ChemicalBook > CAS DataBase List > N-Aminoethylpiperazine

N-Aminoethylpiperazine

Product Name
N-Aminoethylpiperazine
CAS No.
140-31-8
Chemical Name
N-Aminoethylpiperazine
Synonyms
AEP;AMINOETHYLPIPERAZINE;1-(2-AMINOETHYL)PIPERAZINE;N-AEP;N-(2-AMINOETHYL)PIPERAZINE;1-piperazineethanamine;2-(Piperazin-1-yl)ethanaMine;D.E.H. 39;usafdo-46;USAF do-46
CBNumber
CB2123666
Molecular Formula
C6H15N3
Formula Weight
129.2
MOL File
140-31-8.mol
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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)
NIST Chemistry Reference
N-(2-Aminoethyl)piperazine(140-31-8)
EPA Substance Registry System
1-Piperazineethanamine (140-31-8)
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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
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H302Harmful if swallowed

H311Toxic in contact with skin

H314Causes severe skin burns and eye damage

H317May cause an allergic skin reaction

H412Harmful to aquatic life with long lasting effects

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
A55209
Product name
1-(2-Aminoethyl)piperazine
Purity
99%
Packaging
100g
Price
$28
Updated
2024/03/01
Sigma-Aldrich
Product number
A55209
Product name
1-(2-Aminoethyl)piperazine
Purity
99%
Packaging
500g
Price
$73.7
Updated
2024/03/01
Sigma-Aldrich
Product number
8.00361
Product name
2-(1-Piperazinyl)ethylamine
Purity
for synthesis
Packaging
250ML
Price
$43.4
Updated
2024/03/01
TCI Chemical
Product number
A0304
Product name
N-(2-Aminoethyl)piperazine
Purity
>99.0%(GC)(T)
Packaging
25mL
Price
$23
Updated
2024/03/01
TCI Chemical
Product number
A0304
Product name
N-(2-Aminoethyl)piperazine
Purity
>99.0%(GC)(T)
Packaging
500mL
Price
$55
Updated
2024/03/01
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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

Definition

An amine combining a primary, secondary, and ter- tiary amine in one molecule.

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.

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.

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.

N-Aminoethylpiperazine Preparation Products And Raw materials

Raw materials

2-Chloroethylamine hydrochloride Potassium carbonate Piperazine Dichloroethane Ammonia

Preparation Products

Ethylenediamine 3-[(Benzyloxycarbonyl)amino]propionaldehyde
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View Lastest Price from N-Aminoethylpiperazine manufacturers

Hebei Weibang Biotechnology Co., Ltd
Product
N-Aminoethylpiperazine 140-31-8
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2024-11-01
Hebei Chuanghai Biotechnology Co,.LTD
Product
N-Aminoethylpiperazine 140-31-8
Price
US $1.70/kg
Min. Order
10kg
Purity
99%
Supply Ability
10000kg
Release date
2024-08-21
Hebei Mojin Biotechnology Co., Ltd
Product
N-Aminoethylpiperazine 140-31-8
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
50000KG/month
Release date
2023-09-14

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