S

Sodium silicate

IUPAC: disodium;dioxido(oxo)silane

Na2SiO3 Inorganic Compounds CAS 1344-09-8
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Quick Reference
Formula / NotationNa2SiO3
CAS Number1344-09-8
Molecular Weight122.063
Melting Point1089 °C
Boiling PointBOILING POINT: 100 °C -6H20 /NONAHYDRATE/
Density1.1 to 1.7 at 68 °F (USCG, 1999)
SolubilityVERY SOL IN COLD & HOT WATER; SOLUBLE IN DILUTE SODIUM HYDROXIDE; INSOLUBLE IN ALCOHOL, ACIDS /NONAHYDRATE/
AppearanceSodium silicate appears as a powdered or flaked solid substance. Strong irritant to skin, eyes, and mucous membranes. May be toxic by ingestion. Concentrated aqueous solutions used as a glue.
Also Known Asdisodium;dioxido(oxo)silane; Waterglass; Sodium siliconate; Sodium sesquisilicate; Sodium silicate glass; Sodium water glass; Britesil; Carsil; Dryseq; Sikalon
CategoryInorganic Compounds

What is Sodium silicate?

Sodium silicate is an inorganic sodium salt having silicate as the counterion. It contains a silicate ion.

Formula & Notation

Na2SiO3

IUPAC Name: disodium;dioxido(oxo)silane

Other Names / Synonyms: disodium;dioxido(oxo)silane; Waterglass; Sodium siliconate; Sodium sesquisilicate; Sodium silicate glass; Sodium water glass; Britesil; Carsil; Dryseq; Sikalon

Properties & Characteristics

Appearance: Sodium silicate appears as a powdered or flaked solid substance. Strong irritant to skin, eyes, and mucous membranes. May be toxic by ingestion. Concentrated aqueous solutions used as a glue.. Molecular formula: Na2O3Si. Molecular weight: 122.063 g/mol. Boiling point: BOILING POINT: 100 °C -6H20 /NONAHYDRATE/. Melting point: 1089 °C. Density: 1.1 to 1.7 at 68 °F (USCG, 1999). Solubility: VERY SOL IN COLD & HOT WATER; SOLUBLE IN DILUTE SODIUM HYDROXIDE; INSOLUBLE IN ALCOHOL, ACIDS /NONAHYDRATE/.

Physical Data

PropertyValue
Melting Point1089 °C
Boiling PointBOILING POINT: 100 °C -6H20 /NONAHYDRATE/
Density1.1 to 1.7 at 68 °F (USCG, 1999)
Molecular Weight122.063
SolubilityVERY SOL IN COLD & HOT WATER; SOLUBLE IN DILUTE SODIUM HYDROXIDE; INSOLUBLE IN ALCOHOL, ACIDS /NONAHYDRATE/
AppearanceSodium silicate appears as a powdered or flaked solid substance. Strong irritant to skin, eyes, and mucous membranes. May be toxic by ingestion. Concentrated aqueous solutions used as a glue.

Uses & Applications

Used in industrial processes, materials science, semiconductor manufacture, ceramics, or as a catalyst.

Safety Information

May be corrosive, toxic, or an oxidising agent. Handle in well-ventilated area. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Sodium silicate
Formula Na2SiO3
CAS Number 1344-09-8
Molecular Weight 122.063
Category Inorganic Compounds
Index All "S" terms
Synonyms disodium;dioxido(oxo)silane; Waterglass; Sodium siliconate; Sodium sesquisilicate; Sodium silicate glass; Sodium water glass; Britesil; Carsil; Dryseq; Sikalon

Frequently Asked Questions

Sodium silicate is an inorganic sodium salt having silicate as the counterion. It contains a silicate ion.

More "S" Terms

S Orbital ψ(1s): spherical; n=1,l=0,ml=0; holds max 2e⁻ Saccharate Saccharic Saccharic Acid Saccharide Safranin C20H19ClN4 Safranine Salicylaldehyde Salicylate Salicylic acid C7H6O3 Salinometer Salt
View all "S" terms →
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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.

AllChemicals.info — The Online Chemical Glossary | https://allchemicals.info/chemical/sodium-silicate

For educational purposes only. Verify all information before use.