5-Amino-3-methyl-1-phenylpyrazole Chemical Properties

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

pka

3.88±0.10(Predicted)

form 

Solid

color 

Yellow to pale brown

Water Solubility 

6.051g/L at 25℃

LogP

1.76

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

Hazard Codes 

Xi,Xn

Risk Statements 

36/37/38-20/21/22

Safety Statements 

26-36

WGK Germany 

3

RTECS 

UQ4990000

Hazard Note 

Harmful

TSCA 

Yes

HazardClass 

IRRITANT

HS Code 

29331990

Toxicity

mouse,LD50,oral,1300mg/kg (1300mg/kg),BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)BEHAVIORAL: "HALLUCINATIONS, DISTORTED PERCEPTIONS",Personal Communication from LONZA Ltd., CH-4002, Basel, SwitzerlandVol. 03FEB1981,

MSDS

• Language:English Provider:SigmaAldrich

5-Amino-3-methyl-1-phenylpyrazole Usage And Synthesis

Uses

3-methyl-1-phenyl-1H-pyrazol-5-amine is a useful research chemical.

Chemical Properties

Yellow crystalline powder

Uses

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

5-Amino-3-methyl-1-phenylpyrazole(1131-18-6)Related Product Information

• Lithium bis(trimethylsilyl)amide
• Pirimiphos-methyl
• Trimethylphenylammonium chloride
• Tris(hydroxymethyl)aminomethane
• 3-Methylpyrazole
• PHENYL VALERATE
• Methyl acetate
• Methyltriphenylphosphonium bromide
• Methyl salicylate
• Thiophanate-methyl
• Tribenuron methyl
• METSULFURON METHYL
• N-Ethylmethylamine
• N,N-Dimethyl-1,4-phenylenediamine
• Dichloromethylphenylsilane
• Kresoxim-methyl
• Methyl
• Parathion-methyl