Melting point :34-37 °C (lit.)
Boiling point :218 °C/122 mmHg (lit.)
Density :1.0248 (rough estimate)
refractive index :1.5060 (estimate)
Flash point :>230 °F
storage temp. :Keep in dark place,Inert atmosphere,2-8°C
solubility :soluble in Methanol
pka :15.28±0.10(Predicted)
form :Oily Liquid or Crystalline Low Melting Solid
color :White to light yellow
Sensitive :Air & Light Sensitive
BRN :1618
InChIKey :JVVRJMXHNUAPHW-UHFFFAOYSA-N
CAS DataBase Reference :1820-80-0(CAS DataBase Reference)
NIST Chemistry Reference :3(5)-aminopyrazole(1820-80-0)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
Precautionary statements:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.