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CAS 13870-30-9

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Sodium silicate (Na2Si3O7)

Description:
Sodium silicate, with the chemical formula Na2Si3O7 and CAS number 13870-30-9, is an inorganic compound commonly known as water glass or liquid glass. It appears as a colorless, viscous liquid or a solid glassy substance, depending on its concentration and form. Sodium silicate is highly soluble in water, forming an alkaline solution that exhibits a pH typically above 11. This compound is characterized by its ability to act as a binder, adhesive, and sealant, making it valuable in various industrial applications, including construction, detergents, and paper manufacturing. It also serves as a corrosion inhibitor and is used in the production of silica gel. Sodium silicate can react with acids to form silicic acid and is known for its ability to form silicate minerals when combined with other materials. Additionally, it has applications in agriculture as a soil conditioner and in the textile industry for fabric treatment. Its versatility and chemical properties make it an important compound in both industrial and commercial settings.
Formula:Na·O·Si
InChI:InChI=1S/Na.O.Si
InChI key:InChIKey=GTDPZZZAGOEBQS-UHFFFAOYSA-N
SMILES:[O].[Na].[Si]
Synonyms:
  • Disodium trisilicate
  • Disodium trisilicate (Na<sub>2</sub>Si<sub>3</sub>O<sub>7</sub>)
  • Silicic acid (H<sub>2</sub>Si<sub>3</sub>O<sub>7</sub>), disodium salt
  • Silicon sodium oxide (Si3Na2O7)
  • Silicon sodium oxide (Si<sub>3</sub>Na<sub>2</sub>O<sub>7</sub>)
  • Sodium silicate (Na<sub>2</sub>Si<sub>3</sub>O<sub>7</sub>)
  • Sodium silicon oxide (Na<sub>2</sub>Si<sub>3</sub>O<sub>7</sub>)
  • Sodium trisilicate
  • Silicic acid (H2Si3O7), disodium salt
  • Sodium silicate (Na2Si3O7)
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