CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Lithium hydride appears as a white or translucent crystalline mass or powder. The commercial product is light bluish-gray lumps due to the presence of minute amounts of colloidally dispersed lithium. |
|---|---|
| Color/Form | Gray cubic crystals or powder, hygroscopic |
| Odor | Odorless ... |
| Boiling Point | Decomposes (NIOSH, 2023) |
| Melting Point | 1256 °F (EPA, 1998) |
| Solubility | Reacts with water (NIOSH, 2023) |
| Density | 0.76 to 0.77 (EPA, 1998) |
| Vapor Pressure | 0 mmHg at 68 °F (EPA, 1998) |
| Stability/Shelf Life | Darkens rapidly on exposure to light. |
| Autoignition Temperature | 392 °F (USCG, 1999) |
| Decomposition | Thermally unstable. Decomp at 1009 °F (400 °C). |
| Other Experimental Properties | Decomp pressure nil at 25 °C; 0.7 mm at 500 °C; 760 mm at approximately 850 °C; decomposed by water, forming hydrogen and lithium hydroxide |
| Chemical Classes | Metals -> Metal Hydrides |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Flame Flammables GHS02  Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H260:Substances And Mixtures Which, In Contact With Water,Emit Flammable Gases H301:Acute toxicity,oral H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P223:Keep away from any possible contact with water, because of violent reaction and possible flash fire. P280:Wear protective gloves/protective clothing/eye protection/face protection. P231+P232:Handle under inert gas. Protect from moisture. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P370+P378:In case of fire: Use … for extinction. P422:Store contents under … |
COMPUTED DESCRIPTORS
| Molecular Weight | 8.0 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 8.02382847 g/mol |
| Monoisotopic Mass | 8.02382847 g/mol |
| Topological Polar Surface Area | 0 Ų |
| Heavy Atom Count | 1 |
| Formal Charge | 0 |
| Complexity | 0 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 2 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Lithium hydride appears as a white or translucent crystalline mass or powder. The commercial product is light bluish-gray lumps due to the presence of minute amounts of colloidally dispersed lithium.