Sea sand, GR

Name: Sea sand, GR
Brand: Vaqora Chemicals
SKU: VQ-015323

About Sea sand, GR

Sea sand (CAS 7631-86-9) is a main-group metal compound offered by Vaqora Chemicals (AR grade). The compound has the formula O2Si, corresponding to a molecular weight of 60.08 g/mol. Its systematic (IUPAC) name is dioxosilane. Alternative names: Silicic anhydride and Diatomaceous silica.

In its supplied form it is a brown to beige powder. Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include materials research and chemical synthesis. It is used across academic and industrial research.

Vaqora Chemicals supplies Sea sand in 250 g, 500 g, 1 kg and 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Materials research
Chemical synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Sea sand, GR
Catalogue No.	VQ-015323
CAS Number	7631-86-9
IUPAC name	dioxosilane
Molecular formula	O₂Si
Molecular weight	60.08 g/mol
Exact mass	59.9668
Grade	AR
HSN code	25059000
InChIKey	VYPSYNLAJGMNEJ-UHFFFAOYSA-N
SMILES	O=[Si]=O
PubChem CID	24261

Physical properties
Physical form	Powder
Appearance	Brown to beige powder
H-bond donors / acceptors	0 / 2
TPSA	34.1 Å²
Synonyms	Silicic anhydride, Diatomaceous silica, Zorbax sil, Silica, amorphous, Silica, colloidal, Neosyl, colloidal silica, White carbon, Silicone dioxide, Vulkasil S, Snowtex O, Corasil II

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, 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 7631-86-9

Aerosil 200

CAS: 7631-86-9
Formula: O₂Si
MW: 60.08 g/mol

VQ-015086

Aluminosilicate mesostructured {Hexagonal MCM-41}

CAS: 7631-86-9
Formula: O₂Si
MW: 60.08 g/mol

VQ-015134

Sea sand

CAS: 7631-86-9
Formula: O₂Si
MW: 60.08 g/mol

VQ-015322

Silica gel granules, desiccant ~ 2 - 5 mm

CAS: 7631-86-9
Formula: O₂Si
MW: 60.08 g/mol

VQ-001696

Silica nanopowder, spec. surface area 175-225 m2/g (BET), 99.8%

CAS: 7631-86-9
Formula: O₂Si
MW: 60.08 g/mol

VQ-017509

Puriss

Silica, mesostructured SBA-15, 99%

CAS: 7631-86-9
Formula: O₂Si
MW: 60.08 g/mol

VQ-015330

Silicon oxide nanopowder (quartz) 99.95%

CAS: 7631-86-9
Formula: O₂Si
MW: 60.08 g/mol

VQ-017511

Silicon oxide nanopowder, APS 15 nm, 99.5%

CAS: 7631-86-9
Formula: O₂Si
MW: 60.08 g/mol

VQ-017512

All 11 products with CAS 7631-86-9 →

Frequently asked questions

What is the CAS number of Sea sand, GR?

The CAS Registry Number of Sea sand, GR is 7631-86-9. It is also known as Silicic anhydride, Diatomaceous silica, Zorbax sil.

What is the molecular formula and molecular weight of Sea sand, GR?

Sea sand, GR has the molecular formula O2Si and a molecular weight of 60.08 g/mol. Its IUPAC name is dioxosilane.

Which grade and pack sizes of Sea sand, GR can I order?

We supply Sea sand, GR in AR grade, in 250 g, 500 g, 1 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Sea sand, GR?

Yes. Every lot of Sea sand, GR 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 Sea sand, GR be shipped internationally?

Yes. Sea sand, GR 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.