Lithiumdihydrogenorthophosphat

Bezeichnung:Lithiumdihydrogenorthophosphat

CAS-Nr13453-80-0

Englisch Name:Lithium dihydrogen phosphate

CBNumberCB9150683

SummenformelH4LiO4P

Molgewicht105.94

MOL-Datei13453-80-0.mol

Synonyma

Lithiumdihydrogenorthophosphat

Lithiumdihydrogenorthophosphat physikalisch-chemischer Eigenschaften

Schmelzpunkt	>100°C
Dichte	2.5 g/mL at 25 °C(lit.)
storage temp.	Inert atmosphere,Room Temperature
Aggregatzustand	Powder
Wichte	2.461
Farbe	white
Wasserlöslichkeit	Slightly soluble in water.
Stabilität	Stable. Incompatible with strong oxidizing agents.
InChI	InChI=1S/Li.H3O4P.H/c;1-5(2,3)4;/h;(H3,1,2,3,4);
InChIKey	AZOORWHXDYIBGH-UHFFFAOYSA-N
SMILES	P(O)(O)(O)=O.[LiH]
CAS Datenbank	13453-80-0(CAS DataBase Reference)
EPA chemische Informationen	Phosphoric acid, monolithium salt (13453-80-0)

Sicherheit

Kennzeichnung gefährlicher	Xn
R-Sätze:	22-36/37/38
S-Sätze:	26-36
WGK Germany	3
RTECS-Nr.	TC6593950
TSCA	Yes
HS Code	28352990
Toxizität	mouse,LD50,oral,910mg/kg (910mg/kg),"Aktual'nye Problemy Gigieny Truda. Current Problems of Labor Hygiene," Tarasenko, N.Y., ed. Moscow, Pervyi Moskovskii Meditsinskii Inst., 1978Vol. -, Pg. 28, 1978.

Gefahreninformationscode (GHS)

Lithium dihydrogen phosphate Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R22:Gesundheitsschädlich beim Verschlucken.
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
S-Sätze Betriebsanweisung:
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
Beschreibung
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.
Chemische Eigenschaften
White crystalline powder
Verwenden
Precursor for LiMX2O7 (M = Fe, V; x =P, As) cathode materials.1
Verwenden
Lithium Dihydrogen Phosphate is used in preparation method of lithium hydroxide from lithium-containing low-magnesium brine in lithium phosphate manner.
Allgemeine Beschreibung
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].
Einzelnachweise
[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.

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