ChemicalBook--->CAS DataBase List--->1120-82-7

1120-82-7

1120-82-7 Structure

1120-82-7 Structure
IdentificationBack Directory
[Name]

PYRAZOL-1-YL-METHANOL
[CAS]

1120-82-7
[Synonyms]

NSC 50562.
1-Pyrazolylmethanol
PYRAZOL-1-YL-METHANOL
1H-Pyrazole-1-methanol
PYRAZOLE-1-YL-METHANOL
1H-pyrazol-1-ylMethanol
1-(Hydroxymethyl)pyrazole
N-(Hydroxymethyl)pyrazole
Pyrazole-1-methanol(7CI,8CI)
1-(hydroxymethyl)-1H-pyrazole
[Molecular Formula]

C4H6N2O
[MDL Number]

MFCD00955584
[MOL File]

1120-82-7.mol
[Molecular Weight]

98.1
Chemical PropertiesBack Directory
[Melting point ]

89-90℃ (ethanol water )
[Boiling point ]

214.0±23.0℃ (760 Torr)
[density ]

1.21±0.1 g/cm3 (20 ºC 760 Torr)
[Fp ]

83.2±22.6℃
[storage temp. ]

Sealed in dry,Room Temperature
[pka]

13.14±0.10(Predicted)
[Appearance]

White to off-white Solid
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H332-H335
[Precautionary statements ]

P261-P280-P305+P351+P338
Spectrum DetailBack Directory
[Spectrum Detail]

PYRAZOL-1-YL-METHANOL(1120-82-7)1HNMR
Hazard InformationBack Directory
[Synthesis]

Pyrazole

288-13-1

Methanol

67-56-1

PYRAZOL-1-YL-METHANOL

1120-82-7

To a round-bottomed flask containing pyrazole (144 mmol, 100 g) and methanol (~200 mL), formaldehyde (131 g, 37% aqueous solution) was slowly added. The reaction mixture was stirred continuously at 25 °C for 4 h until a homogeneous solution (0193) was formed. Subsequently, the solvent was removed by distillation under reduced pressure and dried under vacuum for several hours to give the final 1-pyrazole methanol (127 g, 90% yield).

[References]

[1] Patent: WO2016/191677, 2016, A1. Location in patent: Paragraph 0110
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