4-甲基吡唑

4-Methyl-1H-pyrazole is used as an antidote in methanol and ethylene glycol poisoning. It is also employed as an alcohol dehydrogenase inhibitor. It acts a ligand in coordination chemistry. Further, it serves as an intermediate in organic synthesis.

Hygroscopic. Incompatible withstrong oxidizing agents, strong acids, acid chlorides, acid anhydrides and chloroformates.

MFCD00005245

231-445-0

C₄H₆N₂

82.11

13°

204-207°

96°(204°F)

1.018

1.4945

Air Sensitive. Ambient temperatures.

Liquid

Miscible with water, ether, benzene and alcohol.

105204

14,4216

III

22-36/37/38
Harmful if swallowed.Irritating to eyes, respiratory system and skin.

8

26-36/37
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing and gloves.

UQ7350000

 

否

 

H302-H315-H319-H335
Harmful if swallowed.Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.

P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.