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1344-09-8 Usage


Sodium silicate, 2Na2OSiO2, is the simplest form of glass. It is found as lumps of greenish glass soluble in steam under pressure, white powders of varying degrees of solubility, or liquids cloudy or clear. It is noncombustible; however, when the powdered form is suspended in air, it could cause a dust explosion if an ignition source is present. Breathing the dust may also cause health problems. The glass form could also create a hazard to responders in an accident. It is not listed as a hazardous material in the DOT Hazardous Materials Tables. The primary uses are as catalysts, soaps, adhesives, water treatment, bleaching, waterproofing, and flame retardant.

Chemical Properties

Sodium silicate,NA2Si03 also known as a liquid glass, silicate of soda, sodium metasilicate, and soluble glass, is a grayish-white crystalline powder that has a melting point of 1088 °C (1990 °F). It is soluble in water and has strong detergent and emulsifying properties. Sodium silicate is used to fireproof textiles, insulate electric wire, protect wood and porous stone, grease proof paper containers, and as a catalyst in refining high-octane gasoline.


Different sources of media describe the Uses of 1344-09-8 differently. You can refer to the following data:
1. Lining Bessemer converters, acid concentrators. manufacture of grindstones, abrasive wheels (as binder only).
2. Sodium Silicate is a product used as a preservative for eggs.
3. Sodium silicate (Na2O) is known as “water glass” and is used in water treatment and in making soaps, detergents, adhesives, drilling fluids, bleaches.
4. Sodium silicate (Na2SiO3), better known as water glass, is one of the few silicon compounds that dissolves in water.It is used in the manufacture of soaps, adhesives, and food preservatives.


ChEBI: An inorganic sodium salt having silicate as the counterion.

Flammability and Explosibility


Industrial uses

Different sources of media describe the Industrial uses of 1344-09-8 differently. You can refer to the following data:
1. Sodium silicate (liquid silicate, metso or sodium silicate beads) has the general formula Na2SiO3. The liquid silicates (“O” and “N” brand) are clear, thick liquids, while silicate powder is a granular, white substance. Sodium silicate is a mixture of sodium or potassium salts. Sodium silicates are primarily used in mineral flotation practice.
2. Sodium silicate is widely used in mineral flotation as depressant, dispersant and as controlling agent of some soluble ions For example, sodium silicate interacts with calcium ions in solution forming nearly insoluble calcium silicate. For industrial and sulfatetype minerals (barite), sodium silicate is usually part of the reagent scheme. Sodium silicate is extensively used in base-metal flotation.

Purification Methods

Sodium silicate solution [1344-09-8] pK 1 9.51, pK 2 11.77 (for silicic acid, H4S i O4) Purify by contact filtration with activated charcoal.

Check Digit Verification of cas no

The CAS Registry Mumber 1344-09-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,3,4 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1344-09:
58 % 10 = 8
So 1344-09-8 is a valid CAS Registry Number.



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017


1.1 GHS Product identifier

Product name sodium silicate

1.2 Other means of identification

Product number -
Other names Sodium silicate

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:1344-09-8 SDS

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1344-09-8Downstream Products

1344-09-8Related news

Hydration effect of Sodium silicate (cas 1344-09-8) on cement slurry doped with xanthan08/30/2019

The effect of polyhydroxy xanthan on the corresponding hydration process of cement and regulation mechanism was discussed, then sodium silicate as coagulant was added into the xanthan-retarded cement paste and its accelerating mechanism for the retarding effect of xanthan was investigated. The r...detailed

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