crystalline Powder and/or Chunks |
| pka | 18.46±0.50(Predicted) |
| Specific Gravity | 0.935 |
| color | Yellow to orange-yellow |
| CAS DataBase Reference | 625-84-3(CAS DataBase Reference) |
| NIST Chemistry Reference | 1H-Pyrrole, 2,5-dimethyl-(625-84-3) |
Safety information for 2,5-Dimethyl-1H-pyrrole
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Skull and Crossbones Acute Toxicity GHS06 |
| 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+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. 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-Dimethyl-1H-pyrrole
| InChIKey | PAPNRQCYSFBWDI-UHFFFAOYSA-N |
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