Silicic acid, ACS, AR

Name: Silicic acid, ACS, AR
Brand: Vaqora Chemicals
SKU: VQ-046842

About Silicic acid, ACS, AR

Silicic acid is an adsorbent in ACS / AR grade carrying the CAS registry number 1343-98-2. With the molecular formula H4O4Si, it has a molar mass of 96.11 g/mol. It is also known as Orthosilicic acid or Monosilicic acid.

Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Typical applications include column chromatography, adsorption and purification and drying and decolourising. Buyers come mainly from academic and industrial research.

We offer Silicic acid in 250 g and 500 g packs with a batch-specific COA, and ship to customers worldwide. SDS and detailed specification sheets can be requested with your quotation. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Column chromatography
Adsorption & purification
Drying & decolourising

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Silicic acid, ACS, AR
Catalogue No.	VQ-046842
CAS Number	1343-98-2
IUPAC name	silicic acid
Molecular formula	H₄O₄Si
Molecular weight	96.11 g/mol
Exact mass	95.9879
Grade	ACS / AR
HSN code	28111990
InChIKey	RMAQACBXLXPBSY-UHFFFAOYSA-N
SMILES	O[Si](O)(O)O
PubChem CID	14942

Physical properties
Physical form	Other
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, Silicon hydroxide (Si(OH)4), (Si(OH)4), [Si(OH)4]

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

Silicic acid, 99.9%

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

VQ-015331

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, ACS, AR?

The CAS Registry Number of Silicic acid, ACS, AR 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, ACS, AR?

Silicic acid, ACS, AR 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, ACS, AR can I order?

We supply Silicic acid, ACS, AR in ACS / AR grade, in 250 g, 500 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Silicic acid, ACS, AR?

Yes. Every lot of Silicic acid, ACS, AR 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, ACS, AR be shipped internationally?

Yes. Silicic acid, ACS, AR 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.