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N-Aminoethylpiperazine

CAS No.140-31-8
Chemical Name:N-Aminoethylpiperazine
CBNumber:CB2123666
Molecular Formula:C6H15N3
Formula Weight:129.2
MOL File:140-31-8.mol

N-Aminoethylpiperazine Property

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)
UNSPSC Code 12352100
NACRES NA.22

Safety

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

Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal wordDanger
Hazard statements H302-H311-H314-H317-H412
Precautionary statements P261-P273-P280-P301+P312-P303+P361+P353-P305+P351+P338

N-Aminoethylpiperazine Price More Price(7)

Brand: Sigma-Aldrich(India)
Product number: A55209
Product name : 1-(2-Aminoethyl)piperazine
Purity: 99%
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Brand: Sigma-Aldrich(India)
Product number: A55209
Product name : 1-(2-Aminoethyl)piperazine
Purity: 99%
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Brand: Sigma-Aldrich(India)
Product number: 8.00361
Product name : 2-(1-Piperazinyl)ethylamine
Purity: for synthesis
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Product number: ALF-A10154-30
Product name : 1-(2-Aminoethyl)piperazine, 98%
Purity:
Packaging: 250g
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Product number: ALF-A10154-0B
Product name : 1-(2-Aminoethyl)piperazine, 98%
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N-Aminoethylpiperazine Chemical Properties,Usage,Production

Chemical Properties N-Aminoethypiperazine is a combustible and corrosive aliphatic amine. It is a colorless to light yellow viscous liquid.
Uses 1-(2-Aminoethyl)piperazine is utilized in a variety of reactions for studying corrosion inhibition, biological activity and metal ligand effects on catalysis. It is used for epoxy curing, surface activation, and as an asphalt additive. It is used in lube oil and fuel additives, mineral processing aids, polyamide resins, urethane chemicals, wet strength resins.
Uses Used for studying corrosion inhibition
Preparation he synthesis of N-(2-aminoethyl) piperazine from PZ and MEA in the presence of CO2 was conducted using a method similar to that of thermal degradation experiments. 7 m PZ/2 m MEA with 0.3 mol CO2 /mol alkalinity was placed in ?-inch OD 316 stainless steel thermal cylinders , which were then sealed and placed in a convection oven held at 150 °C. Cylinders were removed periodically and samples were analyzed using ion chromatography.
Definition An amine combining a primary, secondary, and ter- tiary amine in one molecule.
General Description N-aminoethylpiperazine appears as a colorless liquid with a faint fishlike odor. Flash point 199 °F. Corrosive to tissue. Toxic oxides of nitrogen are produced by combustion.
Air & Water Reactions Water soluble.
Reactivity Profile N-Aminoethylpiperazine neutralizes acids to form salts plus water in exothermic reactions. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen is generated in combination with strong reducing agents, such as hydrides.
Hazard Strong irritant to tissue.
Health Hazard INHALATION: Burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea, and vomiting. EYES AND SKIN: Extremely destructive to mucous membranes, upper respiratory tract, eyes and skin. Causes burns on short contact.
Fire Hazard Special Hazards of Combustion Products: Toxic fumes of NO x
Safety Profile Poison by intraperitoneal route. Moderately toxic by ingestion and skin contact. Experimental reproductive effects. A skin and eye irritant. Mutation data reported. See also AMINES. Moderately flammable when exposed to heat, flame, sparks, or powerful oxidlzers. To fight fire, use alcohol foam. When heated to decomposition it emits toxic fumes of NOx,.
Potential Exposure Used as an epoxy curing agent and making pharmaceuticals; synthetic fibers, and other chemicals.
Shipping UN2815 N-Aminoethylpiperazined, Hazard class: 8; Labels: 8-Corrosive material
Incompatibilities Solution is a strong base. Reacts with nitrosating agents (e.g., nitrites, nitrous gases, nitrous acid); capable of releasing carcinogenic nitrosamines. Incompatible with nonoxidizing mineral acids; strong acids; organic acids, acid chlorides; acid anhydrides; organic anhydrides; isocyanates, chloroformates, vinyl acetate; acrylates, substituted allyls; alkylene oxides; epichlorohydrin, ketones, aldehydes, alcohols, glycols, phenols, cresols, caprolactum solution; strong oxidizers. Contact with copper alloys, zinc or galvanized steel may cause violent reaction.
Toxics Screening Level The initial threshold screening level (ITSL) for aminoethylpiperazine is 0.1 μg/m3 based on an annual averaging time.
References [1] YANG DU. Aqueous Piperazine/N-(2-Aminoethyl) Piperazine for CO2 Capture☆[J]. Energy Procedia, 2013, 29 1: 1621-1638. DOI:10.1016/J.EGYPRO.2013.06.038.
[2] SHI L, WANG T Y, CHEN M J, et al. Synthesis of Aminoethylpiperazine/Formaldehyde Modified Lignin Amine Asphalt Emulsifier and Its Investigation by Online FTIR Spectrophotometry[C]. 2016: 0. DOI:10.2991/ICMSE-16.2016.23.
[3] XIAOHUI HAN . Synthesis, crystal structure, and optical property of a one-dimensional selenidostannate: [AEPPH2]2[Sn5Se12] (AEPP=N-aminoethylpiperazine)[J]. Inorganic Chemistry Communications, 2016, 63: Pages 42-47. DOI:10.1016/j.inoche.2015.11.009.