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.