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109-01-3 - 1-Methylpiperazine, 98+% - A10837 - Alfa Aesar

A10837 1-Methylpiperazine, 98+%

CAS-Nummer
109-01-3
Synonyme

Größe Preis ($) Menge Verfügbarkeit
100ml 23,59
500ml 99,19
2500ml 343,74
Zum Warenkorb hinzufügen Zur Angebotsanfrage hinzufügen Artikel anzeigen

1-Methylpiperazine, 98+%

MDL
MFCD00005966
EINECS
203-639-5

Chemische Eigenschaften

Formel
C5H12N2
Molmasse
100.17
Schmelzpunkt
-6°
Siedepunkt
137-139°
Flammpunkt
34°(93°F)
Dichte
0.903
Brechungsindex
1.4655
Sensitivität
Air Sensitive
Löslichkeit
Miscible with water and methanol.

Anwendungen

1-Methylpiperazine is used in the preparation of 2-(4-methyl-1-piperazinylmethyl)acrylophenone. It is involved in the preparation of 1-(4-methoxy-phenyl)-4-methyl-piperazine by reacting with 1-chloro-4-methoxy-benzene. It acts as an intermediate in the synthesis of active pharmaceutical ingredients like ofloxacin, rifampicin, clozapine, sildenafil, trifluoperazine and zopiclone. Further, it is used as a mimic template in the preparation of molecularly imprinted microspheres. In addition to this, it is used in the generation of difunctional strong anion-exchange stationary phase from a 1,4-diazacyclohexane derivative.

Bemerkungen

Hygroscopic. Moisture sensitive. Incompatible with acids, acid chlorides, acid anhydrides, strong oxidizing agents and carbon dioxide.

Literaturverweise

For preparation of a reagent for the high-yield reduction of esters to aldehydes, see Sodium bis(2-methoxyethoxy)­aluminum hydride, A13292. Similarly, addition of the hydrochloride to Lithium aluminum hydride, A18116, gives a complex which can reduce carboxylic acids to aldehydes: J. Org. Chem., 49, 2279 (1984).

The N-lithio-derivative effects the O-alkyl cleavage of aromatic ortho-alkoxyaldehydes or ketones, without the need for carbonyl protection: Synth. Commun., 18, 191 (1988).

Li, H.; Le Moullec, Y.; Lu, J.; Chen, J.; Marcos, J. C. V.; Chen, G.; Chopin, F. CO2 solubility measurement and thermodynamic modeling for 1-methylpiperazine/water/CO2. Fluid Phase Equilib. 2015, 394, 118-128.

Kovalev, V. V.; Gorbunova, Y. E.; Kokunov, Y. V. Silver nitrate coordination polymer with 1-methylpiperazine: Synthesis and crystal structure. Russ. J. Inorg. Chem. 2015, 60 (7), 886-888.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H331-H302-H312-H314-H318-H226

Toxic if inhaled. Harmful if swallowed. Harmful in contact with skin. Causes severe skin burns and eye damage. Causes serious eye damage. Flammable liquid and vapour.

Sicherheitshinweise: P210-P260-P261-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Do not breathe dust/fume/gas/mist/vapours/spray. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Beilstein
102724
Gefahrenklasse
8
Verpackungsgruppe
II
Harmonized Tariff Code
2933.59
TSCA
Yes
RTECS
TM1225000

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