415308
1-Ethylpiperazine
98%
Synonym(s):
N-Ethylpiperazine
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About This Item
Empirical Formula (Hill Notation):
C6H14N2
CAS Number:
Molecular Weight:
114.19
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
226-166-6
Beilstein/REAXYS Number:
102971
MDL number:
Assay:
98%
Form:
liquid
InChI key
WGCYRFWNGRMRJA-UHFFFAOYSA-N
InChI
1S/C6H14N2/c1-2-8-5-3-7-4-6-8/h7H,2-6H2,1H3
SMILES string
CCN1CCNCC1
assay
98%
form
liquid
refractive index
n20/D 1.469 (lit.)
bp
157 °C (lit.)
density
0.899 g/mL at 25 °C (lit.)
Related Categories
Application
1-Ethylpiperazine may be used in the preparation of 2-(2-methoxy-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)-1H-benzo[d]imidazole hydrochloride and 2-(5-((4-ethylpiperazin-1-yl)sulfonyl)-2-methoxyphenyl)-1H-benzo[d]imidazole hydrochloride.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B - Skin Sens. 1B - STOT SE 3
target_organs
Respiratory system
Storage Class
3 - Flammable liquids
wgk
WGK 1
flash_point_f
109.4 °F - closed cup
flash_point_c
43 °C - closed cup
ppe
Eyeshields, Gloves, type ABEK (EN14387) respirator filter
Regulatory Information
危险化学品
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Surajit Maity et al.
Physical chemistry chemical physics : PCCP, 12(23), 6150-6156 (2010-04-14)
The structures of the binary complexes between phenylacetylene and several tertiary amines viz., triethylamine, 1-ethylpiperidine, 1-ethylpiperazine, 1-azabicyclo[2.2.2]octane, and 1,4-diazabicyclo[2.2.2]octane were inferred using infrared-optical double resonance spectroscopy. The IR spectra in the acetylenic C-H stretching region clearly rule out the formation
pKa Values of Some Piperazines at (298, 303, 313, and 323)K.
Khalili F, et al.
Journal of Chemical and Engineering Data, 54(10), 2914-2917 (2009)
Amjad M Qandil
Pharmaceuticals (Basel, Switzerland), 5(5), 460-468 (2012-01-01)
A group of benzimidazole analogs of sildenafil, 3-benzimidazolyl-4-methoxy-phenylsulfonylpiperazines 2-4 and 3-benzimidazolyl-4-methoxy-N,N-dimethyl- benzenesulfonamide (5), were efficiently synthesized. Compounds 2-5 were characterized by NMR and MS and contrary to the reported mass spectra of sildenafil, the spectra of the piperazine-containing compounds 2-4
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