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Piperazine Structure

Piperazine

Chemical Properties

Melting point 109-112 °C (lit.)
Boiling point 145-146 °C (lit.)
Density  1,1 g/cm3
vapor pressure  0.8 mm Hg ( 20 °C)
FEMA  4250 | PIPERAZINE
refractive index  1.4460
Flash point 65 °C
storage temp.  Store below +30°C.
solubility  H2O: 0.1 M at 20 °C, clear, colorless
form  Crystalline Flakes
pka 9.83(at 23℃)
color  White to slightly yellow
Odor at 0.10 % in dipropylene glycol. ammoniacal
PH 11.0-12.5 (25℃, 0.1M in H2O)
explosive limit 14%
Odor Type ammoniacal
Water Solubility  150 g/L (20 ºC)
Sensitive  Air Sensitive & Hygroscopic
λmax λ: 260 nm Amax: 0.035
λ: 280 nm Amax: 0.010
JECFA Number 1615
Merck  14,7464
BRN  102555
Exposure limits ACGIH: TWA 0.03 ppm
Stability Stable. Hygroscopic. Light sensitive. Flammable. Incompatible with strong oxidizing agents.
InChIKey GLUUGHFHXGJENI-UHFFFAOYSA-N
LogP -1.24 at 20-25℃
FDA 21 CFR 556.513; 175.105
Substances Added to Food (formerly EAFUS) PIPERAZINE
CAS DataBase Reference 110-85-0(CAS DataBase Reference)
EWG's Food Scores 2-3
FDA UNII 1RTM4PAL0V
ATC code P02CB01
NIST Chemistry Reference Piperazine(110-85-0)
EPA Substance Registry System Piperazine (110-85-0)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H315-H319
Precautionary statements P305+P351+P338
Hazard Codes  C,Xn
Risk Statements  34-42/43-52/53-62-52-63
Safety Statements  22-26-36/37/39-45-61
RIDADR  UN 2579 8/PG 3
WGK Germany  1
RTECS  TK7800000
3-8-23
Hazard Note  Harmful/Corrosive
TSCA  Yes
HS Code  2933 59 95
HazardClass  8
PackingGroup  III
Hazardous Substances Data 110-85-0(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 2600 mg/kg LD50 dermal Rabbit 8300 mg/kg
NFPA 704:
2
3 0

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