5-Amino-3-methyl-1-phenylpyrazole
- CAS NO.：1131-18-6
- Empirical Formula: C10H11N3
- Molecular Weight: 173.21
- MDL number: MFCD00020727
- EINECS: 214-463-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-07-18 18:48:51
What is 5-Amino-3-methyl-1-phenylpyrazole?
Chemical properties
Yellow crystalline powder
The Uses of 5-Amino-3-methyl-1-phenylpyrazole
5-Amino-3-methyl-1-phenylpyrazole may be used to synthesize:
- substituted pyrazoles
- pyrazolopyridine derivatives
- pyrazolo[3,4,-b]pyridines
General Description
5-Amino-3-methyl-1-phenylpyrazole is an aminopyrazole derivative. It reacts with 6-methyl-4-oxo-4H-[1]-benzopyran-3-carboxaldehyde to yield 5-(2-hydroxy-5-methylbenzoyl)-3-methyl-1-phenyl-1H-pyrazolo[3,4-b]pyridine and 2-methoxy-6-methyl-3-(3-methyl-1-phenylpyrazol-5-ylaminomethylene)chroman-4-one.
Flammability and Explosibility
Not classified
Properties of 5-Amino-3-methyl-1-phenylpyrazole
| Melting point: | 114-117 °C (lit.) |
| Boiling point: | 333 °C |
| Density | 1.2894 (rough estimate) |
| vapor pressure | 0.006Pa at 25℃ |
| refractive index | 1.6250 (estimate) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| form | Solid |
| pka | 3.88±0.10(Predicted) |
| color | Yellow to pale brown |
| Water Solubility | 6.051g/L at 25℃ |
| CAS DataBase Reference | 1131-18-6(CAS DataBase Reference) |
| NIST Chemistry Reference | 1H-Pyrazol-5-amine, 3-methyl-1-phenyl-(1131-18-6) |
| EPA Substance Registry System | 1H-Pyrazol-5-amine, 3-methyl-1-phenyl- (1131-18-6) |
Safety information for 5-Amino-3-methyl-1-phenylpyrazole
| 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 5-Amino-3-methyl-1-phenylpyrazole
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