3,5-二甲基-1H-吡唑

3,5-Dimethyl-1H-pyrazole is combined with Chromium(VI)?- oxide, is a valuable reagent for oxidation of primary and secondary alcohols to carbonyl compounds. It reacts with malonic esters gives a family of cross-conjugated monomeric betaines. It is a common reagent for the preparation of pyrazolato ligated complexes. It is also used to prepare N-1-substituted derivatives having antibacterial activity.

Store away from oxidizing agents. Store in a cool, dry condition in well sealed containers.

MFCD00005243

200-657-5

C₅H₈N₂

96.13

105-108°

218°

Ambient temperatures.

Crystalline powder

Soluble in water, methanol 0.1 g/mL.

106325

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

26-36/37-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing and gloves.This material and its container must be disposed of as hazardous waste

UQ6477600

 

是

 

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.