Lithium orthosilicate
Basic information
- CAS
10102-24-6- Standard SMILES
O=[Si]([O-])[O-].[Li+].[Li+]- InChIKey
PAZHGORSDKKUPI-UHFFFAOYSA-N- Molecular formula
- Li2O3Si
- Average molar mass
- 90 g/mol
- Monoisotopic mass
- 89.99367726
Names & identifiers
- Preferred name
- Lithium orthosilicate
- IUPAC
- dilithium;dioxido(oxo)silane
- English name
- LITHIUM METASILICATE
- Molecular formula
- Li2O3Si
- Molecular weight
- 89.97
Names & synonyms
Lithium silicate (Li4(SiO4))Lithium silicon oxide (Li4SiO4)63985-45-5RefChem:1088517264-592-4Lithium orthosilicateTetralithium silicateLithium silicatelithium metasilicate10102-24-6Dilithium metasilicatedilithium;dioxido(oxo)silane
Show more names
dilithium saltEinecs 233-270-5Lithiummetasilicate,99%LITHIUM SILICATE (META)LITHIUM SILICATE, 99.5%Silicicacid,dilithiumsaltLithium silicate solution
Lithium silicate (Li2SiO3)Lithium Metasilicate (Metals Basis)Dilithium silicate (Li2SiO3)Lithium silicon oxide (Li2SiO3)Dilithium silicon trioxide5QDO50LGBDLITHIUM SILICATE, metaSilicic acid (H2SiO3), dilithium salt
Database identifiers
- CAS
10102-24-6、12627-14-4、63985-45-5- PubChem CID
- 66243
- DTXSID
DTXSID30904264- UNII
- 5QDO50LGBD
- EC Number
- 233-270-5、264-592-4
Properties
Computed structural properties
- Topological polar surface area
- 63.2 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 3
- Rotatable bonds
- 0
- Heavy atoms
- 6
- Formal charge
- 0
- Complexity
- 18.8
Experimental & physicochemical properties
Chemical Classes
Metals -> Metals, Inorganic Compounds
Metals -> Metals, Inorganic Compounds
Physical Description
White odorless powder; [Alfa Aesar MSDS]
Solid; [Merck Index] White odorless powder; [Alfa Aesar MSDS]
Physicochemical properties
- Melting point
- 1204 °C · 1204°C
- Density
- 2 · 2,52 g/cm3
- refractive index
- 1.584 · 1.584
- solubility
- 2 O; · insoluble in cold H2O; reacts with dilute acid
- form
- Powder
- color
- white
- Specific Gravity
- 2.52 · 2.52
- Odor
- Odorless
- Water Solubility
- 2 O, · insoluble cold H2O, decomposes in boiling H2O [MER06]
- Specific Heat Capacity
- 1.1 J/ · Cp(crystal): 1.1 J/(g·K), at 25℃
Safety & regulation
Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.
GHS classification
GHS Classification
Danger
H314 (36.8%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
P260, P261, P264, P264+P265, P271, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P351+P338, P305+P354+P338, P316, P319, P321, P337+P317, P363, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 68 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Regulatory Information
Chemical: Silicic acid (H2SiO3), dilithium salt
Silicic acid (H2SiO3), dilithium salt: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Silicic acid (H4SiO4), lithium salt: Does not have an individual approval but may be used as a component in a product covered by a group standard. It is not approved for use as a chemical in its own right.
Hazards Summary
May cause irritation; [Alfa Aesar MSDS] See Tetrasodium orthosilicate.
May cause irritation; [Alfa Aesar MSDS] See Lithium. See Sodium silicate.
Hazard Classes and CategoriesSkin Corr. 1B (36.8%)
Safety & protection
Exposure Control and Personal Protection
0.2 [mg/m3], inhalable fraction, as Li[German Research Foundation (DFG)]
0.2 [mg/m3], inhalable fraction, as Li[German Research Foundation (DFG)]
Chemistry & industry
Uses & manufacturing
UsesUsed to calibrate thermoelements; [Merck Index]
Applications
UsesLithium metasilicate is an inorganic compound that has a high resistance to heat and acid. It is used as an additive to zirconium oxide membranes, which are used in membrane separation processes. It has been shown to have a high transport capacity for water vapor and sodium carbonate. This property makes it suitable for use in the clinical setting where it has been shown to have biological properties and clinical relevance.
UsesTo calibrate thermoelements.
Upstream & downstream products
Upstream raw materials
Suppliers
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Related reactions
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Compound notes
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