Melting point :-19 °C
Boiling point :218-222 °C(lit.)
Density :0.985 g/mL at 25 °C(lit.)
vapor density :4.4 (vs air)
vapor pressure :0.05 mm Hg ( 20 °C)
refractive index :n20/D 1.500
Flash point :200 °F
storage temp. :Store below +30°C.
solubility :>1000g/l
form :Liquid
pka :10.11±0.10(Predicted)
color :Clear colorless to slightly yellow
PH :12 (100g/l, H2O, 20℃)
explosive limit :2.1-10.5%(V)
Water Solubility :soluble
Sensitive :Air Sensitive
BRN :104363
Stability :Stable. Flammable. Incompatible with acids, acid anhydrides, acid chlorides, strong oxidizing agents, chloroformates.
LogP :-1.48 at 20℃
CAS DataBase Reference :140-31-8(CAS DataBase Reference)
NIST Chemistry Reference :N-(2-Aminoethyl)piperazine(140-31-8)
EPA Substance Registry System :1-Piperazineethanamine (140-31-8)

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 H311 Toxic in contact with skin Acute toxicity,dermal Category 3 Danger P280, P302+P352, P312, P322, P361,P363, P405, 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 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P273 Avoid release to the environment. 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.