Lithium dihydrogen phosphate
Synonym(s):Lithium dihydrogenphosphate
- CAS NO.:13453-80-0
- Empirical Formula: H4LiO4P
- Molecular Weight: 105.94
- MDL number: MFCD00016188
- EINECS: 236-633-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-10-25 23:13:37
What is Lithium dihydrogen phosphate ?
Description
Lithium dihydrogen phosphate, also known as LDP, is a White crystalline powder with the formula LiH2PO4. It is soluble in water. LiH2PO4 is usually prepared by a stoichiometric reaction of Li2СO3 and 85% orthophosphoric acid[1]. It is often used as a raw material for the preparation of cathode materials for lithium batteries or as phosphate in chemical reactions.
Chemical properties
White crystalline powder
The Uses of Lithium dihydrogen phosphate
Lithium Dihydrogen Phosphate is used in preparation method of lithium hydroxide from lithium-containing low-magnesium brine in lithium phosphate manner.
The Uses of Lithium dihydrogen phosphate
Precursor for LiMX2O7 (M = Fe, V; x =P, As) cathode materials.1
General Description
This product has been enhanced for energy efficiency.
Solubility in water
At 0°C, the solubility of lithium dihydrogen phosphate in water is about 55.8wt % (126.2 g of LiH2PO4 /100 g of water)[1]. At 22°C, the solubility of lithium dihydrogen phosphate corresponds to ~ 153.8 g of LiH2PO4/100 g of water. At 25°C, it doesn't dissolve in water[2].
References
[1] A.P. Voronov, G.N. Babenko, V.M. Puzikov, A.N. Iurchenko, Growth of LiH2PO4 single crystals from phosphate solutions, Journal of Crystal Growth, 2013, 374, 49–52. [2] R. W. Berg, A. V. Nikiforov, N. J. Bjerrum, Vapor pressure and specific electrical conductivity in the H2O–LiH2PO4–LiPO3 system—a novel electrolyte for water electrolysis at elevated temperature.Ionics, 2021, 27, 703–719.
Properties of Lithium dihydrogen phosphate
Melting point: | >100°C |
Density | 2.5 g/mL at 25 °C(lit.) |
storage temp. | Inert atmosphere,Room Temperature |
form | Powder |
color | white |
Specific Gravity | 2.461 |
Water Solubility | Slightly soluble in water. |
Stability: | Stable. Incompatible with strong oxidizing agents. |
InChI | InChI=1S/Li.H3O4P.H/c;1-5(2,3)4;/h;(H3,1,2,3,4); |
CAS DataBase Reference | 13453-80-0(CAS DataBase Reference) |
EPA Substance Registry System | Phosphoric acid, monolithium salt (13453-80-0) |
Safety information for Lithium dihydrogen phosphate
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Lithium dihydrogen phosphate
InChIKey | AZOORWHXDYIBGH-UHFFFAOYSA-N |
SMILES | P(O)(O)(O)=O.[LiH] |
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