1-Methylpiperazine

• Catalog No.: A10837
• CAS Number: 109-01-3
• M. F.: C5H12N2
• M. W.: 100.16218
• Purity: 98+%

SYNONYMS

• Title: N-甲基哌嗪
• IUPAC name: 1-methylpiperazine
• IUPAC Traditional name: piperazine, 1-methyl-

DATABASE IDS

• EC Number: 203-639-5
• Beilstein Number: 102724
• MDL Number: MFCD00005966
• CAS Number: 109-01-3

PROPERTIES

• Purity: 98+%
• Boiling Point: 137-139°C
• Density: 0.903
• Flash Point: 34°C(93°F)
• Melting Point: -6°C
• Refractive Index: 1.4655
• GHS Hazard statements: H311-H332-H314-H318-H226
• European Hazard Symbols: X
• European Hazard Symbols: Corrosive (C)
• GHS Precautionary statements: P280-P303+P361+P353-P305+P351+P338-P310
• Risk Statements: 10-20/21-34
• RTECS: TM1225000
• Safety Statements: 9-26-36/37/39-45-60
• Storage Warning: Air Sensitive
• TSCA Listed: 是
• Hazard Class: 8
• UN Number: UN2734
• Packing Group: II

REFERENCES

• 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).