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| CAS No.: | 7782-89-0 |
|---|---|
| Name: | Lithium amide |
| Molecular Structure: | |
|
|
|
| Formula: | LiNH2 |
| Molecular Weight: | 22.96 |
| Synonyms: | Lithamide;Lithium amide (Li(NH2)); |
| EINECS: | 231-968-4 |
| Density: | 1.178 g/mL at 25 °C(lit.) |
| Melting Point: | 373 °C |
| Boiling Point: | 430 °C |
| Solubility: | reacts |
| Appearance: | White crystals |
| Hazard Symbols: |
 F, C
|
| Risk Codes: | 14/15-29-34-20/21/22-11 |
| Safety: | 26-36/37/39-43-45-7/8-43B-16-3/7/9 |
| Transport Information: | UN 1390 4.3/PG 2 |
| PSA: | 26.02000 |
| LogP: | 0.10970 |
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Specification
The Lithium amide, with the CAS registry number 7782-89-0, is also known as Lithamide. It belongs to the product categories of Inorganics; Organic Bases; Alternative Energy; Amides Chemical Synthesis; Inorganic Bases; Materials for Hydrogen Storage; Synthetic Reagents; Metal Amide. Its EINECS registry number is 231-968-4. This chemical's molecular formula is H2LiN and molecular weight is 22.96. What's more, both its IUPAC name and systematic name are the same which is called Lithium azanide. It should be stored in a cool, dry and well-ventilated place. Lithium amide is composed of a lithium cation, and the conjugate base of ammonia. It is a white solid with a tetragonal crystal structure. This chemical can be used to produce alkyne, alkynol and it can instead of sodium amide.
Physical properties about Lithium amide are: (1)#H bond acceptors: 1; (2)#H bond donors: 3; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 12.03 Å2; (5)Refractive Index: 1.178g/mL; (6)Density: 1.178 1.178 g/mL at 25 °C(lit.); (7)Melting Point:373 °C; (8)Enthalpy of Vaporization: 23.33 kJ/mol; (9)Boiling Point: 430 °C; (10)Vapour Pressure: 5990 mmHg at 25 °C.
Preparation of Lithium amide: this chemical can be prepared by adding lithium metal to liquid ammonia.
2Li + 2NH3 → 2LiNH2 + H2
When you are dealing with this chemical, you should be very careful. It may destroy living tissue on contacting and may cause damage to health by inhalation, in contacting with skin and if swallowed. In addition, this chemical is highly flammable and it may catch fire in contacting with air and only need briefly contact with an ignition source. So it may cause burns. What’s more, it can liberate toxic gas in contacting with water. Therefore, you should wear suitable protective clothing, gloves and eye/face protection. In case of contacting with eyes, you should rinse immediately with plenty of water and seek medical advice. And you should keep the container tightly closed in a cool, well-ventilated place.
You can still convert the following datas into molecular structure:
(1) SMILES: [Li+].[NH2-]
(2) InChI: InChI=1S/Li.H2N/h;1H2/q+1;-1
(3) InChIKey: AFRJJFRNGGLMDW-UHFFFAOYSA-N