1-Methyl-1H-pyrazol-5-amine

Basic Information

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CAS Number

1192-21-8

Molecular Formula

C4H7N3

Molecular Weight

97.12 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Amines

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Basic Physical Properties

Melting Point

gt. 69.0 and le 73.0 deg-C

Boiling Point

105°C/0.5mmHg

Density

1.22

Flash Point

93.8℃

Refractive Index

1.601

SMILES

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CN1C(=CC=N1)N

InChI

InChI=1S/C4H7N3/c1-7-4(5)2-3-6-7/h2-3H,5H2,1H3

InChIKey

JESRNIJXVIFVOV-UHFFFAOYSA-N

LogP

0.0023000000000000798

Topological Polar Surface Area

43.84 Å²

Hydrogen Bond Donor/Acceptor

2 / 3

Complexity

Safety Information

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Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

Hazard Class

Class 6.1 Class 6.1

Synonyms & References

English

JESRNIJXVIFVOV-UHFFFAOYSA-N
AKOS000308998
J-504863
2-methylpyrazol-3-amine
2-methyl-2H-pyrazole-3-ylamine
1192-21-8
NSC 76510
EN300-55088
4T-0063
Q2O
1-methyl-1H-pyrazole-5-amine
SDCCGMLS-0066107.P001
W-200924
3,4,5-TRIMETHOXYCINNAMICACIDANHYDRIDE
AM803021
1-methyl-1h-pyrazol-5-ylamine
1H-Pyrazol-5-amine, 1-methyl-
5-amino-1-methyl-pyrazole
1-methyl-1H-pyrazol-5-ylamine, AldrichCPR
BP-10340
NSC-76510
5-amino-1-methyl-1h-pyrazole
SY003710
MFCD00068156
FT-0601399
2-methyl pyrazole-3-amine
1-Methylpyrazol-5-amine
1-methyl-1H-pyrazol-5-amine
5-Amino-1-methylpyrazole
PB33809
F8887-4800

MDL Number

MFCD00068156

Customs Code

2933199090

FAQ

What are the physical and chemical properties of 1-Methyl-1H-pyrazol-5-amine (CAS: 1192-21-8)?

1-Methyl-1H-pyrazol-5-amine is a crystalline solid with a molecular weight of approximately 119.13 g/mol. It is slightly soluble in water and ethanol. Chemically, it is mildly basic and can react with acids to form salts. It is stable under normal conditions but should be stored in a closed container to prevent moisture absorption.

How is 1-Methyl-1H-pyrazol-5-amine (CAS: 1192-21-8) typically synthesized?

1-Methyl-1H-pyrazol-5-amine is commonly synthesized via the reaction of 1-methylpyrazole with ammonia. The synthesis is conducted under basic conditions, and the product is obtained with good yield and selectivity. Catalysts such as sodium hydroxide are often used to facilitate the reaction.

What industries use 1-Methyl-1H-pyrazol-5-amine (CAS: 1192-21-8)?

1-Methyl-1H-pyrazol-5-amine finds applications in the pharmaceutical industry for the synthesis of certain drugs, as well as in the sensor technology sector for the development of gas sensors. It is also used in the preparation of polymers and as a precursor in semiconductor manufacturing.

What precautions should be taken when handling 1-Methyl-1H-pyrazol-5-amine (CAS: 1192-21-8)?

When handling 1-Methyl-1H-pyrazol-5-amine, it is important to use personal protective equipment (PPE) such as gloves and goggles. Work should be performed in a well-ventilated area or fume hood. Spills should be cleaned up using appropriate absorbent materials, and the area should be thoroughly washed down. Always refer to the Safety Data Sheet (SDS) for detailed safety information and guidelines.