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HomeProduct name list1-Methylpiperazine

1-Methylpiperazine

Synonym(s):1-Methylpiperazine;N-Methylpiperazine

  • CAS NO.:109-01-3
  • Empirical Formula: C5H12N2
  • Molecular Weight: 100.16
  • MDL number: MFCD00005966
  • EINECS: 203-639-5
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:08:52
1-Methylpiperazine Structural

What is 1-Methylpiperazine?

Description

The cyclic diamine 1-methylpiperazine is a pale yellow oil with a boiling point of 286 oC. It can be synthesized in several ways, including treating 1,4-dimethylpiperazine with Raney nickel (Yuan, Q.-l., et al., 2013). In 1998,?M. A. Pericàs and coauthors?used it to prepare resin-anchored chiral catalysts.
But the best use of 1-methylpiperazine may be protecting people from mosquito bites. U. R. Bernier and co-workers at the USDA Agricultural Research Service showed that bacteria on human skin form 1-methylpiperazine and other small heterocycles that?prevent mosquitoes from recognizing that someone is present. The researchers recently applied for a patent covering this use for the active compounds.
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Chemical properties

clear liquid

The Uses of 1-Methylpiperazine

1-Methylpiperazine is used in the preparation of 2-(4-Methyl-1-piperazinylmethyl)acrylophenone(MPMAP)

The Uses of 1-Methylpiperazine

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.

What are the applications of Application

1-Methylpiperazine is a useful mimic template for the preparation of MIMs

Definition

ChEBI: 1-Methylpiperazine is a N-methylpiperazine.

Hazard

Moderate fire risk.

Flammability and Explosibility

Flammable

Safety Profile

Poison by intraperitoneal route. Moderately toxic by inhalation, ingestion, and skin contact. A severe skin and eye irritant. Flammable liquid when exposed to heat or flame; can react with oxidizing materials. To fight fire, use alcohol foam, CO2, dry chemical. When heated to decomposition it emits toxic fumes of NOx.

Properties of 1-Methylpiperazine

Melting point: -6 °C
Boiling point: 138 °C(lit.)
Density  0.903 g/mL at 25 °C(lit.)
vapor density  3.5 (vs air)
vapor pressure  12 hPa (20 °C)
refractive index  n20/D 1.466(lit.)
Flash point: 108 °F
storage temp.  2-8°C
solubility  Chloroform (Soluble), Methanol (Soluble)
form  Liquid
pka pK1:4.94(+2);pK2:9.09(+1) (25°C,μ=0.1)
Specific Gravity 0.903
color  Clear
PH 11-12 (50g/l, H2O, 20℃)
explosive limit 1.2-9.9%(V)
Water Solubility  soluble
Sensitive  Hygroscopic
BRN  102724
CAS DataBase Reference 109-01-3(CAS DataBase Reference)
NIST Chemistry Reference Piperazine, 1-methyl-(109-01-3)
EPA Substance Registry System Piperazine, 1-methyl- (109-01-3)

Safety information for 1-Methylpiperazine

Signal word Danger
Pictogram(s)
ghs
Flame
Flammables
GHS02
ghs
Corrosion
Corrosives
GHS05
ghs
Skull and Crossbones
Acute Toxicity
GHS06
GHS Hazard Statements H226:Flammable liquids
H312:Acute toxicity,dermal
H314:Skin corrosion/irritation
H331:Acute toxicity,inhalation
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P370+P378:In case of fire: Use … for extinction.

Computed Descriptors for 1-Methylpiperazine

InChIKey PVOAHINGSUIXLS-UHFFFAOYSA-N

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