Sodium metasilicate, pentahydrate, ≥95%

Name: Sodium metasilicate, pentahydrate, ≥95%
Brand: Vaqora Chemicals
SKU: VQ-014179

About Sodium metasilicate, pentahydrate, ≥95%

Sodium metasilicate, pentahydrate (CAS 6834-92-0) is an alkali metal compound offered by Vaqora Chemicals at a purity of 95%. Formula Na2O3Si, molecular weight 122.06 g/mol. Systematically, it is named disodium. Dioxido(oxo)silane. Alternative names: Disodium metasilicate and Disodium silicate.

The material typically appears as white to off-white powder or chunks. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include organic synthesis, catalysis, dyes and pigments manufacture and corrosion inhibition. Buyers come mainly from academic and industrial research.

We offer Sodium metasilicate, pentahydrate in 250 g, 1 kg, 5 kg and 25 kg packs with a batch-specific COA, and ship to customers worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Organic synthesis
Catalysis
Dyes & pigments manufacture
Corrosion inhibition
Water treatment

Industries

Specifications & identifiers

Chemical identifiers
Product name	Sodium metasilicate, pentahydrate, ≥95%
Catalogue No.	VQ-014179
CAS Number	6834-92-0
IUPAC name	disodium;dioxido(oxo)silane
Molecular formula	Na₂O₃Si
Molecular weight	122.06 g/mol
Exact mass	121.9412
Purity / assay	95%
HSN code	28391100
InChIKey	NTHWMYGWWRZVTN-UHFFFAOYSA-N
SMILES	[O-][Si](=O)[O-].[Na+].[Na+]
PubChem CID	23266

Physical properties
Physical form	Powder
Appearance	White to off-white powder or chunks
H-bond donors / acceptors	0 / 3
TPSA	63.2 Å²
Synonyms	Disodium metasilicate, Disodium silicate, Sodium silicate, Sodium silicon oxide, Sodium siliconate, Sodium sesquisilicate, Sodium silicate glass, Sodium water glass, Soluble glass, Silicic acid, sodium salt, Agrosil S, Agrosil LR

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H314Causes severe skin burns and eye damage
H335May cause respiratory irritation

Precautionary statements: P260, P261, P264, P271, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P319, P321, P363, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 6834-92-0

Sodium metasilicate (SiO2, 50-53%)

CAS: 6834-92-0
Formula: Na₂O₃Si
MW: 122.06 g/mol

VQ-014177

Frequently asked questions

What is the CAS number of Sodium metasilicate, pentahydrate, ≥95%?

The CAS Registry Number of Sodium metasilicate, pentahydrate, ≥95% is 6834-92-0. It is also known as Disodium metasilicate, Disodium silicate, Sodium silicate.

What is the molecular formula and molecular weight of Sodium metasilicate, pentahydrate, ≥95%?

Sodium metasilicate, pentahydrate, ≥95% has the molecular formula Na2O3Si and a molecular weight of 122.06 g/mol.

Which grade and pack sizes of Sodium metasilicate, pentahydrate, ≥95% can I order?

We supply Sodium metasilicate, pentahydrate, ≥95% in (95%) grade, in 250 g, 1 kg, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sodium metasilicate, pentahydrate, ≥95%?

Yes. Every lot of Sodium metasilicate, pentahydrate, ≥95% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Sodium metasilicate, pentahydrate, ≥95% be shipped internationally?

Yes. Sodium metasilicate, pentahydrate, ≥95% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.