1-[2-(2-Hydroxyethoxy)ethyl]piperazine NEW
Price | $20 |
Package | 1kg |
Min. Order: | 1kg |
Supply Ability: | 1000/tons |
Update Time: | 2024-03-25 |
Product Details
Product Name: 1-[2-(2-Hydroxyethoxy)ethyl]piperazine | CAS No.: 13349-82-1 |
Min. Order: 1kg | Purity: 99% |
Supply Ability: 1000/tons | Release date: 2024/03/25 |
Chinese name: 2-[2-(1-piperazinyl) ethoxy] ethanol
English name: 1 - Hydroxyethylethoxypiperazine
CAS: 13349-82-1
Molecular formula: C8H18N2O2
MDL number: MFCD00074931
Molecular weight: 174.24
Appearance: reddish brown oily liquid or light yellow viscous liquid or white crystalline powder.
Appearance: Boiling point 112-114℃ (33Pa), relative density 1.061.
Boiling point: 112-114 °C0.25 mm Hg(lit.)
Density: 1.061 g/mL at 25 °C(lit.)
Refractive index: n20/D 1.497(lit.)
Flash point: > 230 °F
Storage conditions: Keep in dark place,Inert atmosphere,Room temperature
Solubility: Soluble in acetone (a little), chloroform (a little), methanol (a little)
Acidity coefficient (pKa) : 14.41±0.10(Predicted)
Form: Liquid
Specific gravity: 1.061
Color: clear colorless to yellowish brown
InChI: InChI=1S/C8H18N2O2/c11-6-8-12-7-5-10-3-1-9-2-4-10/h9,11H,1-8H2
InChIKey: FLNQAPQQAZVRDA-UHFFFAOYSA-N
SMILES: C(O)COCCN1CCNCC1
category
Pharmaceutical intermediates: piperazines
Use 1
Used as a pharmaceutical intermediate
Preparation method
Method one
It is obtained by condensation of piperazine and chloroethoxyethanol. Piperazine hexahydrate and piperazine dihydrochloride were added to the reaction pot, stirred and heated to 140℃, steamed away the water, and piperazine hydrochloride was obtained. Cool to 120℃ and add chloroethoxyethanol. Add up, heat up to 150-155℃, reaction for 4h, put in cold ethanol while hot, cool to 0-5℃. Filtrate, add sodium hydroxide solution to neutralize, filter out sodium chloride, steam ethanol, and get the finished product. The yield is 60%.
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