Chemical Properties Alkali Development history Uses Chemical Reaction Preparation Production method
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Lithium hydroxide

Chemical Properties Alkali Development history Uses Chemical Reaction Preparation Production method
Lithium hydroxide Structure
Lithium hydroxide
  • CAS No.1310-66-3
  • Chemical Name:Lithium hydroxide
  • Synonyms:Lithium hydrate;Lithine hydrate;Lithium hydroxide;Lithium hydroxide mo;LITHIUM HYDROXIDE H2O;LITHIUM HYDROXIDE 1HYD;Lithium hydroxide hydrate;LITHIUM HYDROXIDE H2O ACS;Lithium hydroxide-crystals;LITHIUM HYDROXIDE-1-HYDRATE
  • CBNumber:CB6260598
  • Molecular Formula:Li.HO.H2O
  • Formula Weight:41.96
  • MOL File:1310-66-3.mol
Lithium hydroxide Property
  • Melting point: :462 °C
  • Boiling point: :920 °C
  • Density  :1.51
  • storage temp.  :Store at room temperature.
  • solubility  :H2O: 1 M at 20 °C, clear, colorless
  • form  :Solid
  • color  :White to cream or yellow
  • Specific Gravity :1.51
  • PH :~12 (25℃, 1M in H2O)
  • Water Solubility  :109 g/L (20 ºC)
  • Sensitive  :Air Sensitive & Hygroscopic
  • λmax :λ: 260 nm Amax: 0.02
    λ: 280 nm Amax: 0.02
  • Merck  :14,5534
  • Stability: :Stable. Incompatible with moisture. strong acids, carbon dioxide. Absorbs carbon dioxide from the air.
  • InChIKey :WMFOQBRAJBCJND-UHFFFAOYSA-M
  • CAS DataBase Reference :1310-66-3(CAS DataBase Reference)
  • NIST Chemistry Reference :LiOH(1310-66-3)
  • EPA Substance Registry System :Lithium hydroxide (Li(OH)), monohydrate(1310-66-3)
Safety
  • Hazard Codes  :C
  • Risk Statements  :22-35-20/22-34-52
  • Safety Statements  :26-36/37/39-45-22-27
  • RIDADR  :UN 2680 8/PG 2
  • WGK Germany  :2
  • RTECS  :OJ6307080
  • F  :3-9-34
  • TSCA  :Yes
  • HazardClass  :8
  • PackingGroup  :II
  • HS Code  :28252000
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordDanger
  • Hazard statements
  • H301:Toxic if swalloed
  • H302:Harmful if swallowed
  • H314:Causes severe skin burns and eye damage
  • H318:Causes serious eye damage
  • H331:Toxic if inhaled
  • Precautionary statements
  • P260:Do not breathe dust/fume/gas/mist/vapours/spray.
  • P280:Wear protective gloves/protective clothing/eye protection/face protection.
  • P310:Immediately call a POISON CENTER or doctor/physician.
  • P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
  • P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
  • P405:Store locked up.
Lithium hydroxide Price More Price(32)
  • Brand: Sigma-Aldrich
  • Product number: 254274
  • Product name : Lithium hydroxide monohydrate
  • Purity: 99.95% trace metals basis
  • Packaging: 10g
  • Price: $44
  • Updated: 2018/11/13
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 254274
  • Product name : Lithium hydroxide monohydrate
  • Purity: 99.95% trace metals basis
  • Packaging: 50g
  • Price: $160
  • Updated: 2018/11/13
  • Buy: Buy
  • Brand: Alfa Aesar
  • Product number: 013409
  • Product name : Lithium hydroxide monohydrate, LiOH 56.5% min
  • Purity: 
  • Packaging: 2kg
  • Price: $246
  • Updated: 2018/11/16
  • Buy: Buy
  • Brand: Alfa Aesar
  • Product number: 013409
  • Product name : Lithium hydroxide monohydrate, LiOH 56.5% min
  • Purity: 
  • Packaging: 50g
  • Price: $17.7
  • Updated: 2018/11/16
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  • Brand: Strem Chemicals
  • Product number: 93-0329
  • Product name : Lithium hydroxide monohydrate, min. 98%
  • Purity: 
  • Packaging: 500g
  • Price: $57
  • Updated: 2018/11/13
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Lithium hydroxide Chemical Properties,Usage,Production

  • Chemical Properties White monoclinic crystal. Relative density of 1.51. Dissolved in water, Slightly soluble in acids, alcohols, insoluble in ether.
  • Alkali Lithium hydroxide is a strong base, its chemical properties are more similar to that of the hydroxide at group 2 in periodic table of elements, but quite different with the LDHs in the Group 1.The chemical formula is LiOH, molecular weight is 23.95, melting point of 450 ℃, decomposition temperature of 924 ℃ and relative density is 1.46.Its a white tetragonal crystal and has strong causticity and excitability to the skin.It is slightly soluble in ethanol, soluble in water, but the solubility is less than that of the other alkali metal hydroxides.
    The monohydrate can be obtained when the lithium hydroxide react with the water vapor in the air or form the crystals in the aqueous solution. It can react with the acidic gas like sulfur dioxide, hydrogen chloride and hydrogen cyanide etc. It can also react with the strong or weak acids in aqueous solution. Absorbing the carbon dioxide in the air can generate lithium carbonate.
    Lithium hydroxide is used as grease additives (thickeners, antioxidants, extreme pressure agents) to improve heat resistance, water resistance, stability and mechanical properties. The grease additives can be used in the bearings of car, plane and crane etc; the raw material of the lithium battery electrolyte.
    The calcined solid lithium hydroxide can be used as the carbon dioxide absorbent for the crew members at the spacecraft and submarine.In early American, the areospaceplane of mercury, gemini and apollo project are all using the lithium hydroxide as the absorbers. Its has a reliable performance and can can easily absorb carbon dioxide from the gas contained water vapor. The chemical reaction is: 2LiOH + CO2 → Li2CO3 + H2O, the anhydrous lithium hydroxide of only 1g can absorb carbon dioxide with volume of 450ml. Only 750g of the anhydrous lithium hydroxide can imbibe the carbon dioxide exhaled by one person each day.
    Further, lithium hydroxide is also widely used as the raw material to prepare the other subject like lithium compound, lithium salt, lithium soaps, lithium grease, alkyd resins, developer of spectral analysis, the additives of alkaline storage battery, photographic developers and the catalyst etc. It can increase the capacity of the battery by 12%~15% and improve the battery’s life for 2~3 times when it used as the additive for alkaline storage battery Alkaline storage battery as the electrolyte additive.
    The information aboved is edited by ChemicalBook Wang Xiaonan.
  • Development history The lithium hydroxide was used as the carbon dioxide absorbents in the submarine and the inflatable source of army ballon at 1944.
    At 1950, 6Li,the isotope of Li, is used as a raw material for producting the thermonuclear weapons like hydrogen bomb. From that time the United States atomic energy industry began to use a large quantity of lithium hydroxide which lead to amazing development of the lithium industry.
    Lithium and its compounds are widely used in the military industry and civilian industry due to its unique chemical and physical properties. Aluminum industry is the largest client of lithium. Adding lithium carbonate to the aluminium electrolysis can reduce the electrolyte’s melting point and increase the current efficiency of aluminum electrolyser resulting in the improment of the aluminum production by about 10% and the power consumption reduced by 8 to 14%; in addition, it can also inhibit the discharge of the harmful fluorine by 22% to 38%. In the United States and Europe, the amount of lithium carbonate consumed by the aluminum industry can take 40% of the total amount of lithium.
  • Uses 1. Lithium hydroxide can be applied at Petroleum, chemical industry, light industry and nuclear industry etc. When it used in alkaline batteries, the aluminum content should not more than 0.06% and the lead content should not more than 0.01%.
    2. It can be used as the raw material of preparing the lithium compounds. It can also be used in metallurgy, petroleum, glass , ceramics and other industrial.
    3. Battery grade lithium hydroxide monohydrate is mainly used for the preparation of lithium-ion battery cathode materials, its can also be the additives of the alkaline storage battery electrolyte.
    4. Using as the photographic developer, the material for the preparation of lithium salt, alcohol,resin, catalyst and the reagent for the decomposing the oxides and silicates.
    5. Using as the reagent for analysis, photographic developer and the manufacture of lithium.
  • Chemical Reaction 1. sodium hydroxide generates lithium oxide and water at the condition of 600 ℃ and in the absence of air, the chemical reaction equation:
    2LiOH = Li2O + H2O
    2. Under the heating conditions, the sodium hydroxide react with the magnesium or calcium can generate lithium and the corresponding lithium oxide.
    (1) 2LiOH + Mg = 2Li + MgO + H2O
    (2) 2LiOH + Ca = 2Li + CaO + H2O
    3. Sodium hydroxide react with the chlorine or iodine can generate lithium halide and lithium chloride and secondary lithium halides.
    (1) 2LiOH + Cl2 = LiCl + LiOCl + H2O
    (2) 2LiOH + I2 = LiI + LiOI + H2O
    4. Lithium hydroxide react with zinc can generate the of zinc acid lithium and hydrogen, the chemical reaction equation:
    2LiOH + Zn = LiZnO2 + H2
    5. Lithium hydroxide react with acid form the neutralization reaction, and generate the corresponding acid lithium salt (or hydrated lithium salt) and water.
    (1) 8H2O LiOH+HBO2+7H2O=LiBO2
    (2) 2LiOH+H3PO4 = Li2HPO4+2H2O
    (3) 2LiOH+H2SO4 = Li2SO4+2H2O
    (4) LiOH (excess) +HClO4 = LiClO4+H2O
    6. lithium hydroxide react with a mixture of ammonium chloride, and Li2[HgI4]( Dilithium mercury tetraiodide), or calcium chloride, barium chloride role can generate lithium chloride and other subject.
    (1) 4LiOH + 2Li2HgI4 + NH4Cl = LiCl + 7LiI + Ohg2NH2I + 3H2O
    (2) 2LiOH + CaCl2 = 2LiCl + Ca(OH)2
    (3) 2LiOH + BaCl2 = 2LiCl + Ba(OH)2
  • Preparation Using the lithium carbonate as the raw material and react with the with calcium hydroxide can generate the lithium hydroxide monohydrate. In this reaction, since the solubility of both materials are relatively small, so a thoroughly stirr is required. The above reaction can only get the solution containing 3.5% of the product, the solubility of lithium carbonate would decrease with the generation of the lithium hydroxide and remaining in precipitated calcium carbonate without dissolution. Therefore, as the reaction proceeds, the calcium carbonate precipitated must be removed timely, wash and recover the lithium carbonate. The monohydrate can be precipitated after decompressing concentrating the mother liquor that have removed the  calcium carbonate precipitation. After the separation, drying the monohydrate at 130~140℃ can obtain the monohydrate. Drying the monohydrate at 150~180 ℃ can obtain the anhydrous lithium hydroxide.
  • Production method Lime sinter process: spodumene concentrate (containing 6% of lithium oxide) mixed with limestone and mill the mixture finely. The lithium aluminate and calcium silicate can be obtained after sintering at 1150~1250 ℃.Crushing the product by the wet grinding, and leaching the lithium hydroxide with lotion. After the settling filtration and the evaporation, concentration, crystallization of the leaching solution. The final product-lithium hydroxide can be get
    Li2O•AI2O3•4SiO2+8CaO→Li2O•A12O3+4[2CaO•SiO2]
    Li2O•AI2O3+Ca(OH)2→2LiOH+CaO•AI2O3
  • Chemical Properties white crystals or pellets
  • Uses Used in catalyst for alkyd resins.
  • General Description Small colorless crystals. Denser than water. Contact may cause severe irritation to skin, eyes, and mucous membranes. Toxic by ingestion, inhalation and skin absorption. Used to make electric storage batteries, soaps, and lubricants.
    An aqueous solution of a lithium salt below its boiling point has been considered for both a tritium breeding blanket and as a coolant in several fusion reactor designs. In order to breed sufficient tritium to fuel the reactor, a high concentration of lithium is desirable and lithium hydroxide is sufficiently soluble for this purpose. The solution would be contained in pipes and heat exchangers, most probably made from carbon steel.
  • Air & Water Reactions Soluble in water; heat of dissolution may generate steam and cause spattering.
  • Reactivity Profile LITHIUM HYDROXIDE MONOHYDRATE neutralizes acids exothermically to form salts plus water. Reacts with certain metals (such as aluminum and zinc) to form oxides or hydroxides of the metal and generate gaseous hydrogen. May initiate polymerization reactions in polymerizable organic compounds, especially epoxides. May generate flammable and/or toxic gases with ammonium salts, nitrides, halogenated organics, various metals, peroxides, and hydroperoxides. May serve as a catalyst. Reacts when heated above about 84°C with aqueous solutions of reducing sugars other than sucrose to evolve toxic levels of carbon monoxide [Bretherick, 5th Ed., 1995].
  • Health Hazard TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.
  • Fire Hazard Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes. Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.). Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated.
  • Purification Methods It crystallises from hot water (3mL/g) as the monohydrate. It is dehydrated at 150o in a stream of CO2-free air. It sublimes at 220o with partial decomposition [Cohen Inorg Synth V 3 1957, Bravo Inorg Synth VII 1 1963].
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