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HomeProduct name list3-Methyl-3-pyrazolin-5-one

3-Methyl-3-pyrazolin-5-one

3-Methyl-3-pyrazolin-5-one Structural

What is 3-Methyl-3-pyrazolin-5-one?

Chemical properties

Light yellow crystalline powder

The Uses of 3-Methyl-3-pyrazolin-5-one

3-Methyl-3-pyrazolin-5-one was used in the preparation of substituted 4-alkyl(cycloalkyl)-2-amino-3-cyano-4H-pyrans.

General Description

3-Methyl-3-pyrazolin-5-one is an intermediate in the synthesis of heterocyclic compounds. Crystal structure of 3-methyl-3-pyrazolin-5-one was studied.

Properties of 3-Methyl-3-pyrazolin-5-one

Melting point: 223-225 °C (lit.)
Density  1.107±0.06 g/cm3(Predicted)
storage temp.  Keep in dark place,Inert atmosphere,Room temperature
solubility  1 M NH4OH: soluble25mg/mL, clear, colorless (in methanol)
pka 9.04±0.70(Predicted)
color  Off White
CAS DataBase Reference 4344-87-0(CAS DataBase Reference)

Safety information for 3-Methyl-3-pyrazolin-5-one

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P271:Use only outdoors or in a well-ventilated area.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
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 3-Methyl-3-pyrazolin-5-one

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