Cyanoacetohydrazide
Synonym(s):Cyanoacetic hydrazide
- CAS NO.：140-87-4
- Empirical Formula: C3H5N3O
- Molecular Weight: 99.09
- MDL number: MFCD00007611
- EINECS: 205-437-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-03-09 13:09:33
What is Cyanoacetohydrazide?
Chemical properties
BROWN GRANULAR CRYSTALLINE POWDER
The Uses of Cyanoacetohydrazide
2-Cyanoacetohydrazide is used in the study of the viral inhibiting activity of some potential antiviral agents.
Purification Methods
Crystallise the hydrazide from EtOH. The hydrochloride has m 178-180o and the benzylidene derivative has m 178o. It is converted to 3-oxo-5-iminopyrazolidine in hot 40% aqueous NaOH. [Beilstein 2 H 591, 2 I 256, 2 III 1636.] IRRITANT.
Properties of Cyanoacetohydrazide
| Melting point: | 108-110 °C (lit.) |
| Boiling point: | 185.55°C (rough estimate) |
| Density | 1.3131 (rough estimate) |
| refractive index | 1.4500 (estimate) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | DMSO : 150 mg/mL (1513.78 mM) |
| pka | pK1:2.34(+2);pK2:11.17(+1) (25°C) |
| form | powder to crystal |
| color | White to Light yellow to Light orange |
| Water Solubility | almost transparency |
| Merck | 14,2680 |
| BRN | 1751498 |
| CAS DataBase Reference | 140-87-4(CAS DataBase Reference) |
| NIST Chemistry Reference | Alpha-cyanoacetic acid, hydrazide(140-87-4) |
Safety information for Cyanoacetohydrazide
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H301:Acute toxicity,oral 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. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. 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 Cyanoacetohydrazide
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