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HomeProduct name listLithium dihydrogen phosphate

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
Lithium dihydrogen phosphate  Structural

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)
ghs
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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