单水氢氧化锂

Description

Lithium hydroxide monohydrate is identified by CAS 1310-66-3, molecular formula H3LiO2 and molecular weight 42.03 g/mol. UNII G51XLP968G; InChIKey GLXDVVHUTZTUQK-UHFFFAOYSA-M. Melting Point: 450-471 °C; Density: 1.51 g/cm³; Density: 1.51 @25 °C.

Identification

CAS Registry Number	1310-66-3
PubChem CID	168937
Molecular formula	H3LiO2
Molecular weight	42.03 g/mol
IUPAC name	lithium;hydroxide;hydrate
InChIKey	GLXDVVHUTZTUQK-UHFFFAOYSA-M
UNII (FDA)	G51XLP968G

Computed Descriptors

Molecular Weight	42.0
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	42.02930777
Monoisotopic Mass	42.02930777
Topological Polar Surface Area	2
Heavy Atom Count	3
Formal Charge	0
Complexity	2

Physical & Chemical Properties

Melting Point	450-471 °C
Density	1.51 g/cm³
Density	1.51 @25 °C
Decomposition	924 °C

Physical description & handling notes

• 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.
• Dry Powder
• Colorless hygroscopic solid; [ICSC] White odorless crystalline powder; [Alfa Aesar MSDS]
• COLOURLESS-TO-WHITE HYGROSCOPIC CRYSTALS.
• Solubility in water, g/100ml at 20 °C: 19.1 (good)

GHS Hazard Classification

Reported hazard statements	H301, H311 (17.8%), H302 (61.1%), H314 (95%), H318 (40.8%), H331 (13.4%), H336, H360

Documented Uses

• Used in photographic developers and alkaline storage batteries; Also used as a catalyst and in esterifications; [Merck Index]
• Battery Manufacturing [Category: Industry]
• Photographic Processing [Category: Other]
• Not Known or Reasonably Ascertainable

Synonyms

Lithium hydroxide monohydrate; 1310-66-3; Lithium hydroxide, monohydrate; Lithium hydroxide (Li(OH)), monohydrate; Lithium hydroxide (USP); Lithium hydroxide [USP]; RefChem:799552; 603-454-3; lithium hydroxide hydrate; lithium;hydroxide;hydrate; MFCD00149772; Lithium Hydroxide Hydrate;; Lithium hydroxide (Li(OH)), monohydrate (9CI); 76576-67-5; DTXSID80746515; LiOH-hydrate

Frequently Asked Questions

What are the CAS number and molecular formula of Lithium hydroxide monohydrate?

CAS 1310-66-3; molecular formula H3LiO2; molecular weight 42.03 g/mol.

What other names is Lithium hydroxide monohydrate known by?

Lithium hydroxide monohydrate, 1310-66-3, Lithium hydroxide, monohydrate, Lithium hydroxide (Li(OH)), monohydrate, Lithium hydroxide (USP), Lithium hydroxide [USP].

Is Lithium hydroxide monohydrate classified as hazardous?

Hazard statements reported: H301, H311, H302, H314, H318.

What are the key physical properties of Lithium hydroxide monohydrate?

Melting Point: 450-471 °C; Density: 1.51 g/cm³; Density: 1.51 @25 °C; Decomposition: 924 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.