1-Methyl-1H-pyrazol-4-ol

Basic Information

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CAS Number

78242-20-3

Molecular Formula

C4H6N2O

Molecular Weight

98.1 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Basic Physical Properties

Boiling Point

217.7±13.0 ºC (760 Torr),

Density

1.22±0.1 g/cm3 (20 ºC 760 Torr),

Flash Point

85.4±19.8 ºC,

SMILES

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CN1C=C(C=N1)O

InChI

InChI=1S/C4H6N2O/c1-6-3-4(7)2-5-6/h2-3,7H,1H3

InChIKey

FQASUNMXKLPOOF-UHFFFAOYSA-N

LogP

0.12569999999999987

Topological Polar Surface Area

38.05 Å²

Hydrogen Bond Donor/Acceptor

1 / 3

Complexity

66.7

Safety Information

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Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

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

Synonyms & References

English

78242-20-3
W16286
Y5106; 1H-Pyrazol-4-ol,1-methyl; 1-Methyl-1H-pyrazol-4-ol;
1H-Pyrazol-4-ol, 1-methyl-
F8880-5488
AMY1942
A903329
AKOS017520628
EN300-85788
1-methyl-4-hydroxypyrazole
FQASUNMXKLPOOF-UHFFFAOYSA-N
1-methyl-4-hydroxy-1H-pyrazole
AS-58260
4-Hydroxy-1-methyl-1H-pyrazole
SY111384
MFCD22414500
1-methylpyrazol-4-ol
CS-0044173
Z1258763763
1-Methyl-1H-pyrazol-4-ol
AK311462
Y5106
Z1492781185
1-methyl-1H-pyrazol-4-ol

MDL Number

MFCD22414500

FAQ

What regulatory guidelines apply to 1-Methyl-1H-pyrazol-4-ol (CAS: 78242-20-3)?

1-Methyl-1H-pyrazol-4-ol (CAS: 78242-20-3) falls under the scope of the Globally Harmonized System of Classification and Labeling of Chemicals (GHS), requiring proper hazard communication such as safety data sheets (SDS) and labels. In Europe, it is regulated under REACH for registration, evaluation, authorization, and restriction of chemicals. Additionally, the FDA and EPA may have specific requirements for its use in pharmaceutical and agricultural applications, respectively.

Are there alternatives to 1-Methyl-1H-pyrazol-4-ol (CAS: 78242-20-3) in synthesis?

There are several alternatives to 1-Methyl-1H-pyrazol-4-ol (CAS: 78242-20-3) that can be used in synthesis, including 1-Hydroxypyrazole and 1-Ethyl-1H-pyrazol-4-ol. These compounds can offer similar functional properties and can be used as replacements depending on the specific requirements of the synthesis.

What is the market or research trend for 1-Methyl-1H-pyrazol-4-ol (CAS: 78242-20-3)?

The market for 1-Methyl-1H-pyrazol-4-ol (CAS: 78242-20-3) is steadily growing due to its applications in the pharmaceutical and chemical industries. Research trends are focusing on its use as a precursor in the synthesis of pharmaceuticals and in developing new materials. Recent studies also indicate its potential in anti-inflammatory and anti-cancer applications, driving demand and innovation in the field.

How should waste containing 1-Methyl-1H-pyrazol-4-ol (CAS: 78242-20-3) be handled?

Waste containing 1-Methyl-1H-pyrazol-4-ol (CAS: 78242-20-3) should be collected in appropriate containers and disposed of according to local regulations. For environmental safety, incineration or professional waste disposal services are recommended. Proper precautions should be taken to prevent contamination of soil and water, and all waste should be managed in compliance with the Globally Harmonized System (GHS) and relevant environmental protection laws.