5-Chloropyrazolo[1,5-a]pyrimidin-7(1H)-one Structure

5-Chloropyrazolo[1,5-a]pyrimidin-7(1H)-one

Chemical Properties

Melting point 298-300 °C (decomp)
Boiling point 302.4±52.0 °C(Predicted)
Density  1.71±0.1 g/cm3(Predicted)
storage temp.  under inert gas (nitrogen or Argon) at 2-8°C
pka -2.58±0.40(Predicted)
form  solid
Appearance White to off-white Solid
InChI 1S/C6H4ClN3O/c7-4-3-6(11)10-5(9-4)1-2-8-10/h1-3,9H
InChIKey QNNBWYYLICBZOI-UHFFFAOYSA-N
UNSPSC Code 12352101

Safety

Symbol(GHS) Exclamation Mark (GHS07)
Signal wordWarning
Hazard statements H302-H315-H319-H335
Precautionary statements P261-P305+P351+P338
WGK Germany  WGK 3
Storage Class 11 - Combustible Solids
Hazard Classifications Aquatic Chronic 1
Eye Irrit. 2
Skin Irrit. 2
Skin Sens. 1

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