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N-Aminoethylpiperazine Structure

N-Aminoethylpiperazine

Chemical Properties

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)
FDA UNII I86052F9F6
NIST Chemistry Reference N-(2-Aminoethyl)piperazine(140-31-8)
EPA Substance Registry System 1-Piperazineethanamine (140-31-8)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H302-H311-H314-H317-H412
Precautionary statements P261-P273-P280-P301+P312-P303+P361+P353-P305+P351+P338
Hazard Codes  C
Risk Statements  21/22-34-43-52/53
Safety Statements  26-36/37/39-45-61
RIDADR  UN 2815 8/PG 3
WGK Germany  2
RTECS  TK8050000
Autoignition Temperature 315 °C
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  29335995
Hazardous Substances Data 140-31-8(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 1470 mg/kg
NFPA 704:
2
2 0

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