Lithium citrate hydrate
Lithium citrate hydrate (CAS: 313222-91-2) is a hydrated salt of citric acid and lithium. With the chemical formula LiO2CCH2C(OH)(CO2Li)CH2CO2Li · xH2O and an anhydrous molecular weight of 209.92 g/mol, it is a white crystalline solid. This compound is primarily utilised in chemical synthesis and as a building block in organic chemistry. Its solubility in water makes it amenable to various solution-based processes.
- IUPAC
- Citric acid trilithium salt hydrate

Chemical Synthesis
Lithium citrate hydrate serves as a valuable intermediate and reagent in organic synthesis. Its structure allows for diverse chemical transformations, making it useful for constructing more complex molecules.
Material Science
Historically, lithium citrate has been employed in the preparation of materials such as Portland cement plates. This application highlights its utility in inorganic and material science contexts.
Laboratory Reagent
As a defined chemical entity, it functions as a laboratory reagent for research and development purposes. Its characterisation and properties are critical for reproducible experimental outcomes.
| Molecular weight | 209.92 (anhydrous basis) |
|---|---|
| Linear formula | LiO2CCH2C(OH)(CO2Li)CH2CO2Li · xH2O |
| Assay | 99% |
| Solubility | water: soluble10%, clear, colorless |
| Application | Lithium citrate was used in the preparation of Portland cement plates1. |
| Melting point | 112 °C (dec.)(lit.) |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Lithium citrate hydrate used for?
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Lithium citrate hydrate is used in chemical synthesis, as an organic building block, and has found application in the preparation of materials like Portland cement plates.
What is the CAS number and chemical formula for Lithium citrate hydrate?
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The CAS number is 313222-91-2 and the chemical formula is LiO2CCH2C(OH)(CO2Li)CH2CO2Li · xH2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Lithium citrate hydrate with an assay of 99%. We do not represent this product as USP, BP, EP or other pharmacopoeia grades unless explicitly stated in the product data.
How should Lithium citrate hydrate be handled safely?
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Lithium citrate hydrate is classified with a Warning signal word and carries H319 hazard statement, indicating it causes serious eye irritation. Handle with a dust mask (type N95), eyeshields, gloves, and ensure adequate ventilation. Avoid dust formation and inhalation.
Is Lithium citrate hydrate a controlled substance?
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The provided data does not indicate that Lithium citrate hydrate is a controlled substance.
How is Lithium citrate hydrate packed and shipped?
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Tech Serve Solutions is a global supplier, exporter and exporter of fine chemicals. Products are packed according to international shipping regulations and exported worldwide.
How can I request a quote or sample for Lithium citrate hydrate?
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To request a quote or sample, please contact our sales team through the website or by phone, providing the product name and CAS number.
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