PYRIDINE-D5
Synonym(s):Pentadeuteropyridine;Pyridine-D5
- CAS NO.：7291-22-7
- Empirical Formula: C5D5N
- Molecular Weight: 84.13
- MDL number: MFCD00044639
- EINECS: 230-720-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-10 10:27:28
What is PYRIDINE-D5?
Chemical properties
clear colorless liquid
The Uses of PYRIDINE-D5
Pyridine-d{5} is used in the synthesis complexes with cobalt(II) halides, pyridine-d5, a deuterated form of pyridine, ionic liquid matrices (ILMs).
Definition
ChEBI: Pyridine-d5 is a deuterated compound, an azaarene, a mancude organic heteromonocyclic parent, a monocyclic heteroarene and a member of pyridines.
General Description
Pyridine-d5 is a deuterated NMR solvent useful in NMR-based research and analyses. It has been synthesized by palladium catalyzed H/D (hydrogen/deuterium) exchange reaction between pyridine vapor and heavy water. Infrared and Raman spectra of pyridine-d5 have been recorded in the range 300–4000cm-1.
Properties of PYRIDINE-D5
| Melting point: | -41 °C |
| Boiling point: | 114.4 °C(lit.) |
| Density | 1.05 g/mL at 25 °C(lit.) |
| vapor pressure | 26.7 hPa (25 °C) |
| refractive index | n |
| Flash point: | 68 °F |
| storage temp. | no restrictions. |
| solubility | 1000g/l soluble |
| pka | pK1:5.83(+1) (25°C) |
| form | Liquid |
| color | Colorless |
| PH | 8.81 (H2O) |
| explosive limit | 1.8-12.4%(V) |
| Water Solubility | Soluble in water, alcohol, ether, acetone, and benzene. |
| BRN | 114377 |
| CAS DataBase Reference | 7291-22-7(CAS DataBase Reference) |
| EPA Substance Registry System | Pyridine-d5 (7291-22-7) |
Safety information for PYRIDINE-D5
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H225:Flammable liquids H315:Skin corrosion/irritation H319:Serious eye damage/eye 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 PYRIDINE-D5
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