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HomeProduct name list1-Methylpyrazole

1-Methylpyrazole

  • CAS NO.:930-36-9
  • Empirical Formula: C4H6N2
  • Molecular Weight: 82.1
  • MDL number: MFCD00144943
  • EINECS: 618-896-2
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-10 11:33:04
1-Methylpyrazole Structural

What is 1-Methylpyrazole?

Chemical properties

clear colorless to light yellow liquid

The Uses of 1-Methylpyrazole

1-Methylpyrazole is a useful synthetic intermediate. It is used to synthesize heteroaryl(fluorophenyl)piperidinylindoles as α1 adrenoceptor antagonists. It is also used to prepare quinazoline derivatives as glucokinase activators.

Definition

ChEBI: A member of the class of pyrazoles that is the 1-methyl derivative of 1H-pyrazole.

Properties of 1-Methylpyrazole

Melting point: 36.5°C (estimate)
Boiling point: 127 °C
Density  0.988 g/mL at 20 °C (lit.)
refractive index  n20/D 1.477
Flash point: 35 °C
storage temp.  Inert atmosphere,Room Temperature
Water Solubility  Soluble in water
form  Liquid
pka 2.25±0.10(Predicted)
color  Clear colorless to light yellow
BRN  105207
InChI InChI=1S/C4H6N2/c1-6-4-2-3-5-6/h2-4H,1H3
CAS DataBase Reference 930-36-9(CAS DataBase Reference)
NIST Chemistry Reference 1-methylpyrazole(930-36-9)

Safety information for 1-Methylpyrazole

Signal word Warning
Pictogram(s)
ghs
Flame
Flammables
GHS02
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H226:Flammable liquids
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
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 1-Methylpyrazole

InChIKey UQFQONCQIQEYPJ-UHFFFAOYSA-N
SMILES N1(C)C=CC=N1

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