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Sodium metasilicate

偏硅酸钠

Also known as: Disodium metasilicate, Sodium silicate, anhydrous, Metasilicic acid, sodium salt, Sodium metasilicate anhydrous

Sodium metasilicate (CAS 6834-92-0) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula Na2SiO3 and a molecular weight of 122.06300 g/mol. It is also known as Disodium metasilicate, Sodium silicate, anhydrous and Metasilicic acid, sodium salt. Key properties include a melting point of 1089°C and a density of 2.4. It is classified under GHS with signal word Danger and hazard statements H290, H314 — Causes severe skin burns and eye damage and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6834-92-0
Jingsj CID
J-89268-3
Molecular Formula
Na2SiO3
Chinese Name
偏硅酸钠
Molecular Weight
122.06300 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026

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Physicochemical Properties

Melting Point1089°C
Density2.4
Exact Mass121.94100
PSA63.19000

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H290
  • H314 — Causes severe skin burns and eye damage
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2839110000

Frequently Asked Questions

What is the CAS number of Sodium metasilicate?

The CAS number of Sodium metasilicate is 6834-92-0.

What are the molecular formula and molecular weight of Sodium metasilicate?

Sodium metasilicate has molecular formula Na2SiO3 and molecular weight 122.06300 g/mol.

Is Sodium metasilicate hazardous?

Sodium metasilicate has GHS signal word Danger and hazard statements H290; H314 — Causes severe skin burns and eye damage; H335 — May cause respiratory irritation.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Sodium metasilicate (CAS 6834-92-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-89268-3 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.