Piperazine is an organic compound with the chemical formula C4H10N2. It is a colorless crystal with the smell of ammonia and is highly hygroscopic. The melting point of piperazine is 109.6ºC, the boiling point is 148.5ºC, and the molecular weight is 86.14. It is easily soluble in water, methanol, and ethanol, slightly soluble in benzene and ether, and is corrosive. It is flammable when exposed to open flames and high temperatures, and releases toxic nitrogen oxide gas when it burns and decomposes.
| Melting point | 109-112 °C(lit.) |
| Molecular formula | C4H10N2 |
| Molecular weight | 86.136 |
| Flash point | 49.7±10.2 °C |
| Exact mass | 86.084396 |
| PSA | 24.06 |
| LogP | -1.17 |
| Appearance | Needle-shaped white or colorless crystals |
| Vapor pressure | 4.0±0.3 mmHg at 25°C |
| Refractive index | 1.424 |
| Storage conditions | Store in a cool, dry, well-ventilated warehouse. Keep away from fire and heat sources. Keep the container sealed. Store separately from oxidants, acids, etc. and avoid mixing. Equip with fire-fighting equipment of corresponding types and quantities. The storage area should be equipped with appropriate materials to contain leaks. |
| Stability | Avoid contact with humid air and direct sunlight. Do not contact with strong oxidants, strong acids, acid chlorides, and acid anhydrides. |
| Water solubility | 150 g/L (20 ºC) |
| Molecular structure | 1. Molar refractive index: 25.14 |
| 2. Molar volume (cm3/mol): 98.5 | |
| 3. Isotonic volume (90.2K): 225.8 | |
| 4. Surface tension (dyne/cm): 27.5 | |
| 5. Polarizability (10-24cm3): 9.96 |
Q:How to get a sample, is it free?
A:You can contact our sales staff through REQUEST and they will arrange sample shipment for you. We can provide you with free samples, you only need to pay for the shipping cost. For regular customers, sample fee and shipping fee are covered by us!
Q:How can I trust you? How long have you been in this field(Chemical raw material)?
A:Our owner has over 20 years of experience in the chemical raw materials field as well as our staffs. It is because of the trust of our customers and partners that we have been able to exist and develop for so many years. Our ever-lasting vision is to 'Obtain a wide range of customer resources through high-quality procurement and the best service, and establish a sustainable and stable customer relationship'!
Q: Can you offer any other services?
A:Yes! If you learn that there are very competitive products in China that are not within the scope of our display, we'd love to help you find quality resources. It's our honor to provide a one-stop purchasing service for you!
Q:How do you guarantee the quality of your products?
A:All of our products comply with national testing standards and international standards. If you need, we can provide you with certificates.
Q: Can you use customer-specific labeling and packaging?
A: Of course, you can provide us with the specified labeling and packaging and we will be happy to follow up with you.assist you. If there is anything else you need, please feel free to communicate with us!
Q: How about the delivery time?
A: We can’t give you the exact time because of different locations, but we can guarantee that we will ship your order as soon as possible after you place it and we will keep an eye on the logistics to remind you to receive the goods.