3-Amino-5-methylpyrazole
Synonym(s):5-Methyl-3-pyrazolamine
- CAS NO.：31230-17-8
- Empirical Formula: C4H7N3
- Molecular Weight: 97.12
- MDL number: MFCD00051640
- EINECS: 000-000-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-07-24 18:13:50
What is 3-Amino-5-methylpyrazole?
Chemical properties
white to light yellow crystal powde
The Uses of 3-Amino-5-methylpyrazole
3-Amino-5-methyl-1H-pyrazole was employed as beta-sheet template to investigate its interaction with ferrocenoyl-dipeptides. It is also used in the synthesis of 4-aryl-3,7,7-trimethyl-2,4,6,7,8,9-hexahydropyrazolo[3,4-b]quinolin-5-ones. It can react with 4-Ethoxymethylene-2-phenyl-4H-oxazol-5-one to get N-(2-Methyl-7-oxo-4,7-dihydro-pyrazolo[1,5-a]pyrimidin-6-yl)-benzamide.
Definition
ChEBI: 5-Methyl-3-pyrazolamine is a heterocyclic compound and a dicarboximide.
General Description
Complexation of the amino- and carboxyl-protected tripeptide with 3-amino-5-methylpyrazole was studied by low-temperature NMR experiments in a freonic solvent.
Properties of 3-Amino-5-methylpyrazole
| Melting point: | 45-47 °C (lit.) |
| Boiling point: | 213 °C/14 mmHg (lit.) |
| Density | 1.0548 (rough estimate) |
| refractive index | 1.5200 (estimate) |
| Flash point: | >230 °F |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | Soluble in Dichloromethane and Methanol. |
| pka | 15.84±0.10(Predicted) |
| form | Solid |
| color | Light yellow to orange |
| Sensitive | Air Sensitive |
| BRN | 1904 |
| Stability: | Light Sensitive |
| CAS DataBase Reference | 31230-17-8(CAS DataBase Reference) |
| EPA Substance Registry System | 1H-Pyrazol-3-amine, 5-methyl- (31230-17-8) |
Safety information for 3-Amino-5-methylpyrazole
| 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 3-Amino-5-methylpyrazole
| InChIKey | FYTLHYRDGXRYEY-UHFFFAOYSA-N |
3-Amino-5-methylpyrazole manufacturer
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