2-Hydrazinopyridine
Synonym(s):2-Pyridylhydrazine
- CAS NO.：4930-98-7
- Empirical Formula: C5H7N3
- Molecular Weight: 109.13
- MDL number: MFCD00006249
- EINECS: 225-566-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 13:37:16
What is 2-Hydrazinopyridine?
Chemical properties
White to light beige low melting solid
Synthesis Reference(s)
Journal of Medicinal Chemistry, 28, p. 1394, 1985 DOI: 10.1021/jm00148a004
Purification Methods
Purify it by distillation under a vacuum and by recrystallisation from Et2O/hexane. [Kauffmann et al. Justus Liebigs Ann Chem 656 103 1962, Potts & Burton J Org Chem 31 251 1966.] The mono-hydrochloride has m 183o(dec) from aqueous HCl, and the di-hydrochloride has m 214-215o. [Beilstein 22 II 487, 22 III/IV 7025, 22/14 V 486.]
Properties of 2-Hydrazinopyridine
| Melting point: | 41-44 °C (lit.) |
| Boiling point: | 90-92 °C/1 mmHg (lit.) |
| Density | 1.1118 (rough estimate) |
| refractive index | 1.5340 (estimate) |
| Flash point: | >230 °F |
| storage temp. | 2-8°C |
| solubility | soluble in Methanol |
| form | crystalline |
| pka | 9.72±0.70(Predicted) |
| color | deep red |
| BRN | 109984 |
| CAS DataBase Reference | 4930-98-7(CAS DataBase Reference) |
| NIST Chemistry Reference | 2-Hydrazinopyridine(4930-98-7) |
| EPA Substance Registry System | 2-Hydrazinopyridine (4930-98-7) |
Safety information for 2-Hydrazinopyridine
| 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. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. 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-Hydrazinopyridine
| InChIKey | NWELCUKYUCBVKK-UHFFFAOYSA-N |
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