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Sodium silicate

CAS 1344-09-8Na2O3SiMW 122.063

Sodium silicate (CAS 1344-09-8) — formula Na2O3Si, molecular weight 122.063; category inorganic chemicals.

Specifications

CAS Number1344-09-8
Molecular FormulaNa2O3Si
Molecular Weight122.063
Melting Point1089 °C
Boiling Point102 °C @760 [mm Hg]
CategoryInorganic Chemicals

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What this product is

Sodium silicate is an inorganic compound with CAS registry number 1344-09-8 and molecular formula Na2O3Si (molecular weight 122.063), belonging to the inorganic chemicals segment of chemical raw materials.

Identification

CAS number: 1344-09-8

Its molecular formula Na2O3Si comprises 2 Na, 3 O, 1 Si atoms.

Also known as: Sodium silicate · SODIUM META SILICATE

Category: inorganic chemicals

Frequently Asked Questions

What is the CAS number of Sodium silicate?

The CAS registry number of Sodium silicate is 1344-09-8.

What is the molecular formula and molecular weight of Sodium silicate?

Molecular formula Na2O3Si, molecular weight 122.063.

What other names is Sodium silicate known by?

It is also registered under: Sodium silicate, SODIUM META SILICATE.

Which category does Sodium silicate belong to?

Category: Inorganic Chemicals.

PubChem Public Data

Public-database records for Sodium silicate (CAS 1344-09-8), reproduced here for independent cross-checking.

Safety classification and hazard statements

GHS notification summary7.2% (290 / 4043)
Reported hazard statementsH314, H335, H290 (13.9%), H302 (24.1%), H315 (72.6%), H318 (61.5%), H319 (28%), H371

H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Regulatory listings

Regulatory & Food ContactFDA Substance added to food: Use unspecified
FDA Substance added to food: ANTICAKING AGENT OR FREE-FLOW AGENT, DRYING AGENT, HUMECTANT, PROCESSING AID
FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
CIR / INCI: Cosmetic ingredients (Sodium Metasilicate) -> CIR (Cosmetic Ingredient Review)
CIR / INCI: Cosmetic ingredients (Sodium Silicate) -> CIR (Cosmetic Ingredient Review)
CIR / INCI: Buffering; Anticorrosive; Chelating
GHS notification summary7.2% (290 / 4043)

Physical description and handling notes

  • 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.
  • Large Crystals; Liquid; Liquid; Dry Powder; Liquid; Liquid; Other Solid; Large Crystals; CBI; Dry Powder; Other Solid; Wet Solid
  • Liquid; Other Solid; Dry Powder; Liquid; Liquid; Dry Powder; Dry Powder; Gas Vapor; Liquid; CBI; Large Crystals
  • Deliquescent powder or flakes; [CAMEO] Amorphous lumps, aqueous solution, or spray-dried powder with approximately 20% residual water; [Reference #1]
  • White solid; [Hawley] Colorless to white hygroscopic solid; [ICSC] White odorless granules; [Alfa Aesar MSDS]
  • COLOURLESS 25-50% SODIUM SILICATE SOLUTION IN WATER.

Reported physical properties

沸点102 °C @760 [mm Hg]
熔点1089 °C
密度2.614
密度1.1 to 1.7 @ 15°C
蒸气压18 [mm Hg]

How this substance is indexed

CAS Registry Number1344-09-8
PubChem CID23266
分子式Na2O3Si
IUPAC 名称disodium;dioxido(oxo)silane
UNII（FDA）052612U92L

Documented uses

  • CIR ingredient: Sodium Metasilicate
  • CIR ingredient: Sodium Silicate
  • Steel Producing [Category: Industry]
  • Molding and Core Making [Category: Foundry]
  • Petroleum Production and Refining [Category: Industry]
  • Pulp and Paper Processing [Category: Industry]

Names this substance appears under

SODIUM SILICATE; Waterglass; Sodium siliconate; Sodium sesquisilicate; Sodium silicate glass; Sodium water glass; Britesil; Carsil; Dryseq; Sikalon; Silican; Soluble glass; Silicic acid, sodium salt; Agrosil S; Agrosil LR; Portil A

Computed molecular descriptors

分子量122.063
氢键供体数0
氢键受体数3
可旋转键数0
精确质量121.94120896
单同位素质量121.94120896
拓扑极性表面积63.2
重原子数6
形式电荷0
复杂度18.8

Database abstract

Sodium silicate · CAS 1344-09-8 · Na2O3Si. UNII 052612U92L. 沸点: 102 °C @760 [mm Hg]; 熔点: 1089 °C; 密度: 2.614.

Source: PubChem / Wikidata; the batch COA governs where values differ.

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