Pyrrole-2-carboxaldehyde
Synonym(s):2-Formylpyrrole;2-Pyrrolecarbaldehyde;Pyrrole-2-aldehyde, Pyrrole-2-carboxaldehyde, 2-Formylpyrrole
- CAS NO.：1003-29-8
- Empirical Formula: C5H5NO
- Molecular Weight: 95.1
- MDL number: MFCD00005217
- EINECS: 213-705-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-09-25 09:23:02
What is Pyrrole-2-carboxaldehyde?
Chemical properties
Yellow Foam
The Uses of Pyrrole-2-carboxaldehyde
Pyrrole-2-carboxaldehyde (cas# 1003-29-8) is a compound useful in organic synthesis.
Definition
ChEBI: A pyrrole carrying a formyl substituent at the 2-position.
Synthesis Reference(s)
Canadian Journal of Chemistry, 61, p. 2415, 1983 DOI: 10.1139/v83-417
Journal of Heterocyclic Chemistry, 26, p. 1563, 1989
Organic Syntheses, Coll. Vol. 4, p. 831, 1963
Properties of Pyrrole-2-carboxaldehyde
| Melting point: | 43-46 °C(lit.) |
| Boiling point: | 217-219 °C(lit.) |
| Density | 1.3215 (rough estimate) |
| refractive index | 1.5939 |
| Flash point: | 224 °F |
| storage temp. | Store at +2°C to +8°C. |
| solubility | Chloroform (Slightly), DMSO (Soluble), Methanol (Sparingly) |
| pka | 15.20±0.50(Predicted) |
| form | Crystalline Low Melting Solid |
| color | White to brown |
| Odor | at 1.00 % in propylene glycol. musty beefy coffee |
| Water Solubility | Soluble in chloroform, dimethyl sulfoxide and methanol. Insoluble in water. |
| Sensitive | Air Sensitive |
| BRN | 105745 |
| CAS DataBase Reference | 1003-29-8(CAS DataBase Reference) |
| NIST Chemistry Reference | 1H-Pyrrole-2-carboxaldehyde(1003-29-8) |
| EPA Substance Registry System | 1H-Pyrrole-2-carboxaldehyde (1003-29-8) |
| Description | Pyrrole-2-carboxaldehyde is used as a pharmaceutical intermediate. It undergoes condensation reaction to produce pyrrole-2-carboxaldehyde salicylhydrazone (PCSH). It is used as a key starting material for the preparation of pyrrole -2-carboxylic acid by oxidation reaction. It is also used to prepare 4-Difluoro-4-bora-3a,4a-diaza-s-indacene (BODIPY dyes) through condensation with a pyrrole, which is an important probes for biotechnology and other applications.
|
Safety information for Pyrrole-2-carboxaldehyde
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
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