Melting point :59-61 °C (lit.)
Boiling point :194 °C/12 mmHg (lit.)
Density :1.0617 (rough estimate)
refractive index :1.4910 (estimate)
Flash point :194°C/12mm
storage temp. :-20°C
solubility :≥15.38 mg/mL in EtOH; ≥6.3 mg/mL in DMSO; ≥83.2 mg/mL in H2O
form :solid
pka :1.25±0.20(Predicted)
color :White, crystalline powder
Sensitive :Hygroscopic
Merck :14,7141
BRN :135492
Stability :Stable. Incompatible with strong oxidizing agents.
InChIKey :CWRVKFFCRWGWCS-UHFFFAOYSA-N
CAS DataBase Reference :54-95-5(CAS DataBase Reference)
NIST Chemistry Reference :Pentylenetetrazol(54-95-5)
EPA Substance Registry System :Pentetrazol (54-95-5)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.