1-methyl-5-hydroxypyrazol

Name	5-Hydroxy-1-methylpyrazole
Synonyms	N-Heptyl isocyanate 1-Methylpyrazol-5-ol 1-methyl-1H-pyrazol-5-ol 1-methyl-5-hydroxypyrazol 5-Hydroxy-1-methylpyrazole 1-Methyl-5-hydroxypyrazole 5-Hydroxy-1-Methyl-5-pyrazole 1-Methyl-5-hydroxy-1H-pyrazole
CAS	33641-15-5
InChI	InChI=1/C4H6N2O/c1-6-4(7)2-3-5-6/h2-3,7H,1H3
InChIKey	CMXOTACIOGGSNH-UHFFFAOYSA-N

Molecular Formula	C4H6N2O
Molar Mass	98.1
Density	1.22±0.1 g/cm3(Predicted)
Melting Point	110-114°C
Boling Point	217.7±13.0 °C(Predicted)
Flash Point	85.439°C
Vapor Presure	0.089mmHg at 25°C
Appearance	powder to crystal
Color	White to Orange to Green
pKa	9.07±0.23(Predicted)
Storage Condition	Inert atmosphere,Room Temperature
Refractive Index	1.568

Hazard Symbols	Xn - Harmful
Risk Codes	R22 - Harmful if swallowed R37/38 - Irritating to respiratory system and skin. R41 - Risk of serious damage to eyes
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S39 - Wear eye / face protection.
WGK Germany	3
Hazard Class	IRRITANT

Use	1-methyl-5-hydroxypyrazole is a pyrazole derivative, used as an intermediate for the preparation of herbicides 1-Methyl-5-hydroxypyrazole is a pyrazole derivative used as an intermediate in the preparation of herbicides.

Last Update：2024-04-10 22:29:15

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