1-Methyl-1H-pyrazol-5-ol

Basic Information

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CAS Number

33641-15-5

Molecular Formula

C4H6N2O

Molecular Weight

98.1 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

110.0 to 114.0 deg-C

Boiling Point

217.7±13.0 ºC (760 Torr),

Flash Point

85.4±19.8 ºC,

SMILES

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CN1C(=O)C=CN1

InChI

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

InChIKey

CMXOTACIOGGSNH-UHFFFAOYSA-N

LogP

0.12569999999999998

Topological Polar Surface Area

38.05 Å²

Hydrogen Bond Donor/Acceptor

1 / 3

Complexity

119

Safety Information

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Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H315 Causes skin irritation
Skin corrosion/irritation

H318 Causes serious eye damage
Serious eye damage/eye irritation

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

Hazard Class

Class IRRITANT Class IRRITANT

Synonyms & References

English

33641-15-5
DTXSID301312855
5-Hydroxy-1-methyl-1H-pyrazole, 95%
5-Hydroxy-1-methylpyrazole
3310-35-8
W-202379
CMXOTACIOGGSNH-UHFFFAOYSA-N
AC-31359
AKOS016009911
AM20090516
1H-Pyrazol-5-ol, 1-methyl-
SY047635
1-methylpyrazol-5-one
2-Methyl-2H-pyrazol-3-ol;1-Methyl-1H-pyrazol-5-ol
1-methyl-5-hydroxypyrazol
JMARSTSWTFXHMC-UHFFFAOYSA-N
5-Hydroxy-1-methyl-1H-pyrazole, 97%
H1695
SB10557
MFCD05864418
AKOS005064145
2-methyl-1H-pyrazol-3(2H)-one
CS-W008402
MFCD20527389
5-Hydroxy-1-methyl-1H-pyrazole
A875426
J-509909
3-hydroxy-2-methylpyrazole
CS-0151204
AMY11909
FT-0620462

MDL Number

MFCD05864418

Customs Code

2933199090

FAQ

What regulatory guidelines apply to 1-Methyl-1H-pyrazol-5-ol (CAS: 33641-15-5)?

1-Methyl-1H-pyrazol-5-ol (CAS: 33641-15-5) should comply with the Globally Harmonized System of Classification and Labeling of Chemicals (GHS), REACH regulations, and FDA/EPA guidelines for chemical handling and environmental protection. Specific requirements may vary based on the intended use and jurisdiction.

Are there alternatives to 1-Methyl-1H-pyrazol-5-ol in synthesis?

There are several alternatives to 1-Methyl-1H-pyrazol-5-ol in synthesis, including 1H-pyrazol-5-ol, 1-ethyl-1H-pyrazol-5-ol, and other related compounds. These alternatives can be used as substitutes depending on the specific reaction conditions and desired end-product.

What is the market or research trend for 1-Methyl-1H-pyrazol-5-ol (CAS: 33641-15-5)?

Research on 1-Methyl-1H-pyrazol-5-ol (CAS: 33641-15-5) is focusing on its applications in pharmaceuticals, agrochemicals, and functional materials. Market trends indicate increasing demand due to its unique chemical properties and potential in drug development and new material discovery.

How should waste containing 1-Methyl-1H-pyrazol-5-ol (CAS: 33641-15-5) be handled?

Waste containing 1-Methyl-1H-pyrazol-5-ol (CAS: 33641-15-5) should be collected in a sealed container, stored in a well-ventilated area, and disposed of through professional waste disposal services. Incineration or other controlled destruction methods should be conducted under strict environmental protection measures to ensure compliance with local regulations.