Silicic acid, 99.9%

Name: Silicic acid, 99.9%
Brand: Vaqora Chemicals
SKU: VQ-015331

About Silicic acid, 99.9%

Silicic acid (CAS 1343-98-2) is a main-group metal compound offered by Vaqora Chemicals, specified at 99.9% purity. Its molecular formula is H4O4Si and its molecular weight is 96.11 g/mol. Common synonyms include Orthosilicic acid and Monosilicic acid.

It is supplied as a white powder. Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Key uses span fuels and lubricants and materials research. Typical end-use sectors are academic and industrial research.

Vaqora Chemicals supplies Silicic acid in 25 g, 100 g and 20 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Fuels & lubricants
Materials research

Industries

Specifications & identifiers

Chemical identifiers
Product name	Silicic acid, 99.9%
Catalogue No.	VQ-015331
CAS Number	1343-98-2
IUPAC name	silicic acid
Molecular formula	H₄O₄Si
Molecular weight	96.11 g/mol
Exact mass	95.9879
Purity / assay	99.9%
HSN code	2811
InChIKey	RMAQACBXLXPBSY-UHFFFAOYSA-N
SMILES	O[Si](O)(O)O
PubChem CID	14942

Physical properties
Physical form	Powder
Appearance	White powder
H-bond donors / acceptors	4 / 4
TPSA	80.9 Å²
Synonyms	Orthosilicic acid, Monosilicic acid, Silicon tetrahydroxide, Silicasol, Silicic acid (Si(OH)4), Silicic acid (ortho), silanetetrol, H4SiO4, Silicon hydroxide (Si(OH)4), (Si(OH)4), [Si(OH)4], Hydrate, Silica

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H335May cause respiratory irritation

Precautionary statements: P260, P261, P264, P264 + P265, P271, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, 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 1343-98-2

Silicic acid (narrow range below 325 mesh)

CAS: 1343-98-2
Formula: H₄O₄Si
MW: 96.11 g/mol

VQ-001704

Silicic acid, 100-200 mesh

CAS: 1343-98-2
Formula: H₄O₄Si
MW: 96.11 g/mol

VQ-001705

ACS / AR

Silicic acid, ACS, AR

CAS: 1343-98-2
Formula: H₄O₄Si
MW: 96.11 g/mol

VQ-046842

Silicic acid, precipitated dried

CAS: 1343-98-2
Formula: H₄O₄Si
MW: 96.11 g/mol

VQ-001706

Frequently asked questions

What is the CAS number of Silicic acid, 99.9%?

The CAS Registry Number of Silicic acid, 99.9% is 1343-98-2. It is also known as Orthosilicic acid, Monosilicic acid, Silicon tetrahydroxide.

What is the molecular formula and molecular weight of Silicic acid, 99.9%?

Silicic acid, 99.9% has the molecular formula H4O4Si and a molecular weight of 96.11 g/mol. Its IUPAC name is silicic acid.

Which grade and pack sizes of Silicic acid, 99.9% can I order?

We supply Silicic acid, 99.9% in (99.9%) grade, in 25 g, 100 g, 20 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Silicic acid, 99.9%?

Yes. Every lot of Silicic acid, 99.9% 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 Silicic acid, 99.9% be shipped internationally?

Yes. Silicic acid, 99.9% 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.