5-hydroxy-1-methyl-1H-pyrazole, CAS No. 33641-15-5 - iChemical

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5-hydroxy-1-methyl-1H-pyrazole,CAS No. 33641-15-5.

5-hydroxy-1-methyl-1H-pyrazole CAS No.33641-15-5 / Cat No.EBD9393

Formula: C4H6N2O

Molecular Weight:98.1

Synonyms:

5-hydroxy-1-methyl-1H-pyrazole

5-Hydroxy-1-methylpyrazole

N-Heptyl isocyanate

1-methyl-1H-pyrazol-5-ol

1-methyl-1H-pyrazol-5-ol

1-methyl-1H-pyrazol-5-ol

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Packaging	Purity	Availability	Price (USD)	Quantity
500.0g	98	Available to ship on 04-Aug-2025	300.9	- +	ADD TO CART
1000.0g	98	Available to ship on 04-Aug-2025	389.35	- +	ADD TO CART

Properties
Safety Information
NMR Spectrum

Properties

Density:

1.229 g/cm3
Melting point:

110-114 °C
Boiling point:

217.662 °C at 760 mmHg
Flashing point:

85.439 °C

Safety Information

Symbol:
Signal words:

Danger
Hazard statements:

H302 Harmful if swallowed.

H315 Causes skin irritation.

H318 Causes serious eye damage.

H335 May cause respiratory irritation.
Precautionary statements:

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

P280 Wear protective gloves/protective clothing/eye protection/face protection.

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

NMR Spectrum

Prediction： 1 H NMR (400 MHz, DMSO-d6) delta ppm 7.02 (d, J=1.76 Hz, 1 H), 5.23 (d, J=1.95 Hz, 1 H), 3.42 (s, 3 H), 2.44 (dt, J=3.71 , 1.86 Hz, 1 H)

¹H NMR

¹³C NMR

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Suggested Compounds

Cas No.: 534-17-8

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