1-Methylpiperazine
- Product Name1-Methylpiperazine
- CAS109-01-3
- CBNumberCB4478526
- MFC5H12N2
- MW100.16
- EINECS203-639-5
- MDL NumberMFCD00005966
- MOL File109-01-3.mol
- MSDS FileSDS
Chemical Properties
| 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 | n |
| 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) |
| Viscosity | 2.27mm2/s |
| Water Solubility | soluble |
| Sensitive | Hygroscopic |
Safety
| Symbol(GHS) |
  
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| Signal word | Danger | |||||||||
| Hazard statements | H226-H312-H314-H331 | |||||||||
| Precautionary statements | P210-P260-P280-P304+P340+P310-P305+P351+P338-P370+P378 | |||||||||
| Hazard Codes | T,F,C,Xi | |||||||||
| Risk Statements | 10-21-23-34-36/37/38-20/21 | |||||||||
| Safety Statements | 16-26-36/37/39-45-36 | |||||||||
| RIDADR | UN 2734 8/PG 2 | |||||||||
| WGK Germany | 2 | |||||||||
| RTECS | TM1225000 | |||||||||
| Autoignition Temperature | 320 °C | |||||||||
| Hazard Note | Flammable/Toxic/Corrosive/Store under nitrogen | |||||||||
| TSCA | Yes | |||||||||
| HazardClass | 3 | |||||||||
| PackingGroup | III | |||||||||
| HS Code | 29335995 | |||||||||
| Toxicity | LD50 orally in Rabbit: 2547 mg/kg LD50 dermal Rabbit 1341 mg/kg | |||||||||
| NFPA 704: |
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