Name: Lithium hydride
CAS: 7580-67-8
Molecular Formula: HLi
Molecular Weight: 7.9489
Lithium hydride - Names and Identifiers
| Name | Lithium hydride |
| Synonyms | Lithiumhydride |
| CAS | 7580-67-8 |
| EINECS | 231-484-3 |
| InChI | InChI=1/Li.H/q+1;-1 |
Lithium hydride - Physico-chemical Properties
| Molecular Formula | HLi |
| Molar Mass | 7.9489 |
| Melting Point | 680℃ |
| Solubility | reacts |
| Physical and Chemical Properties | Density 0.82 melting point 680°C water-soluble reactions |
| Use | Used as desiccant, hydrogen generator and organic synthesis reducing agent |
Lithium hydride - Risk and Safety
| Hazard Symbols | F - Flammable T - Toxic  C - Corrosive  |
| Risk Codes | R25 - Toxic if swallowed R34 - Causes burns |
| Safety Description | S25 - Avoid contact with eyes. 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.) |
| UN IDs | UN 1414/2805 |
Lithium hydride - Nature
A glass-like colorless transparent solid. The commercial product is usually a gray powder. The relative density was 0. 78. Melting point 688 °c. Boiling point> 700 °c (decomposition). It quickly turned gray in light. At room temperature in dry air does not decompose, and water decomposition reaction into lithium hydroxide and hydrogen. In
At room temperature and chlorine, oxygen, hydrogen chloride does not occur. Thermal decomposition may occur at high temperatures. The dissociation pressure was 0. 7mmHg at 500 °c and 850 mmHg at °c. Heat of fusion 22. 59kJ/mol; Soluble in ether, insoluble in benzene, toluene.
Last Update：2022-01-01 11:07:10
Lithium hydride - Preparation Method
in the drying oven, put lithium into a reaction tube made of stainless steel, cover and vacuum, and then enter hydrogen gas. After the hydrogen pressure is 1 atmosphere and the temperature is 725 ° C. For 15h, with continued hydrogen flow, cooling was carried out, and the reactants were taken out from the drying oven, filled in an ammonia-sealed bottle, and stored in the dark to obtain lithium hydride with a purity of up to 99. 8%.
Last Update：2022-01-01 11:07:11
Lithium hydride - Use
for military use as a source of hydrogen generation. Organic synthesis is used as a reducing agent.
Last Update：2022-01-01 11:07:10
Lithium hydride - Safety
packaged in glass bottles, each bottle having a net weight of 500g, and then concentrated in a wooden box, inner bedding or metal drum lined with polyethylene bag hermetically sealed, each net weight of 25kg. The package is marked with "moisture-proof" and "flammable. Hazard code: flammable item in wet condition. GB 4.3, class 43016D UN N0.1414; IMDG, code 4.3, page 1. Store in a cool, dry, ventilated warehouse. Stay away from heat sources and fire and avoid direct sunlight. With flammable materials, acids, oxidants and ethanol and other Isolation of the storage and transport. Protection against rain and sun during transport. It is not allowed to be handled in rainy days. Light load and light discharge during handling to prevent damage to the container. When there is a fire, only the metal cover can be used to quench the fire, or dry graphite powder, dry dolomite powder and cement can be used to quench the fire. Do not use water, carbon dioxide, foam, halogenated hydrocarbons (such as 1211 extinguishing agent) and so on. However, when the amount is very small, a large amount of water can be used to stop the rescue. Toxicity and protection: in the humid air can spontaneous combustion. Heat or contact with water or acids can occur exothermic reaction, can also cause combustion. It can react vigorously with the oxidant, and the dense dust is exposed to heat or oxidant, and the explosion is carried out. Dust has a strong irritating effect on the eyes, nose, skin and respiratory system. Lithium hydroxide generated in the presence of moisture or moisture is highly corrosive. Patients who inhale dust should be removed from the contaminated area and placed to rest and keep warm. The patient was immediately washed with water for more than 15min after she was not careful to splash into the eyes. Skin contact first rinse with water, then wash thoroughly with soap, if there is a burn timely diagnosis and treatment. The patient was immediately given mouthwash and water.
Last Update：2022-01-01 11:07:12
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ACID BLUE 15
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3,3'-Dibromobenzophenone
(dimethylamino)methanol
1,1,2,3,3,4,4-HEPTAFLUORO-1-BUTENE
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BROMOTRIFLUOROETHYLENE
Carbamic acid, (4-hydroxy-1-methylcyclohexyl)-, 1,1-dimethylethyl ester (9CI)
tert-butyl 8-Methyl-1,4-dioxaspiro[4.5]decan-8-ylcarbaMate
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tert-butyl 4-((4'-chloro-5,5-diMethyl-3,4,5,6-tetrahydro-[1,1'-biphenyl]-2-yl)Methyl)piperazine-1-carboxylate
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6104-60-5
4857-81-2
5863-46-7
97295-31-3
25032-74-0
14002-21-2
680-54-6
760-42-9
1117-61-9
4613-38-1
24573-15-7
598-73-2
792913-83-8
792913-82-7
1228780-46-8
1228780-71-9
1228943-80-3
1228780-51-5
32767-46-7
disodium 3-[[ethyl[4-[[4-[(3-sulphonatophenyl)azo]-1-naphthyl]azo]phenyl]amino]methyl]benzenesulphonate
BRILLIANT INDOCYANINE G
ALIZARIN GREEN
ACID BLUE 15
3',3''-Dimethyl-p-terphenyl
3,3'-Dibromobenzophenone
(dimethylamino)methanol
1,1,2,3,3,4,4-HEPTAFLUORO-1-BUTENE
1,1,1,2,4,4,4-HEPTAFLUORO-2-BUTENE
(R)-(+)-BETA-CITRONELLOL
(2Z)-3,7-Dimethyl-2,6-octadienoic acid
4,4'-BIPYRIDINE 1,1'-DIOXIDE
BROMOTRIFLUOROETHYLENE
Carbamic acid, (4-hydroxy-1-methylcyclohexyl)-, 1,1-dimethylethyl ester (9CI)
tert-butyl 8-Methyl-1,4-dioxaspiro[4.5]decan-8-ylcarbaMate
Methyl 4,4-dimethyl-2-[(trifluoromethylsulfonyl)oxy]cyclohex-1-ene-1-carboxylate
tert-butyl 4-((4'-chloro-5,5-diMethyl-3,4,5,6-tetrahydro-[1,1'-biphenyl]-2-yl)Methyl)piperazine-1-carboxylate
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