1-Methylpyrazole

Basic Information

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CAS Number

930-36-9

Molecular Formula

C4H6N2

Molecular Weight

82.11 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Basic Physical Properties

Melting Point

36.5°C (estimate)

Boiling Point

127°C

Density

0.988 g/mL at 20 °C

Refractive Index

n20/D 1.477

SMILES

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CN1C=CC=N1

InChI

InChI=1S/C4H6N2/c1-6-4-2-3-5-6/h2-4H,1H3

InChIKey

UQFQONCQIQEYPJ-UHFFFAOYSA-N

LogP

0.4200999999999999

Topological Polar Surface Area

17.82 Å²

Hydrogen Bond Donor/Acceptor

0 / 2

Complexity

44.8

Safety Information

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GHS Hazard Pictograms

H226

H315

H319

H335

Hazard Statement

H226 Flammable liquid and vapor
Flammable liquids

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Hazard Class

Class 3 Class 3

Synonyms & References

English

1-Methylpyrazole
1-METHYL-1H-PYRAZOLE
AKOS PAO-1140
N-METHYLPYRAZOLE
TRIS-1-PYRAZOLYLMETHANE
1H-Pyrazole, 1-methyl-
methylpyrazole
Pyrazole, 1-methyl-
1H-Pyrazole,1-methyl
1-Methylpyrazol
1-METHYL-PYRAZOLE
1-METHYLPYRAZOLE FOR SYNTHESIS
1-METHYPYRAZOLE
Pyrazole,1-methyl
Pyrazole, 1-methyl- (6CI,7CI,8CI)
Methylpyrazole,98%
1-Methyl-1H-pyrazole (ACI)
Pyrazole, 1-methyl- (6CI, 7CI, 8CI)
1-methyl-1H-pyrazole
930-36-9
1-Methyl-1H-pyrazole #
BCP23265
N-Methylpyrazole
CHEBI:59025
DTXSID40239231
PB33818
1-Methypyrazole
MFCD00144943
Z336081430
ALBB-004426
MS-1808

MDL Number

MFCD00144943

Customs Code

2933199090

FAQ

What is 1-Methylpyrazole (CAS: 930-36-9)?

1-Methylpyrazole is a heterocyclic organic compound with the chemical formula C4H6N2. It is a colorless liquid with a characteristic odor and is commonly used as an intermediate in the synthesis of various pharmaceutical and agrochemical compounds. Its structure consists of a pyrazole ring with a methyl group attached to one of the nitrogen atoms, giving it unique chemical reactivity and stability properties.

What are the main uses of 1-Methylpyrazole (CAS: 930-36-9)?

1-Methylpyrazole is widely used in pharmaceuticals for the development of drugs targeting neurological and cardiovascular conditions. It also serves as a key component in the production of pesticides and dyes. Additionally, it is utilized in research for its role as a building block in organic synthesis and as a precursor for other pyrazole derivatives. Its versatility makes it valuable in multiple industrial applications.

Is 1-Methylpyrazole (CAS: 930-36-9) safe?

1-Methylpyrazole is generally considered safe when handled properly, but it should be treated with caution. It has low toxicity in acute exposure, though prolonged or high-dose exposure may pose health risks. Protective measures such as gloves, goggles, and proper ventilation are recommended. Safety data sheets (SDS) should be consulted for detailed handling and disposal guidelines to ensure compliance with regulatory standards.

How should 1-Methylpyrazole (CAS: 930-36-9) be stored?

1-Methylpyrazole should be stored in a cool, dry, and well-ventilated area, away from light and moisture. It is best kept in a sealed container made of glass or plastic, and should be maintained at a temperature below 25°C. Avoid exposure to air and incompatible materials to ensure stability and prevent degradation over time.