140-31-8
1-(2-Aminoethyl)piperazine
CAS: 140-31-8
Molecular Formula: C6H15N3
140-31-8 - Names and Identifiers
140-31-8 - Physico-chemical Properties
| Molecular Formula | C6H15N3 |
| Molar Mass | 129.2 |
| Density | 0.985g/mLat 25°C(lit.) |
| Melting Point | -19 °C |
| Boling Point | 218-222°C(lit.) |
| Flash Point | 200°F |
| Water Solubility | soluble |
| Solubility | >1000g/l |
| Vapor Presure | 0.05 mm Hg ( 20 °C) |
| Vapor Density | 4.4 (vs air) |
| Appearance | Liquid |
| Color | Clear colorless to slightly yellow |
| BRN | 104363 |
| pKa | 10.11±0.10(Predicted) |
| PH | 12 (100g/l, H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Flammable. Incompatible with acids, acid anhydrides, acid chlorides, strong oxidizing agents, chloroformates. |
| Sensitive | Air Sensitive |
| Explosive Limit | 2.1-10.5%(V) |
| Refractive Index | n20/D 1.500 |
| Physical and Chemical Properties | Colorless transparent liquid. Boiling point 218-222 ℃, relative density 0.985(20 ℃), refractive index 1.5000(20 ℃), flash point 93 ℃. |
140-31-8 - Risk and Safety
| Hazard Symbols | C - Corrosive |
| Risk Codes | R21/22 - Harmful in contact with skin and if swallowed. R34 - Causes burns R43 - May cause sensitization by skin contact R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN 2815 8/PG 3 |
| WGK Germany | 2 |
| RTECS | TK8050000 |
| TSCA | Yes |
| HS Code | 29335995 |
| Hazard Class | 8 |
| Packing Group | III |
| Toxicity | LD50 orally in Rabbit: 1470 mg/kg |
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